CVE-2026-46063

The CVE-2026-46063 issue affects the Linux kernel (x86/shstk) where a deadlock could occur during sigreturn while popping the shadow stack frame. The root cause was reading the shadow stack with the mmap lock held; a page fault could trigger a recursive mmap lock acquisition, risking deadlock if ...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix potential AB/BA lock with buffermutex and mmaplock syzbot detected a potential deadlock between the runtime-buffermutex and the mm-mmaplock. This issue arose due to the recent fix related to racy read/writes and...

CVE-2026-43109

In the Linux kernel, the following vulnerability has been resolved: x86: shadow stacks: proper error handling for mmap lock 김영민 reports that shstkpopsigframe doesn't check for errors from mmapreadlockkillable, which is a silly oversight, and also shows that we haven't marked those functions with...

Astra Linux - уязвимость в linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: fix UAF in hugetlbhandleuserfault The vmalock and hugetlbfaultmutex are removed before handling userfault, and reacquired again after handleuserfault. However, reacquiring the vmalock could lead to a...

CVE-2026-23199

CVE-2026-23199 : In the Linux kernel, procfs could deadlock by fetching the optional build ID while holding the VMA lock. The fix changes PROCMAP_QUERY to obtain the optional build ID only after dropping mmap_lock or after acquiring the per-VMA lock used to guard the VMA, preventing the cross-loc...

CVE-2025-40332 drm/amdkfd: Fix mmap write lock not release

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix mmap write lock not release If mmap write lock is taken while draining retry fault, mmap write lock is not released because svmrangerestorepages calls mmapreadunlock then returns. This causes deadlock and system...

Linux Distros Unpatched Vulnerability : CVE-2023-52438

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: binder: fix use-after-free in shinker's callback The mmap read lock is used during the...

UBUNTU-CVE-2025-38084

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: unshare page tables during VMA split, not before Currently, splitvma triggers hugetlb page table unsharing through vmops-maysplit. This happens before the VMA lock and rmap locks are taken - which is too early, it...

SUSE CVE-2022-49947

In the Linux kernel, the following vulnerability has been resolved: binder: fix alloc-vmavmmm null-ptr dereference Syzbot reported a couple issues introduced by commit 44e602b4e52f "binderalloc: add missing mmaplock calls when using the VMA", in which we attempt to acquire the mmaplock when...

DEBIAN-CVE-2022-49947

In the Linux kernel, the following vulnerability has been resolved: binder: fix alloc-vmavmmm null-ptr dereference Syzbot reported a couple issues introduced by commit 44e602b4e52f "binderalloc: add missing mmaplock calls when using the VMA", in which we attempt to acquire the mmaplock when...

UBUNTU-CVE-2022-49947

In the Linux kernel, the following vulnerability has been resolved: binder: fix alloc-vmavmmm null-ptr dereference Syzbot reported a couple issues introduced by commit 44e602b4e52f "binderalloc: add missing mmaplock calls when using the VMA", in which we attempt to acquire the mmaplock when...

OESA-2024-1284 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: f2fs: explicitly null-terminate the xattr list When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the...

kernel: missing mmap_lock in file_files_note that could possibly lead to a use after free in the coredump code

A use-after-free flaw was found in the Linux kernel’s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 "coredump: Use the vma snapshot in fillfilesnote" not applied yet, then kernel could be affected...

kernel: ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix potential AB/BA lock with buffermutex and mmaplock syzbot caught a potential deadlock between the PCM runtime-buffermutex and the mm-mmaplock. It was brought by the recent fix to cover the racy read/write and other...