CVE-2026-99111

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix data corruption with concurrent writes and OTRUNC cifsdotruncate flushes dirty pages with filemapwriteandwait and truncates the file on the server, but in the old code both operations ran without holding irwsem o...

UBUNTU-CVE-2026-99111

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix data corruption with concurrent writes and OTRUNC cifsdotruncate flushes dirty pages with filemapwriteandwait and truncates the file on the server, but in the old code both operations ran without holding irwsem o...

Linux Distros Unpatched Vulnerability : CVE-2026-99111

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix data corruption with concurrent writes and OTRUNC cifsdotruncate flushes dirty pages with filemapwriteandwait and truncates the file on the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dm cache: Fixed a null-de-reference issue during concurrent writes in passthrough mode. In passthrough mode, when the dm-cache attempts to invalidate a cache entry, the bio prison cell lock may fail due to concurrent writes to...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: afalg – Concurrent writes to afalgsendmsg are now disallowed. Issuing two writes to the same afalg socket is problematic, as the data will be interleaved in a unpredictable manner. Additionally, concurrent writes may caus...

SUSE-SU-2026:4665-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2022-50645: EDAC/i10nm: fix refcount leak in pcigetdevwrapper bsc1254633. - CVE-2025-39964: crypto: afalg - Disallow concurrent writes in afalgsendmsg bsc1251966....

Linux Distros Unpatched Vulnerability : CVE-2026-89752

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: memcg: stop reclaim when a limit update is superseded kernfs serializes file operations only per open file, so separate open files can update the same...

EUVD-2026-55530

In the Linux kernel, the following vulnerability has been resolved: ftrace: Add global mutex to serialize traceparser access In ftrace, the traceparser structure is allocated and initialized when a trace file is opened, and is subsequently used across write and release handlers to parse user inpu...

CVE-2026-68146 ftrace: Add global mutex to serialize trace_parser access

In the Linux kernel, the following vulnerability has been resolved: ftrace: Add global mutex to serialize traceparser access In ftrace, the traceparser structure is allocated and initialized when a trace file is opened, and is subsequently used across write and release handlers to parse user inpu...

EUVD-2026-55267

In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: write all dirty file folios when collapsing There is no upstream commit, as this code was removed by upstream commit 044925f9b565 "mm: fs: remove filemapnrthps functions and their users" As-is, khugepaged and...

PT-2026-69546

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In ftrace, the trace parser structure is initialized when a trace file is opened and used across write and release handlers to parse user input. A race condition occurs if a trace file...

JLSEC-2026-798 TLS 1.3 KeyUpdate handling can race concurrent writes

Reseau 1.1.0 through 1.3.1 process a peer-requested TLS 1.3 KeyUpdateupdaterequested response from the read path without acquiring the connection's write lock. A connected peer can race that response against an application task writing on the same connection. Impact The two tasks can concurrently...

CVE-2026-64213

In the Linux kernel, the following vulnerability has been resolved: hwmon: lm90 Add lock protection to lm90alert Sashiko reports: lm90alert executes in the smbus alert context and calls lm90updateconfreg to disable the hardware alert line, without acquiring hwmonlock. Concurrently, sysfs write...

CVE-2026-53385

A flaw was found in the Linux kernel's vcscreen module. A race condition in the vcswrite function can lead to a null pointer dereference. This occurs when the vcdata pointer becomes stale during concurrent write operations, and a subsequent call attempts to use the now-invalid pointer. A local...

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-2026-53062

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...