dm cache: fix null-deref with concurrent writes in passthrough mode

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SUSE CVE-2026-53064

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lock fails due to concurrent write to the same cached block, mg-cell...

SUSE CVE-2026-53250

In the Linux kernel, the following vulnerability has been resolved: xsk: cache csumstart/csumoffset to fix TOCTOU in xskskbmetadata The TX metadata area resides in the UMEM buffer which is memory-mapped and concurrently writable by userspace. In xskskbmetadata, csumstart and csumoffset are read...

Linux Distros Unpatched Vulnerability : CVE-2026-53064

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lo...

CVE-2026-53064

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lock fails due to concurrent write to the same cached block, mg-cell...

CVE-2026-53064

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lock fails due to concurrent write to the same cached block, mg-cell...

CVE-2026-53062

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: fix missing locks in invalidating cache blocks In passthrough mode, the policy invalidatemapping operation is called simultaneously from multiple workers, thus it should be protected by a lock. Otherwise, we...

CVE-2026-53064 dm cache: fix null-deref with concurrent writes in passthrough mode

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lock fails due to concurrent write to the same cached block, mg-cell...

CVE-2026-53064

In Linux kernel dm-cache passthrough mode, a race between invalidate_complete() and concurrent writes can leave mg->cell NULL, causing a NULL pointer dereference during unlock/free. The reported fix is to validate mg->cell before unlocking it. Affected context described includes local, low-...

EUVD-2026-38932

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lock fails due to concurrent write to the same cached block, mg-cell...

CVE-2026-53064 dm cache: fix null-deref with concurrent writes in passthrough mode

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lock fails due to concurrent write to the same cached block, mg-cell...

EUVD-2026-38930

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: fix missing locks in invalidating cache blocks In passthrough mode, the policy invalidatemapping operation is called simultaneously from multiple workers, thus it should be protected by a lock. Otherwise, we...

PT-2026-51958

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.19.0-rc7 Description In passthrough mode, a null pointer dereference occurs when dm-cache attempts to invalidate a cache entry while a concurrent write to the same cached block causes the bio prison cell lock to fail. In...

CVE-2026-31715

A flaw was found in the Linux kernel's Flash-Friendly File System f2fs. A use-after-free vulnerability exists due to incorrect handling of page counts during concurrent write operations and unmounting. This can lead to a NULL pointer dereference, causing the system to panic and resulting in a...

CVE-2026-31551

A flaw was found in the mac80211 Wi-Fi subsystem of the Linux kernel. A local user could exploit a race condition in the aqlenablewrite function, which does not properly handle concurrent write operations to the debug file system. This could lead to a staticbranchdec underflow, resulting in a...

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 aqlenablewrite function not being serialized during concurrent writing, potentially leading to an...

CVE-2026-35356

A Time-of-Check to Time-of-Use TOCTOU vulnerability exists in the install utility of uutils coreutils when using the -D flag. The command creates parent directories and subsequently performs a second path resolution to create the target file, neither of which is anchored to a directory file...

uutils coreutils 安全漏洞

uutils coreutils is a cross-platform core command-line toolset developed by Uutils. There is a security vulnerability in uutils coreutils, which stems from a race condition when the -D flag is used in the install process. This could allow attackers with concurrent write privileges to redirect...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007617)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007617 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: afalg - Disallow concurrent writes in afalgsendmsg Issuing two writes to the same afalg...

nginx-ui has Race Condition that Leads to Persistent Data Corruption and Service Collapse

The nginx-ui application is vulnerable to a Race Condition. Due to the complete absence of synchronization mechanisms Mutex and non-atomic file writes, concurrent requests lead to the severe corruption of the primary configuration file app.ini. This vulnerability results in a persistent Denial of...