CVE-2026-68233

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Shut down BO cache timer before teardown The BO cache timer callback schedules timework, and timework can rearm the timer through vc4bocachefreeold. vc4bocachedestroy deletes the timer and then cancels the work, which do...

UBUNTU-CVE-2026-68198

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: fix use-after-free in aggrresetstate The aggrresetstate function uses timerdelete non-synchronous for the aggregation timer before proceeding to delete TID state and before the structure is freed by callers like...

UBUNTU-CVE-2026-68201

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: drain a slave's callback before its master detaches it sndtimercloselocked drains the closing instance's own in-flight callback IFLGCALLBACK before freeing it, but not its slaves'. When a master instance is closed,...

CVE-2026-68198

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: fix use-after-free in aggrresetstate The aggrresetstate function uses timerdelete non-synchronous for the aggregation timer before proceeding to delete TID state and before the structure is freed by callers like...

CVE-2026-68202

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri. snduselocksync then drains borrowers, and sndseqtimerdelete frees q-timer. A...

UBUNTU-CVE-2026-68202

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri. snduselocksync then drains borrowers, and sndseqtimerdelete frees q-timer. A...

CVE-2026-68129

In the Linux kernel, the following vulnerability has been resolved: gve: fix Rx queue stall on alloc failure When the system is under extreme memory pressure, page allocations can fail during the Rx buffer refill loop. If the number of buffers posted to hardware falls below a critical low thresho...

CVE-2026-68129

In the Linux kernel, the following vulnerability has been resolved: gve: fix Rx queue stall on alloc failure When the system is under extreme memory pressure, page allocations can fail during the Rx buffer refill loop. If the number of buffers posted to hardware falls below a critical low thresho...

CVE-2026-68090

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Plug race against a concurrent OOM disable syzbot reported a puzzling splat: WARNING: kernel/time/hrtimer.c:443 at stubtimer+0xa/0x20 stubtimer is installed as timer callback function in hrtimerfixupassertinit, whic...

CVE-2026-68090

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Plug race against a concurrent OOM disable syzbot reported a puzzling splat: WARNING: kernel/time/hrtimer.c:443 at stubtimer+0xa/0x20 stubtimer is installed as timer callback function in hrtimerfixupassertinit, whic...

UBUNTU-CVE-2026-68090

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Plug race against a concurrent OOM disable syzbot reported a puzzling splat: WARNING: kernel/time/hrtimer.c:443 at stubtimer+0xa/0x20 stubtimer is installed as timer callback function in hrtimerfixupassertinit, whic...

EUVD-2026-55334

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Shut down BO cache timer before teardown The BO cache timer callback schedules timework, and timework can rearm the timer through vc4bocachefreeold. vc4bocachedestroy deletes the timer and then cancels the work, which do...

CVE-2026-68233 drm/vc4: Shut down BO cache timer before teardown

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Shut down BO cache timer before teardown The BO cache timer callback schedules timework, and timework can rearm the timer through vc4bocachefreeold. vc4bocachedestroy deletes the timer and then cancels the work, which do...

CVE-2026-68233 drm/vc4: Shut down BO cache timer before teardown

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Shut down BO cache timer before teardown The BO cache timer callback schedules timework, and timework can rearm the timer through vc4bocachefreeold. vc4bocachedestroy deletes the timer and then cancels the work, which do...

CVE-2026-68233

In the Linux kernel DRM/VC4 subsystem, CVE-2026-68233 addresses a use-after-free-like race where a timer callback (BO cache timer) can be rearmed by time_work during teardown. vc4_bo_cache_destroy() deletes the timer and cancels the work, but the cancelled work can rearm the timer and queue work ...

CVE-2026-68202 ALSA: seq: close a re-opened queue timer in the destructor

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri. snduselocksync then drains borrowers, and sndseqtimerdelete frees q-timer. A...

CVE-2026-68202 ALSA: seq: close a re-opened queue timer in the destructor

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri. snduselocksync then drains borrowers, and sndseqtimerdelete frees q-timer. A...

CVE-2026-68202

CVE-2026-68202 affects the Linux kernel’s ALSA sequencer. A race in queue timer cleanup allows an unprivileged local user with access to /dev/snd/seq to re-open a timer that has just been closed, leading to a use-after-free of the timer/queue object and a potential crash or, in theory, arbitrary ...

EUVD-2026-55303

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri. snduselocksync then drains borrowers, and sndseqtimerdelete frees q-timer. A...

CVE-2026-68201 ALSA: timer: drain a slave's callback before its master detaches it

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: drain a slave's callback before its master detaches it sndtimercloselocked drains the closing instance's own in-flight callback IFLGCALLBACK before freeing it, but not its slaves'. When a master instance is closed,...