CVE-2025-21911 drm/imagination: avoid deadlock on fence release

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: avoid deadlock on fence release Do scheduler queue fence release processing on a workqueue, rather than in the release function itself. Fixes deadlock issues such as the following: 607.400437...

CVE-2025-21908

CVE-2025-21908 concerns the Linux kernel NFS subsystem. The issue arises when nfs_release_folio() can deadlock during writeback initiated by kcompactd, triggering a recursive path through NFS and the NFSD loopback on the same host. The patch adds PF_KCOMPACTD and a current_is_kcompactd() helper t...

CVE-2025-21909 wifi: nl80211: reject cooked mode if it is set along with other flags

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: reject cooked mode if it is set along with other flags It is possible to set both MONITORFLAGCOOKFRAMES and MONITORFLAGACTIVE flags simultaneously on the same monitor interface from the userspace. This causes a...

CVE-2025-21907 mm: memory-failure: update ttu flag inside unmap_poisoned_folio

In the Linux kernel, the following vulnerability has been resolved: mm: memory-failure: update ttu flag inside unmappoisonedfolio Patch series "mm: memoryfailure: unmap poisoned folio during migrate properly", v3. Fix two bugs during folio migration if the folio is poisoned. This patch of 3: Comm...

CVE-2025-21907

CVE-2025-21907 documents a Linux kernel memory-management issue: during folio migration, unmap_poisoned_folio() must set TTU_HWPOISON for anon folio (and align policy with hwpoison_user_mappings for pagecache). The patch series mm: memory_failure: unmap poisoned folio during migrate properly fixe...

CVE-2025-21905 wifi: iwlwifi: limit printed string from FW file

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: limit printed string from FW file There's no guarantee here that the file is always with a NUL-termination, so reading the string may read beyond the end of the TLV. If that's the last TLV in the file, it can perha...

CVE-2025-21904 caif_virtio: fix wrong pointer check in cfv_probe()

In the Linux kernel, the following vulnerability has been resolved: caifvirtio: fix wrong pointer check in cfvprobe delvqs frees virtqueues, therefore cfv-vqtx pointer should be checked for NULL before calling it, not cfv-vdev. Also the current implementation is redundant because the pointer...

CVE-2025-21903 mctp i3c: handle NULL header address

In the Linux kernel, the following vulnerability has been resolved: mctp i3c: handle NULL header address daddr can be NULL if there is no neighbour table entry present, in that case the tx packet should be dropped. saddr will usually be set by MCTP core, but check for NULL in case a packet is...

CVE-2025-21900 NFSv4: Fix a deadlock when recovering state on a sillyrenamed file

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix a deadlock when recovering state on a sillyrenamed file If the file is sillyrenamed, and slated for delete on close, it is possible for a server reboot to triggeer an open reclaim, with can again race with the...

CVE-2025-21899 tracing: Fix bad hist from corrupting named_triggers list

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix bad hist from corrupting namedtriggers list The following commands causes a crash: cd /sys/kernel/tracing/events/rcu/rcucallback echo 'hist:name=bad:keys=commonpid:onmaxbogus.savecommonpid' trigger bash: echo: write...

CVE-2025-21899 tracing: Fix bad hist from corrupting named_triggers list

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix bad hist from corrupting namedtriggers list The following commands causes a crash: cd /sys/kernel/tracing/events/rcu/rcucallback echo 'hist:name=bad:keys=commonpid:onmaxbogus.savecommonpid' trigger bash: echo: write...

CVE-2025-21897 sched_ext: Fix pick_task_scx() picking non-queued tasks when it's called without balance()

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix picktaskscx picking non-queued tasks when it's called without balance a6250aa251ea "schedext: Handle cases where picktaskscx is called without preceding balancescx" added a workaround to handle the cases where...

CVE-2025-21896

CVE-2025-21896 affects the Linux kernel fuse readahead path. The issue arose when converting readahead to folios: folio references were dropped after locking, breaking the expected reference on ap->folios during splice operations, risking use-after-free in readpages. The fix reverts to __reada...

CVE-2025-21897

CVE-2025-21897: Linux kernel sched_ext vulnerability where pick_task_scx() could return non-queued tasks if balance() wasn’t called. The fix adds a workaround to emulate SCX_RQ_BAL_KEEP only when preceding balance_scx() is missing, and corrects the prior test that used @prev to decide if a task w...

CVE-2025-21895 perf/core: Order the PMU list to fix warning about unordered pmu_ctx_list

In the Linux kernel, the following vulnerability has been resolved: perf/core: Order the PMU list to fix warning about unordered pmuctxlist Syskaller triggers a warning due to prevepc-pmu != nextepc-pmu in perfeventswaptaskctxdata. vmcore shows that two lists have the same perfeventpmucontext, bu...

CVE-2025-21894 net: enetc: VFs do not support HWTSTAMP_TX_ONESTEP_SYNC

In the Linux kernel, the following vulnerability has been resolved: net: enetc: VFs do not support HWTSTAMPTXONESTEPSYNC Actually ENETC VFs do not support HWTSTAMPTXONESTEPSYNC because only ENETC PF can access PMaSINGLESTEP registers. And there will be a crash if VFs are used to test one-step...

CVE-2025-21894

The CVE-2025-21894 issue affects Linux kernel ENETC, where Virtual Functions (VFs) do not support HWTSTAMP_TX_ONESTEP_SYNC because only the PF can access PMa_SINGLE_STEP registers. The result is a crash when VFs attempt one-step timestamping, as illustrated by the kernel crash trace. A fix has be...

PT-2025-14313 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the vma modify function. The issue occurs when a merge attempt fails due to an out-of-memory error, causing the vmg...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the wifi cfg80211 module not canceling the work queue before releasing wiphy...

PT-2025-16679

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns an overflow in the dacloffset bounds check within the ksmbd component of the Linux kernel. Originally, the dacloffset field was typed as int and used in an unchecked...