The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986583 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    MIPS: smp: fill in sibling and core maps earlier

    After enabling CONFIG_SCHED_CORE (landed during 5.14 cycle),     2-core 2-thread-per-core interAptiv (CPS-driven) started emitting     the following:

    [    0.025698] CPU1 revision is: 0001a120 (MIPS interAptiv (multi))     [    0.048183] ------------[ cut here ]------------     [    0.048187] WARNING: CPU: 1 PID: 0 at kernel/sched/core.c:6025 sched_core_cpu_starting+0x198/0x240     [    0.048220] Modules linked in:
    [    0.048233] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.17.0-rc3+ #35     b7b319f24073fd9a3c2aa7ad15fb7993eec0b26f     [    0.048247] Stack : 817f0000 00000004 327804c8 810eb050 00000000 00000004 00000000 c314fdd1     [    0.048278]         830cbd64 819c0000 81800000 817f0000 83070bf4 00000001 830cbd08 00000000     [    0.048307]         00000000 00000000 815fcbc4 00000000 00000000 00000000 00000000 00000000     [    0.048334]         00000000 00000000 00000000 00000000 817f0000 00000000 00000000 817f6f34     [    0.048361]         817f0000 818a3c00 817f0000 00000004 00000000 00000000 4dc33260 0018c933     [    0.048389]         ...
    [    0.048396] Call Trace:
    [    0.048399] [<8105a7bc>] show_stack+0x3c/0x140     [    0.048424] [<8131c2a0>] dump_stack_lvl+0x60/0x80     [    0.048440] [<8108b5c0>] __warn+0xc0/0xf4     [    0.048454] [<8108b658>] warn_slowpath_fmt+0x64/0x10c     [    0.048467] [<810bd418>] sched_core_cpu_starting+0x198/0x240     [    0.048483] [<810c6514>] sched_cpu_starting+0x14/0x80     [    0.048497] [<8108c0f8>] cpuhp_invoke_callback_range+0x78/0x140     [    0.048510] [<8108d914>] notify_cpu_starting+0x94/0x140     [    0.048523] [<8106593c>] start_secondary+0xbc/0x280     [    0.048539]     [    0.048543] ---[ end trace 0000000000000000 ]---     [    0.048636] Synchronize counters for CPU 1: done.

    ...for each but CPU 0/boot.
    Basic debug printks right before the mentioned line say:

    [    0.048170] CPU: 1, smt_mask:

    So smt_mask, which is sibling mask obviously, is empty when entering     the function.
    This is critical, as sched_core_cpu_starting() calculates     core-scheduling parameters only once per CPU start, and it's crucial     to have all the parameters filled in at that moment (at least it     uses cpu_smt_mask() which in fact is `&cpu_sibling_map[cpu]` on     MIPS).

    A bit of debugging led me to that set_cpu_sibling_map() performing     the actual map calculation, was being invocated after     notify_cpu_start(), and exactly the latter function starts CPU HP     callback round (sched_core_cpu_starting() is basically a CPU HP     callback).
    While the flow is same on ARM64 (maps after the notifier, although     before calling set_cpu_online()), x86 started calculating sibling     maps earlier than starting the CPU HP callbacks in Linux 4.14 (see     [0] for the reference). Neither me nor my brief tests couldn't find     any potential caveats in calculating the maps right after performing     delay calibration, but the WARN splat is now gone.
    The very same debug prints now yield exactly what I expected from     them:

    [    0.048433] CPU: 1, smt_mask: 0-1

    [0] https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/commit/?id=76ce7cfe35ef

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987259 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    MIPS: smp: fill in sibling and core maps earlier

    After enabling CONFIG_SCHED_CORE (landed during 5.14 cycle),     2-core 2-thread-per-core interAptiv (CPS-driven) started emitting     the following:

    [    0.025698] CPU1 revision is: 0001a120 (MIPS interAptiv (multi))     [    0.048183] ------------[ cut here ]------------     [    0.048187] WARNING: CPU: 1 PID: 0 at kernel/sched/core.c:6025 sched_core_cpu_starting+0x198/0x240     [    0.048220] Modules linked in:
    [    0.048233] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.17.0-rc3+ #35     b7b319f24073fd9a3c2aa7ad15fb7993eec0b26f     [    0.048247] Stack : 817f0000 00000004 327804c8 810eb050 00000000 00000004 00000000 c314fdd1     [    0.048278]         830cbd64 819c0000 81800000 817f0000 83070bf4 00000001 830cbd08 00000000     [    0.048307]         00000000 00000000 815fcbc4 00000000 00000000 00000000 00000000 00000000     [    0.048334]         00000000 00000000 00000000 00000000 817f0000 00000000 00000000 817f6f34     [    0.048361]         817f0000 818a3c00 817f0000 00000004 00000000 00000000 4dc33260 0018c933     [    0.048389]         ...
    [    0.048396] Call Trace:
    [    0.048399] [<8105a7bc>] show_stack+0x3c/0x140     [    0.048424] [<8131c2a0>] dump_stack_lvl+0x60/0x80     [    0.048440] [<8108b5c0>] __warn+0xc0/0xf4     [    0.048454] [<8108b658>] warn_slowpath_fmt+0x64/0x10c     [    0.048467] [<810bd418>] sched_core_cpu_starting+0x198/0x240     [    0.048483] [<810c6514>] sched_cpu_starting+0x14/0x80     [    0.048497] [<8108c0f8>] cpuhp_invoke_callback_range+0x78/0x140     [    0.048510] [<8108d914>] notify_cpu_starting+0x94/0x140     [    0.048523] [<8106593c>] start_secondary+0xbc/0x280     [    0.048539]     [    0.048543] ---[ end trace 0000000000000000 ]---     [    0.048636] Synchronize counters for CPU 1: done.

    ...for each but CPU 0/boot.
    Basic debug printks right before the mentioned line say:

    [    0.048170] CPU: 1, smt_mask:

    So smt_mask, which is sibling mask obviously, is empty when entering     the function.
    This is critical, as sched_core_cpu_starting() calculates     core-scheduling parameters only once per CPU start, and it's crucial     to have all the parameters filled in at that moment (at least it     uses cpu_smt_mask() which in fact is `&cpu_sibling_map[cpu]` on     MIPS).

    A bit of debugging led me to that set_cpu_sibling_map() performing     the actual map calculation, was being invocated after     notify_cpu_start(), and exactly the latter function starts CPU HP     callback round (sched_core_cpu_starting() is basically a CPU HP     callback).
    While the flow is same on ARM64 (maps after the notifier, although     before calling set_cpu_online()), x86 started calculating sibling     maps earlier than starting the CPU HP callbacks in Linux 4.14 (see     [0] for the reference). Neither me nor my brief tests couldn't find     any potential caveats in calculating the maps right after performing     delay calibration, but the WARN splat is now gone.
    The very same debug prints now yield exactly what I expected from     them:

    [    0.048433] CPU: 1, smt_mask: 0-1

    [0] https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/commit/?id=76ce7cfe35ef

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986455 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    MIPS: smp: fill in sibling and core maps earlier

    After enabling CONFIG_SCHED_CORE (landed during 5.14 cycle),     2-core 2-thread-per-core interAptiv (CPS-driven) started emitting     the following:

    [    0.025698] CPU1 revision is: 0001a120 (MIPS interAptiv (multi))     [    0.048183] ------------[ cut here ]------------     [    0.048187] WARNING: CPU: 1 PID: 0 at kernel/sched/core.c:6025 sched_core_cpu_starting+0x198/0x240     [    0.048220] Modules linked in:
    [    0.048233] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.17.0-rc3+ #35     b7b319f24073fd9a3c2aa7ad15fb7993eec0b26f     [    0.048247] Stack : 817f0000 00000004 327804c8 810eb050 00000000 00000004 00000000 c314fdd1     [    0.048278]         830cbd64 819c0000 81800000 817f0000 83070bf4 00000001 830cbd08 00000000     [    0.048307]         00000000 00000000 815fcbc4 00000000 00000000 00000000 00000000 00000000     [    0.048334]         00000000 00000000 00000000 00000000 817f0000 00000000 00000000 817f6f34     [    0.048361]         817f0000 818a3c00 817f0000 00000004 00000000 00000000 4dc33260 0018c933     [    0.048389]         ...
    [    0.048396] Call Trace:
    [    0.048399] [<8105a7bc>] show_stack+0x3c/0x140     [    0.048424] [<8131c2a0>] dump_stack_lvl+0x60/0x80     [    0.048440] [<8108b5c0>] __warn+0xc0/0xf4     [    0.048454] [<8108b658>] warn_slowpath_fmt+0x64/0x10c     [    0.048467] [<810bd418>] sched_core_cpu_starting+0x198/0x240     [    0.048483] [<810c6514>] sched_cpu_starting+0x14/0x80     [    0.048497] [<8108c0f8>] cpuhp_invoke_callback_range+0x78/0x140     [    0.048510] [<8108d914>] notify_cpu_starting+0x94/0x140     [    0.048523] [<8106593c>] start_secondary+0xbc/0x280     [    0.048539]     [    0.048543] ---[ end trace 0000000000000000 ]---     [    0.048636] Synchronize counters for CPU 1: done.

    ...for each but CPU 0/boot.
    Basic debug printks right before the mentioned line say:

    [    0.048170] CPU: 1, smt_mask:

    So smt_mask, which is sibling mask obviously, is empty when entering     the function.
    This is critical, as sched_core_cpu_starting() calculates     core-scheduling parameters only once per CPU start, and it's crucial     to have all the parameters filled in at that moment (at least it     uses cpu_smt_mask() which in fact is `&cpu_sibling_map[cpu]` on     MIPS).

    A bit of debugging led me to that set_cpu_sibling_map() performing     the actual map calculation, was being invocated after     notify_cpu_start(), and exactly the latter function starts CPU HP     callback round (sched_core_cpu_starting() is basically a CPU HP     callback).
    While the flow is same on ARM64 (maps after the notifier, although     before calling set_cpu_online()), x86 started calculating sibling     maps earlier than starting the CPU HP callbacks in Linux 4.14 (see     [0] for the reference). Neither me nor my brief tests couldn't find     any potential caveats in calculating the maps right after performing     delay calibration, but the WARN splat is now gone.
    The very same debug prints now yield exactly what I expected from     them:

    [    0.048433] CPU: 1, smt_mask: 0-1

    [0] https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/commit/?id=76ce7cfe35ef

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989909 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    MIPS: smp: fill in sibling and core maps earlier

    After enabling CONFIG_SCHED_CORE (landed during 5.14 cycle),     2-core 2-thread-per-core interAptiv (CPS-driven) started emitting     the following:

    [    0.025698] CPU1 revision is: 0001a120 (MIPS interAptiv (multi))     [    0.048183] ------------[ cut here ]------------     [    0.048187] WARNING: CPU: 1 PID: 0 at kernel/sched/core.c:6025 sched_core_cpu_starting+0x198/0x240     [    0.048220] Modules linked in:
    [    0.048233] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.17.0-rc3+ #35     b7b319f24073fd9a3c2aa7ad15fb7993eec0b26f     [    0.048247] Stack : 817f0000 00000004 327804c8 810eb050 00000000 00000004 00000000 c314fdd1     [    0.048278]         830cbd64 819c0000 81800000 817f0000 83070bf4 00000001 830cbd08 00000000     [    0.048307]         00000000 00000000 815fcbc4 00000000 00000000 00000000 00000000 00000000     [    0.048334]         00000000 00000000 00000000 00000000 817f0000 00000000 00000000 817f6f34     [    0.048361]         817f0000 818a3c00 817f0000 00000004 00000000 00000000 4dc33260 0018c933     [    0.048389]         ...
    [    0.048396] Call Trace:
    [    0.048399] [<8105a7bc>] show_stack+0x3c/0x140     [    0.048424] [<8131c2a0>] dump_stack_lvl+0x60/0x80     [    0.048440] [<8108b5c0>] __warn+0xc0/0xf4     [    0.048454] [<8108b658>] warn_slowpath_fmt+0x64/0x10c     [    0.048467] [<810bd418>] sched_core_cpu_starting+0x198/0x240     [    0.048483] [<810c6514>] sched_cpu_starting+0x14/0x80     [    0.048497] [<8108c0f8>] cpuhp_invoke_callback_range+0x78/0x140     [    0.048510] [<8108d914>] notify_cpu_starting+0x94/0x140     [    0.048523] [<8106593c>] start_secondary+0xbc/0x280     [    0.048539]     [    0.048543] ---[ end trace 0000000000000000 ]---     [    0.048636] Synchronize counters for CPU 1: done.

    ...for each but CPU 0/boot.
    Basic debug printks right before the mentioned line say:

    [    0.048170] CPU: 1, smt_mask:

    So smt_mask, which is sibling mask obviously, is empty when entering     the function.
    This is critical, as sched_core_cpu_starting() calculates     core-scheduling parameters only once per CPU start, and it's crucial     to have all the parameters filled in at that moment (at least it     uses cpu_smt_mask() which in fact is `&cpu_sibling_map[cpu]` on     MIPS).

    A bit of debugging led me to that set_cpu_sibling_map() performing     the actual map calculation, was being invocated after     notify_cpu_start(), and exactly the latter function starts CPU HP     callback round (sched_core_cpu_starting() is basically a CPU HP     callback).
    While the flow is same on ARM64 (maps after the notifier, although     before calling set_cpu_online()), x86 started calculating sibling     maps earlier than starting the CPU HP callbacks in Linux 4.14 (see     [0] for the reference). Neither me nor my brief tests couldn't find     any potential caveats in calculating the maps right after performing     delay calibration, but the WARN splat is now gone.
    The very same debug prints now yield exactly what I expected from     them:

    [    0.048433] CPU: 1, smt_mask: 0-1

    [0] https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/commit/?id=76ce7cfe35ef

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In the Linux kernel, the following vulnerability has been resolved: MIPS: smp: fill in sibling and core     maps earlier After enabling CONFIG_SCHED_CORE (landed during 5.14 cycle), 2-core 2-thread-per-core     interAptiv (CPS-driven) started emitting the following: [ 0.025698] CPU1 revision is: 0001a120 (MIPS     interAptiv (multi)) [ 0.048183] ------------[ cut here ]------------ [ 0.048187] WARNING: CPU: 1 PID: 0 at     kernel/sched/core.c:6025 sched_core_cpu_starting+0x198/0x240 [ 0.048220] Modules linked in: [ 0.048233]     CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.17.0-rc3+ #35 b7b319f24073fd9a3c2aa7ad15fb7993eec0b26f [     0.048247] Stack : 817f0000 00000004 327804c8 810eb050 00000000 00000004 00000000 c314fdd1 [ 0.048278]     830cbd64 819c0000 81800000 817f0000 83070bf4 00000001 830cbd08 00000000 [ 0.048307] 00000000 00000000     815fcbc4 00000000 00000000 00000000 00000000 00000000 [ 0.048334] 00000000 00000000 00000000 00000000     817f0000 00000000 00000000 817f6f34 [ 0.048361] 817f0000 818a3c00 817f0000 00000004 00000000 00000000     4dc33260 0018c933 [ 0.048389] ... [ 0.048396] Call Trace: [ 0.048399] [<8105a7bc>] show_stack+0x3c/0x140 [     0.048424] [<8131c2a0>] dump_stack_lvl+0x60/0x80 [ 0.048440] [<8108b5c0>] __warn+0xc0/0xf4 [ 0.048454]     [<8108b658>] warn_slowpath_fmt+0x64/0x10c [ 0.048467] [<810bd418>] sched_core_cpu_starting+0x198/0x240 [     0.048483] [<810c6514>] sched_cpu_starting+0x14/0x80 [ 0.048497] [<8108c0f8>]     cpuhp_invoke_callback_range+0x78/0x140 [ 0.048510] [<8108d914>] notify_cpu_starting+0x94/0x140 [ 0.048523]     [<8106593c>] start_secondary+0xbc/0x280 [ 0.048539] [ 0.048543] ---[ end trace 0000000000000000 ]--- [     0.048636] Synchronize counters for CPU 1: done. ...for each but CPU 0/boot. Basic debug printks right     before the mentioned line say: [ 0.048170] CPU: 1, smt_mask: So smt_mask, which is sibling mask obviously,     is empty when entering the function. This is critical, as sched_core_cpu_starting() calculates core-     scheduling parameters only once per CPU start, and it's crucial to have all the parameters filled in at     that moment (at least it uses cpu_smt_mask() which in fact is `&cpu_sibling_map[cpu]` on MIPS). A bit of     debugging led me to that set_cpu_sibling_map() performing the actual map calculation, was being invocated     after notify_cpu_start(), and exactly the latter function starts CPU HP callback round     (sched_core_cpu_starting() is basically a CPU HP callback). While the flow is same on ARM64 (maps after     the notifier, although before calling set_cpu_online()), x86 started calculating sibling maps earlier than     starting the CPU HP callbacks in Linux 4.14 (see [0] for the reference). Neither me nor my brief tests     couldn't find any potential caveats in calculating the maps right after performing delay calibration, but     the WARN splat is now gone. The very same debug prints now yield exactly what I expected from them: [     0.048433] CPU: 1, smt_mask: 0-1 [0]     https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/commit/?id=76ce7cfe35ef (CVE-2022-48845)

Note that Nessus relies on the presence of the package as reported by the vendor.

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - Linux カーネルでは、以下の脆弱性が解決されています: MIPS: smp: fill in sibling and core maps earlier After enabling CONFIG_SCHED_CORE (landed during 5.14 cycle), 2-core 2-thread-per-core interAptiv (CPS-driven) started emitting the following: [ 0.025698] CPU1 revision is: 0001a120 (MIPS interAptiv (multi)) [ 0.048183] ------------[ cut here ]------------ [ 0.048187] WARNING: CPU: 1 PID: 0 at kernel/sched/core.c:6025 sched_core_cpu_starting+0x198/0x240 [ 0.048220] Modules linked in: [ 0.048233] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.17.0-rc3+ #35 b7b319f24073fd9a3c2aa7ad15fb7993eec0b26f [0.048247] Stack : 817f0000 00000004 327804c8 810eb050 00000000 00000004 00000000 c314fdd1 [ 0.048278] 830cbd64 819c0000 81800000 817f0000 83070bf4 00000001 830cbd08 00000000 [ 0.048307] 00000000 00000000 815fcbc4 00000000 00000000 00000000 00000000 00000000 [ 0.048334] 00000000 00000000 00000000 00000000 817f0000 00000000 00000000 817f6f34 [ 0.048361] 817f0000 818a3c00 817f0000 00000004 00000000 00000000 4dc33260 0018c933 [ 0.048389] ... [ 0.048396] Call Trace: [ 0.048399] [<8105a7bc>] show_stack+0x3c/0x140 [0.048424] [<8131c2a0>] dump_stack_lvl+0x60/0x80 [ 0.048440] [<8108b5c0>] __warn+0xc0/0xf4 [ 0.048454] [<8108b658>] warn_slowpath_fmt+0x64/0x10c [ 0.048467] [<810bd418>] sched_core_cpu_starting+0x198/0x240 [0.048483] [<810c6514>] sched_cpu_starting+0x14/0x80 [ 0.048497] [<8108c0f8>] cpuhp_invoke_callback_range+0x78/0x140 [ 0.048510] [<8108d914>] notify_cpu_starting+0x94/0x140 [ 0.048523] [<8106593c>] start_secondary+0xbc/0x280 [ 0.048539] [ 0.048543] ---[ end trace 0000000000000000 ]--- [0.048636] Synchronize counters for CPU 1: done. ...for each but CPU 0/boot. Basic debug printks right before the mentioned line say: [ 0.048170] CPU: 1, smt_mask: So smt_mask, which is sibling mask obviously, is empty when entering the function. This is critical, as sched_core_cpu_starting() calculates core-scheduling parameters only once per CPU start, and it's crucial to have all the parameters filled in at that moment (at least it uses cpu_smt_mask() which in fact is `&cpu_sibling_map[cpu]` on MIPS). A bit of debugging led me to that set_cpu_sibling_map() performing the actual map calculation, was being invocated after notify_cpu_start(), and exactly the latter function starts CPU HP callback round (sched_core_cpu_starting() is basically a CPU HP callback). While the flow is same on ARM64 (maps after the notifier, although before calling set_cpu_online()), x86 started calculating sibling maps earlier than starting the CPU HP callbacks in Linux 4.14 (see [0] for the reference). Neither me nor my brief tests couldn't find any potential caveats in calculating the maps right after performing delay calibration, but the WARN splat is now gone. The very same debug prints now yield exactly what I expected from them: [0.048433] CPU: 1, smt_mask: 0-1 [0] https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/commit/?id=76ce7cfe35ef (CVE-2022-48845)

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - 已解決 Linux 核心中的下列弱點：MIPS: smp: fill in sibling and core maps earlier After enabling CONFIG_SCHED_CORE (landed during 5.14 cycle), 2-core 2-thread-per-core interAptiv (CPS-driven) started emitting the following: [ 0.025698] CPU1 revision is: 0001a120 (MIPS interAptiv (multi)) [ 0.048183] ------------[ cut here ]------------ [ 0.048187] WARNING: CPU: 1 PID: 0 at kernel/sched/core.c:6025 sched_core_cpu_starting+0x198/0x240 [ 0.048220] Modules linked in: [ 0.048233] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.17.0-rc3+ #35 b7b319f24073fd9a3c2aa7ad15fb7993eec0b26f [0.048247] Stack : 817f0000 00000004 327804c8 810eb050 00000000 00000004 00000000 c314fdd1 [ 0.048278] 830cbd64 819c0000 81800000 817f0000 83070bf4 00000001 830cbd08 00000000 [ 0.048307] 00000000 00000000 815fcbc4 00000000 00000000 00000000 00000000 00000000 [ 0.048334] 00000000 00000000 00000000 00000000 817f0000 00000000 00000000 817f6f34 [ 0.048361] 817f0000 818a3c00 817f0000 00000004 00000000 00000000 4dc33260 0018c933 [ 0.048389] ... [ 0.048396] Call Trace: [ 0.048399] [<8105a7bc>] show_stack+0x3c/0x140 [0.048424] [<8131c2a0>] dump_stack_lvl+0x60/0x80 [ 0.048440] [<8108b5c0>] __warn+0xc0/0xf4 [ 0.048454] [<8108b658>] warn_slowpath_fmt+0x64/0x10c [ 0.048467] [<810bd418>] sched_core_cpu_starting+0x198/0x240 [0.048483] [<810c6514>] sched_cpu_starting+0x14/0x80 [ 0.048497] [<8108c0f8>] cpuhp_invoke_callback_range+0x78/0x140 [ 0.048510] [<8108d914>] notify_cpu_starting+0x94/0x140 [ 0.048523] [<8106593c>] start_secondary+0xbc/0x280 [ 0.048539] [ 0.048543] ---[ end trace 0000000000000000 ]--- [0.048636] Synchronize counters for CPU 1: done. ...for each but CPU 0/boot. Basic debug printks right before the mentioned line say: [ 0.048170] CPU: 1, smt_mask: So smt_mask, which is sibling mask obviously, is empty when entering the function. This is critical, as sched_core_cpu_starting() calculates core-scheduling parameters only once per CPU start, and it's crucial to have all the parameters filled in at that moment (at least it uses cpu_smt_mask() which in fact is `&cpu_sibling_map[cpu]` on MIPS). A bit of debugging led me to that set_cpu_sibling_map() performing the actual map calculation, was being invocated after notify_cpu_start(), and exactly the latter function starts CPU HP callback round (sched_core_cpu_starting() is basically a CPU HP callback). While the flow is same on ARM64 (maps after the notifier, although before calling set_cpu_online()), x86 started calculating sibling maps earlier than starting the CPU HP callbacks in Linux 4.14 (see [0] for the reference). Neither me nor my brief tests couldn't find any potential caveats in calculating the maps right after performing delay calibration, but the WARN splat is now gone. The very same debug prints now yield exactly what I expected from them: [0.048433] CPU: 1, smt_mask: 0-1 [0] https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/commit/?id=76ce7cfe35ef (CVE-2022-48845)

請注意，Nessus 依賴供應商報告的套件存在。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - 已修复 Linux 内核中的下列漏洞：MIPS: smp: fill in sibling and core maps earlier After enabling CONFIG_SCHED_CORE (landed during 5.14 cycle), 2-core 2-thread-per-core interAptiv (CPS-driven) started emitting the following: [ 0.025698] CPU1 revision is: 0001a120 (MIPS interAptiv (multi)) [ 0.048183] ------------[ cut here ]------------ [ 0.048187] WARNING: CPU: 1 PID: 0 at kernel/sched/core.c:6025 sched_core_cpu_starting+0x198/0x240 [ 0.048220] Modules linked in: [ 0.048233] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.17.0-rc3+ #35 b7b319f24073fd9a3c2aa7ad15fb7993eec0b26f [0.048247] Stack : 817f0000 00000004 327804c8 810eb050 00000000 00000004 00000000 c314fdd1 [ 0.048278] 830cbd64 819c0000 81800000 817f0000 83070bf4 00000001 830cbd08 00000000 [ 0.048307] 00000000 00000000 815fcbc4 00000000 00000000 00000000 00000000 00000000 [ 0.048334] 00000000 00000000 00000000 00000000 817f0000 00000000 00000000 817f6f34 [ 0.048361] 817f0000 818a3c00 817f0000 00000004 00000000 00000000 4dc33260 0018c933 [ 0.048389] ... [ 0.048396] Call Trace: [ 0.048399] [<8105a7bc>] show_stack+0x3c/0x140 [0.048424] [<8131c2a0>] dump_stack_lvl+0x60/0x80 [ 0.048440] [<8108b5c0>] __warn+0xc0/0xf4 [ 0.048454] [<8108b658>] warn_slowpath_fmt+0x64/0x10c [ 0.048467] [<810bd418>] sched_core_cpu_starting+0x198/0x240 [0.048483] [<810c6514>] sched_cpu_starting+0x14/0x80 [ 0.048497] [<8108c0f8>] cpuhp_invoke_callback_range+0x78/0x140 [ 0.048510] [<8108d914>] notify_cpu_starting+0x94/0x140 [ 0.048523] [<8106593c>] start_secondary+0xbc/0x280 [ 0.048539] [ 0.048543] ---[ end trace 0000000000000000 ]--- [0.048636] Synchronize counters for CPU 1: done. ...for each but CPU 0/boot. Basic debug printks right before the mentioned line say: [ 0.048170] CPU: 1, smt_mask: So smt_mask, which is sibling mask obviously, is empty when entering the function. This is critical, as sched_core_cpu_starting() calculates core-scheduling parameters only once per CPU start, and it's crucial to have all the parameters filled in at that moment (at least it uses cpu_smt_mask() which in fact is `&cpu_sibling_map[cpu]` on MIPS). A bit of debugging led me to that set_cpu_sibling_map() performing the actual map calculation, was being invocated after notify_cpu_start(), and exactly the latter function starts CPU HP callback round (sched_core_cpu_starting() is basically a CPU HP callback). While the flow is same on ARM64 (maps after the notifier, although before calling set_cpu_online()), x86 started calculating sibling maps earlier than starting the CPU HP callbacks in Linux 4.14 (see [0] for the reference). Neither me nor my brief tests couldn't find any potential caveats in calculating the maps right after performing delay calibration, but the WARN splat is now gone. The very same debug prints now yield exactly what I expected from them: [0.048433] CPU: 1, smt_mask: 0-1 [0] https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/commit/?id=76ce7cfe35ef (CVE-2022-48845)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
267985	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986583)	Nessus	Unity Linux Local Security Checks	2025/10/7	2025/10/15	medium
268221	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987259)	Nessus	Unity Linux Local Security Checks	2025/10/7	2025/10/15	medium
268330	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986455)	Nessus	Unity Linux Local Security Checks	2025/10/7	2025/10/15	medium
273616	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989909)	Nessus	Unity Linux Local Security Checks	2025/11/5	2025/11/5	medium
247015	Linux Distros Unpatched Vulnerability : CVE-2022-48845	Nessus	Misc.	2025/8/9	2025/10/28	medium
247015	Linux Distros のパッチ未適用の脆弱性: CVE-2022-48845	Nessus	Misc.	2025/8/9	2025/10/28	medium
247015	Linux Distros 未修補的弱點：CVE-2022-48845	Nessus	Misc.	2025/8/9	2025/10/28	medium
247015	Linux Distros 未修补的漏洞：CVE-2022-48845	Nessus	Misc.	2025/8/9	2025/10/28	medium

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