CVE-2026-46100

A flaw was found in the Linux kernel's AFS Andrew File System component. The mmapprepare function was incorrectly used, leading to a reference count refcount leak. This issue occurs when mmapprepare establishes a refcount, but a subsequent operation fails, causing the refcount to be leaked. This...

EUVD-2026-32483

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 mmapprepare change...

SUSE CVE-2026-43463

In the Linux kernel, the following vulnerability has been resolved: rxrpc, afs: Fix missing error pointer check after rxrpckernellookuppeer rxrpckernellookuppeer can also return error pointers in addition to NULL, so just checking for NULL is not sufficient. Fix this by: 1 Changing...

USN-7922-3 linux-oracle-5.4 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: - Cryptographic API; - ACPI drivers; - InfiniBand drivers; - Media drivers; - Network drivers; - Pin controllers...

USN-7928-4 linux-raspi 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: - Cryptographic API; - Media drivers; - Network drivers; - AFS file system; - F2FS file system; - Tracing...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7928-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7928-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-7907-3 linux-gcp, linux-gcp-4.15, linux-hwe 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: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - Mailbox framework; -...

afs: Fix potential null pointer dereference in afs_put_server

...

CVE-2025-40010 afs: Fix potential null pointer dereference in afs_put_server

In the Linux kernel, the following vulnerability has been resolved: afs: Fix potential null pointer dereference in afsputserver afsputserver accessed server-debugid before the NULL check, which could lead to a null pointer dereference. Move the debugid assignment, ensuring we never dereference a...

PT-2025-42779

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s AFS subsystem where a null pointer dereference could occur within the afs put server function. Specifically, the function accessed server-debug id...

afs: Fix lock recursion

...

Linux Distros Unpatched Vulnerability : CVE-2024-26736

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: afs: Increase buffer size in afsupdatevolumestatus The max length of volume-vid value is 20...

The vulnerability of the afs_put_server() function in the fs/afs/server.c module of the Andrew file system support module for Linux kernel allows a hacker to cause a service failure.

The vulnerability of the afsputserver function in the fs/afs/server.c module of the Andrew file system support module in the Linux operating system is related to incomplete cleanup of temporary or auxiliary resources. Exploiting this vulnerability could allow an attacker to cause service failures...

UBUNTU-CVE-2022-49688

In the Linux kernel, the following vulnerability has been resolved: afs: Fix dynamic root getattr The recent patch to make afsgetattr consult the server didn't account for the pseudo-inodes employed by the dynamic root-type afs superblock not having a volume or a server to access, and thus an oop...

SUSE CVE-2025-21646

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the maximum cell name length The kafs filesystem limits the maximum length of a cell to 256 bytes, but a problem occurs if someone actually does that: kafs tries to create a directory under /proc/net/afs/ with the name o...

UBUNTU-CVE-2025-21646

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the maximum cell name length The kafs filesystem limits the maximum length of a cell to 256 bytes, but a problem occurs if someone actually does that: kafs tries to create a directory under /proc/net/afs/ with the name o...

The vulnerability of the afs component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the afs component in the Linux operating system’s kernel is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to cause a system failure...

UBUNTU-CVE-2024-49999

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the setting of the server responding flag In afswaitforoperation, we set transcribe the call responded flag to the server record that we used after doing the fileserver iteration loop - but it's possible to exit the loop...