CVE-2026-64156 netfs, afs: Fix write skipping in dir/link writepages

In the Linux kernel, the following vulnerability has been resolved: netfs, afs: Fix write skipping in dir/link writepages Fix netfswritesingle and afssinglewritepages to better handle a write that would be skipped due to lock contention and WBSYNCNONE by returning 1 from netfswritesingle if it...

EUVD-2026-45630

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the locking used by afsgetlink The afs filesystem in the kernel doesn't do locking correctly for symbolic links. There are a number of problems: 1 It doesn't do any locking around afsreadsingle to prevent races between...

CVE-2026-64057

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the locking used by afsgetlink The afs filesystem in the kernel doesn't do locking correctly for symbolic links. There are a number of problems: 1 It doesn't do any locking around afsreadsingle to prevent races between...

CVE-2026-64057

The CVE-2026-64057 entry concerns the Linux kernel AFS (Andrew File System) subsystem and a locking flaw around symbolic links processed by afs_get_link(). The root causes described across sources are: (1) no locking around afs_read_single() to prevent races between concurrent ->get_link() cal...

CVE-2026-64057 afs: Fix the locking used by afs_get_link()

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the locking used by afsgetlink The afs filesystem in the kernel doesn't do locking correctly for symbolic links. There are a number of problems: 1 It doesn't do any locking around afsreadsingle to prevent races between...

CVE-2026-64057 afs: Fix the locking used by afs_get_link()

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the locking used by afsgetlink The afs filesystem in the kernel doesn't do locking correctly for symbolic links. There are a number of problems: 1 It doesn't do any locking around afsreadsingle to prevent races between...

PT-2026-61473

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfs and afs components where write operations for directories and links could be skipped due to lock contention and the use of WB SYNC NONE. This occurs within t...

PT-2026-61374

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The afs filesystem in the kernel implements incorrect locking for symbolic links. This leads to several issues, including a lack of locking around the afs read single function, which can...

Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7922-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7922-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Ubuntu 20.04 LTS : Linux kernel (Azure FIPS) vulnerabilities (USN-7939-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7939-2 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation betwee...

Linux Distros Unpatched Vulnerability : CVE-2026-46100

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c fs: convert most other genericfilemmap users to .mmapprepare. This is because the .mmap...

SUSE CVE-2026-46100

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

CVE-2026-46100

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

UBUNTU-CVE-2026-46100

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

CVE-2026-46100

CVE-2026-46100 concerns the Linux kernel AFS subsystem where a change to mmap_prepare() could leak a refcount when a merge or allocation failure occurs after the call. The public descriptions across multiple sources indicate a partial revert of the change that converted generic_file_mmap() users ...

CVE-2026-46100 fs: afs: revert mmap_prepare() change

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

CVE-2026-46100

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

CVE-2026-46100 fs: afs: revert mmap_prepare() change

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

PT-2026-43968

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified openSUSE Tumbleweed versions prior to kernel-devel-7.0.11-1.1 Description A refcount leak occurs in the AFS Andrew File System implementation within the Linux kernel. This happens because the .mmap...

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 changes in the mmapprepare function of the afs file system. This change leads to a leak of...