CLSA-2026-1777482797 Fix CVE(s): CVE-2026-29111

SECURITY UPDATE: stack overwriting via crafted cgroup path - debian/patches/CVE-2026-29111.patch: validate input cgroup path in methodgetunitbycontrolgroup with pathisabsolute and pathisnormalized checks before passing to managergetunitbycgroup. - CVE-2026-29111...

CVE-2026-23219

In the Linux kernel, the following vulnerability has been resolved: mm/slab: Add alloctaggingslabfreehook for memcgallocabortsingle When CONFIGMEMALLOCPROFILINGDEBUG is enabled, the following warning may be noticed: 3959.023862 ------------ cut here ------------ 3959.023891 alloctag was not clear...

CVE-2026-23219 mm/slab: Add alloc_tagging_slab_free_hook for memcg_alloc_abort_single

In the Linux kernel, the following vulnerability has been resolved: mm/slab: Add alloctaggingslabfreehook for memcgallocabortsingle When CONFIGMEMALLOCPROFILINGDEBUG is enabled, the following warning may be noticed: 3959.023862 ------------ cut here ------------ 3959.023891 alloctag was not clear...

CVE-2026-23219

CVE-2026-23219 concerns the Linux kernel (mm/slab) where alloc_tagging_slab_free_hook was not invoked in memcg_alloc_abort_single, causing a spurious warning: “alloc_tag was not cleared …” when CONFIG_MEM_ALLOC_PROFILING_DEBUG is enabled. The issue arises because the existing __memcg_slab_post_al...

CVE-2026-23219

In the Linux kernel, the following vulnerability has been resolved: mm/slab: Add alloctaggingslabfreehook for memcgallocabortsingle When CONFIGMEMALLOCPROFILINGDEBUG is enabled, the following warning may be noticed: 3959.023862 ------------ cut here ------------ 3959.023891 alloctag was not clear...

PT-2026-20431

In the Linux kernel, the following vulnerability has been resolved: mm/slab: Add alloc tagging slab free hook for memcg alloc abort single When CONFIG MEM ALLOC PROFILING DEBUG is enabled, the following warning may be noticed: 3959.023862 ------------ cut here ------------ 3959.023891 alloc tag w...

AZL-77820 CVE-2026-23157 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

USN-8033-3 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-2 linux-intel-iot-realtime, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-2: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

PT-2026-5507

In the Linux kernel, the following vulnerability has been resolved: rust binder: remove spin lock in rust shrink free page When forward-porting Rust Binder to 6.18, I neglected to take commit fb56fdf8b9a2 "mm/list lru: split the lock to per-cgroup scope" into account, and apparently I did not end...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004153)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004153 advisory. A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in versions before 5.7.10 was found in the way when reboot the system. A local user could use...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Ensure that memcg is instructed to use allowspinning=false in bpftimerinit. Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as an...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989739)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989739 advisory. In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989782)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989782 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-iolatency: Fix inflight count imbalances and IO hangs on offline iolatency needs to track the...

Exploit for Use After Free in Microsoft

It is an offensive tool for Linux. This repository contains a pr...

CVE-2023-53621

CVE-2023-53621: Linux kernel memcg/memcontrol bug could cause a NULL pointer dereference during eviction if the memcg retrieved by the stored id is not the original one. Impact is local, with a high base score (7.8) and local access required. The issue stems from eviction recency checks in mem_cg...

CVE-2023-53621 memcontrol: ensure memcg acquired by id is properly set up

In the Linux kernel, the following vulnerability has been resolved: memcontrol: ensure memcg acquired by id is properly set up In the eviction recency check, we attempt to retrieve the memcg to which the folio belonged when it was evicted, by the memcg id stored in the shadow entry. However, ther...