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。

  - drm/vgem-fence修复释放时可能发生的死锁。在 10 秒后自动过期 vgem 隔离的定时器现在会通过在 dma_fence_put() 上调用 fence->ops.release() 中的 timer_delete_sync() 进行释放。
    在某些情况下它可在不安全的 IRQ 环境中运行除非使用 TIMER_IRQSAFE。当将新 IGT 子测试 syncobj_timeline@stress-* 作为 dma-fence-chain selftest 中某些有问题的测试案例的用户空间替换时Intel DRM CI trybot BAT 在 bat-adlp-6 上运行中运行的一种场景中被证实是一个潜在存在风险的场景[1]。 [117.004338] ================================ [117.004340] 警告不一致的锁定状态 [117.004342] 6.17 .0-rc7-CI_DRM_17270-g7644974e648c+ #1 受感染GSU [117.004346] -------------------------------- [117.004347] {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} 用法不一致。 [117.004349] swapper/0/0 [HC1[1]:SC1[1]:HE0:SE0] take [117.004352] ffff888138f86aa8 ((&fence->timer)){?.-.}-{0:0} __timer_delete_sync+0x4b/0x190 [117.004361] {HARDIRQ-ON-W} 状态注册于 [117.004363] lock_acquire+0xc4/0x2e0 [117.004366] call_timer_fn+0x80/0x2a0 [117.004368]
    __run_timers+0x231/0x310 [117.004370] run_timer_softirq+0x76/0xe0 [117.004375117.004372] handle_softirqs+0xd4/0x4d0 [117.004377] __irq_exit_rcu+0x13f/0x160 [ [] ] irq_exit_rcu+0xe/0x20 [117.004379] sysvec_interupc/0x4d0 [117.004382] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [117.004385] cpuidle_enter_state+0x12b/0x8a0 [117.004388] cpuidle_enter+0x2e/0x50 [117.004393] call_cpuidle+0x22/0x60 [117.004395] do_idle+0x1fd/0x260117.004398] cpu_entryup +0x29/0x30 [117.004401] start_secondary+0x12d/0x160 [117.004404] common_startup_64+0x13e/0x141 [117.004407] irq 事件印记
    2282669 [117.004409] hardirqs last enabled at (2282668): [<ffffffff8289db71>]
    _raw_spin_unlock_irqrestore+0x51/0x80 [117.004414] hardirqs 最后禁用于 (2282669)
    [<ffffffff82882021>] sysvec_irq_work+0x11/0xc0 [117.004419] softirqs 上次启用的时间为 (2254702)
    [<ffffffff8289fd00>] __do_softirq+0x10/0x18 [117.004423] softirqs 上次禁用的时间为 (2254725)
    [<ffffffff813d4ddf>] __irq_exit_rcu+0x13f/0x160 [117.004426] 其他可帮助我们调试此问题的信息
    [117.004429] 可能不安全的锁定情况[117.004432] CPU0 [117.004433] ---- [117.004434] lock((&fence->timer)); [117.004436] <Interrupt> [117.004438] lock((&fence->timer)); [117.004440] *** DEADLOCK *** [117.004443] 1 个锁定由 swapper/0/0 保留[117.004445] #0ffffc90000003d50 ((&fence->timer)){?.-.}-{0:0}, atcall_timer_fn+0x7a/0x2a0 [117.004450] stack backtrace[117.004453] CPU: 0 UID: 0 PID: 0 Comm:swapper/0 TaintedGSU 6.17.0-rc7-CI_DRM_17270-g7644974e648c+ #1 PREEMPT( optional) [117.004455] 受感染[S]=CPU_OUT_OF_SPEC、[U]=USER [117.004455] 硬件名称Intel Corporation Alder Lake Client Platform/AlderLake-P DDR4 RVPBIOS RPLPFWI1。R00.4035。A00.2301200723 01/20/2023 [117.004456] 调用跟踪[117.004456] <IRQ> [117.004457] dump_stack_lvl+0x91/0xf0 [117.004460] dump_stack+0x10/0x20 [117.004461] print_usage_bug.part.0+ 0x260/0x360 [117.004463] mark_lock+0x76e/0x9c0 [117.004465] ? register_lock_class+0x48/0x4a0 [117.004467] __lock_acquire+0xbc3/0x2860 [117.004469] lock_acquire+0xc4/0x2e0 [117.004470] ? __timer_delete_sync+0x4b/0x190 [117.004472]
    __timer_delete_sync+0x4b/0x190 [117.004473] __timer_delete_sync+0x68/0x190 [117.004474] ?
    __timer_delete_sync+0x4b/0x190 [117.004475] timer_delete_sync+0x10/0x20 [117.004476] vgem_fence_release+0x19/0x30 [vgem] [117.004478] dma_fence_release+0xc1/0x3b0 [117.004480] ? dma_fence_release+0xa1/0x3b0 [117.004481] dma_fence_chain_release+0xe7/0x130 [117.004483] dma_fence_release+0xc1/0x3b0 [117.004484] ? _raw_spin_unlock_irqrestore+0x27/0x80 [117.004485] dma_fence_chain_irq_work+0x59/0x80 [117.004487] irq_work_single+0x75/0xa0 [117.004490] irq_work_r
    ---truncated--- (CVE-2025-68757)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

检测

Linux Distros 未修补的漏洞：CVE-2025-68757

medium Nessus 插件 ID 281766

版本 1.3