The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989053 advisory.

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

    f2fs: quota: fix loop condition at f2fs_quota_sync()

    cnt should be passed to sb_has_quota_active() instead of type to check     active quota properly.

    Moreover, when the type is -1, the compiler with enough inline knowledge     can discard sb_has_quota_active() check altogether, causing a NULL pointer     dereference at the following inode_lock(dqopt->files[cnt]):

    [    2.796010] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a0     [    2.796024] Mem abort info:
    [    2.796025]   ESR = 0x96000005     [    2.796028]   EC = 0x25: DABT (current EL), IL = 32 bits     [    2.796029]   SET = 0, FnV = 0     [    2.796031]   EA = 0, S1PTW = 0     [    2.796032] Data abort info:
    [    2.796034]   ISV = 0, ISS = 0x00000005     [    2.796035]   CM = 0, WnR = 0     [    2.796046] user pgtable: 4k pages, 39-bit VAs, pgdp=00000003370d1000     [    2.796048] [00000000000000a0] pgd=0000000000000000, pud=0000000000000000     [    2.796051] Internal error: Oops: 96000005 [#1] PREEMPT SMP     [    2.796056] CPU: 7 PID: 640 Comm: f2fs_ckpt-259:7 Tainted: G S     5.4.179-arter97-r8-64666-g2f16e087f9d8 #1     [    2.796057] Hardware name: Qualcomm Technologies, Inc. Lahaina MTP lemonadep (DT)     [    2.796059] pstate: 80c00005 (Nzcv daif +PAN +UAO)     [    2.796065] pc : down_write+0x28/0x70     [    2.796070] lr : f2fs_quota_sync+0x100/0x294     [    2.796071] sp : ffffffa3f48ffc30     [    2.796073] x29: ffffffa3f48ffc30 x28: 0000000000000000     [    2.796075] x27: ffffffa3f6d718b8 x26: ffffffa415fe9d80     [    2.796077] x25: ffffffa3f7290048 x24: 0000000000000001     [    2.796078] x23: 0000000000000000 x22: ffffffa3f7290000     [    2.796080] x21: ffffffa3f72904a0 x20: ffffffa3f7290110     [    2.796081] x19: ffffffa3f77a9800 x18: ffffffc020aae038     [    2.796083] x17: ffffffa40e38e040 x16: ffffffa40e38e6d0     [    2.796085] x15: ffffffa40e38e6cc x14: ffffffa40e38e6d0     [    2.796086] x13: 00000000000004f6 x12: 00162c44ff493000     [    2.796088] x11: 0000000000000400 x10: ffffffa40e38c948     [    2.796090] x9 : 0000000000000000 x8 : 00000000000000a0     [    2.796091] x7 : 0000000000000000 x6 : 0000d1060f00002a     [    2.796093] x5 : ffffffa3f48ff718 x4 : 000000000000000d     [    2.796094] x3 : 00000000060c0000 x2 : 0000000000000001     [    2.796096] x1 : 0000000000000000 x0 : 00000000000000a0     [    2.796098] Call trace:
    [    2.796100]  down_write+0x28/0x70     [    2.796102]  f2fs_quota_sync+0x100/0x294     [    2.796104]  block_operations+0x120/0x204     [    2.796106]  f2fs_write_checkpoint+0x11c/0x520     [    2.796107]  __checkpoint_and_complete_reqs+0x7c/0xd34     [    2.796109]  issue_checkpoint_thread+0x6c/0xb8     [    2.796112]  kthread+0x138/0x414     [    2.796114]  ret_from_fork+0x10/0x18     [    2.796117] Code: aa0803e0 aa1f03e1 52800022 aa0103e9 (c8e97d02)     [    2.796120] ---[ end trace 96e942e8eb6a0b53 ]---     [    2.800116] Kernel panic - not syncing: Fatal exception     [    2.800120] SMP: stopping secondary CPUs

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.

An update of the linux package has been released.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987582 advisory.

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

    f2fs: quota: fix loop condition at f2fs_quota_sync()

    cnt should be passed to sb_has_quota_active() instead of type to check     active quota properly.

    Moreover, when the type is -1, the compiler with enough inline knowledge     can discard sb_has_quota_active() check altogether, causing a NULL pointer     dereference at the following inode_lock(dqopt->files[cnt]):

    [    2.796010] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a0     [    2.796024] Mem abort info:
    [    2.796025]   ESR = 0x96000005     [    2.796028]   EC = 0x25: DABT (current EL), IL = 32 bits     [    2.796029]   SET = 0, FnV = 0     [    2.796031]   EA = 0, S1PTW = 0     [    2.796032] Data abort info:
    [    2.796034]   ISV = 0, ISS = 0x00000005     [    2.796035]   CM = 0, WnR = 0     [    2.796046] user pgtable: 4k pages, 39-bit VAs, pgdp=00000003370d1000     [    2.796048] [00000000000000a0] pgd=0000000000000000, pud=0000000000000000     [    2.796051] Internal error: Oops: 96000005 [#1] PREEMPT SMP     [    2.796056] CPU: 7 PID: 640 Comm: f2fs_ckpt-259:7 Tainted: G S     5.4.179-arter97-r8-64666-g2f16e087f9d8 #1     [    2.796057] Hardware name: Qualcomm Technologies, Inc. Lahaina MTP lemonadep (DT)     [    2.796059] pstate: 80c00005 (Nzcv daif +PAN +UAO)     [    2.796065] pc : down_write+0x28/0x70     [    2.796070] lr : f2fs_quota_sync+0x100/0x294     [    2.796071] sp : ffffffa3f48ffc30     [    2.796073] x29: ffffffa3f48ffc30 x28: 0000000000000000     [    2.796075] x27: ffffffa3f6d718b8 x26: ffffffa415fe9d80     [    2.796077] x25: ffffffa3f7290048 x24: 0000000000000001     [    2.796078] x23: 0000000000000000 x22: ffffffa3f7290000     [    2.796080] x21: ffffffa3f72904a0 x20: ffffffa3f7290110     [    2.796081] x19: ffffffa3f77a9800 x18: ffffffc020aae038     [    2.796083] x17: ffffffa40e38e040 x16: ffffffa40e38e6d0     [    2.796085] x15: ffffffa40e38e6cc x14: ffffffa40e38e6d0     [    2.796086] x13: 00000000000004f6 x12: 00162c44ff493000     [    2.796088] x11: 0000000000000400 x10: ffffffa40e38c948     [    2.796090] x9 : 0000000000000000 x8 : 00000000000000a0     [    2.796091] x7 : 0000000000000000 x6 : 0000d1060f00002a     [    2.796093] x5 : ffffffa3f48ff718 x4 : 000000000000000d     [    2.796094] x3 : 00000000060c0000 x2 : 0000000000000001     [    2.796096] x1 : 0000000000000000 x0 : 00000000000000a0     [    2.796098] Call trace:
    [    2.796100]  down_write+0x28/0x70     [    2.796102]  f2fs_quota_sync+0x100/0x294     [    2.796104]  block_operations+0x120/0x204     [    2.796106]  f2fs_write_checkpoint+0x11c/0x520     [    2.796107]  __checkpoint_and_complete_reqs+0x7c/0xd34     [    2.796109]  issue_checkpoint_thread+0x6c/0xb8     [    2.796112]  kthread+0x138/0x414     [    2.796114]  ret_from_fork+0x10/0x18     [    2.796117] Code: aa0803e0 aa1f03e1 52800022 aa0103e9 (c8e97d02)     [    2.796120] ---[ end trace 96e942e8eb6a0b53 ]---     [    2.800116] Kernel panic - not syncing: Fatal exception     [    2.800120] SMP: stopping secondary CPUs

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
272861	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989053)	Nessus	Unity Linux Local Security Checks	2025/11/5	2025/11/5	medium
151965	Photon OS 4.0: Linux PHSA-2021-4.0-0065	Nessus	PhotonOS Local Security Checks	2021/7/22	2026/3/23	high
271071	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987582)	Nessus	Unity Linux Local Security Checks	2025/10/21	2025/10/21	medium

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