CVE-2026-31589

In the Linux kernel, the following vulnerability has been resolved: mm: call -freefolio directly in foliounmapinvalidate We can only call filemapfreefolio if we have a reference to or hold a lock on the mapping. Otherwise, we've already removed the folio from the mapping so it no longer pins the...

CVE-2026-31589

The CVE-2026-31589 issue affects the Linux kernel memory management in the mm path related to folio_unmap_invalidate. The vulnerability arises when the system calls free_folio() directly, instead of loading the free_folio function pointer after obtaining a mapping reference or lock, potentially l...

CVE-2026-31583

In the Linux kernel, the following vulnerability has been resolved: media: em28xx: fix use-after-free in em28xxv4l2open em28xxv4l2open reads dev-v4l2 without holding dev-lock, creating a race with em28xxv4l2init's error path and em28xxv4l2fini, both of which free the em28xxv4l2 struct and set...

CVE-2026-31583

In the Linux kernel, the following vulnerability has been resolved: media: em28xx: fix use-after-free in em28xxv4l2open em28xxv4l2open reads dev-v4l2 without holding dev-lock, creating a race with em28xxv4l2init's error path and em28xxv4l2fini, both of which free the em28xxv4l2 struct and set...

CVE-2026-31579 wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit

In the Linux kernel, the following vulnerability has been resolved: wireguard: device: use exitrtnl callback instead of manual rtnllock in preexit wgnetnspreexit manually acquires rtnllock inside the pernet .preexit callback. This causes a hung task when another thread holds rtnlmutex - the...

CVE-2026-31579

In the Linux kernel, the following vulnerability has been resolved: wireguard: device: use exitrtnl callback instead of manual rtnllock in preexit wgnetnspreexit manually acquires rtnllock inside the pernet .preexit callback. This causes a hung task when another thread holds rtnlmutex - the...

CVE-2026-31579 wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit

In the Linux kernel, the following vulnerability has been resolved: wireguard: device: use exitrtnl callback instead of manual rtnllock in preexit wgnetnspreexit manually acquires rtnllock inside the pernet .preexit callback. This causes a hung task when another thread holds rtnlmutex - the...

CVE-2026-31579

In the Linux kernel, the following vulnerability has been resolved: wireguard: device: use exitrtnl callback instead of manual rtnllock in preexit wgnetnspreexit manually acquires rtnllock inside the pernet .preexit callback. This causes a hung task when another thread holds rtnlmutex - the...

CVE-2026-31556 xfs: scrub: unlock dquot before early return in quota scrub

In the Linux kernel, the following vulnerability has been resolved: xfs: scrub: unlock dquot before early return in quota scrub xchkquotaitem can return early after calling xchkfblockprocesserror. When that helper returns false, the function returned immediately without dropping dq-qqlock, which...

EUVD-2026-25449

In the Linux kernel, the following vulnerability has been resolved: xfs: scrub: unlock dquot before early return in quota scrub xchkquotaitem can return early after calling xchkfblockprocesserror. When that helper returns false, the function returned immediately without dropping dq-qqlock, which...

EUVD-2026-25448

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

CVE-2026-31556

In the Linux kernel, the following vulnerability has been resolved: xfs: scrub: unlock dquot before early return in quota scrub xchkquotaitem can return early after calling xchkfblockprocesserror. When that helper returns false, the function returned immediately without dropping dq-qqlock, which...

CVE-2026-31556 xfs: scrub: unlock dquot before early return in quota scrub

In the Linux kernel, the following vulnerability has been resolved: xfs: scrub: unlock dquot before early return in quota scrub xchkquotaitem can return early after calling xchkfblockprocesserror. When that helper returns false, the function returned immediately without dropping dq-qqlock, which...

CVE-2026-31556

CVE-2026-31556 concerns the Linux kernel XFS quota scrub path. Multiple connected sources document the issue: in xfs, during quota scrubbing, xchk_quota_item could return early after xchk_fblock_process_error without dropping the dquot lock dq->q_qlock, risking lock leaks or deadlocks in later...

CVE-2026-31555 futex: Clear stale exiting pointer in futex_lock_pi() retry path

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

CVE-2026-31555 futex: Clear stale exiting pointer in futex_lock_pi() retry path

In the Linux kernel, the following vulnerability has been resolved: futex: Clear stale exiting pointer in futexlockpi retry path Fuzzying/stressing futexes triggered: WARNING: kernel/futex/core.c:825 at waitforownerexiting+0x7a/0x80, CPU11: futexlockpis/524 When futexlockpiatomic sees the owner i...

PT-2026-34908

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xfs scrub component where the xchk quota item function can return early after calling xchk fblock process error. If the helper returns false, the function exits...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ocfs2 file system’s ocfs2fault function. When filemapfault returns VMFAULTRETRY, it may relea...

PT-2026-34950

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur in the ocfs2 module due to an ABBA lock ordering violation between the ocfs2 unlink and ocfs2 dio end io write functions. The ocfs2 unlink function acquires the orph...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the sevmemencregisterregion function in KVM SEV. When this function checks sevguest, it does not hold...