Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: gfs2: Fix for fiemap page faults In gfs2fiemap, we call iomapfiemap while holding the inode lock. This can lead to recursive locking if the fiemap buffer is memory-mapped to the same inode, and accessing it triggers a page...

kernel security, bug fix, and enhancement update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

ALSA-2026:50978 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel crash in bpfforeacharrayelem due to missing backport of...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel crash in bpfforeacharrayelem due to missing backport of...

kernel: gfs2: Fix use-after-free in iomap inline data write path

A flaw was found in the Linux kernel's GFS2 filesystem. This memory corruption vulnerability, a use-after-free, occurs in the iomap inline data write path. The issue arises because a data buffer is released prematurely while still being referenced, leading to a write to freed memory. This could...

SUSE CVE-2026-53048

In the Linux kernel, the following vulnerability has been resolved: gfs2: prevent NULL pointer dereference during unmount When flushing out outstanding glock work during an unmount, gfs2logflush can be called when sdp-sdjdesc has already been deallocated and sdp-sdjdesc is NULL. Commit 35264909e9...

CVE-2026-43262

In the Linux kernel, the following vulnerability has been resolved: gfs2: fiemap page fault fix In gfs2fiemap, we are calling iomapfiemap while holding the inode glock. This can lead to recursive glock taking if the fiemap buffer is memory mapped to the same inode and accessing it triggers a page...

PT-2026-37602

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the gfs2 fiemap function where iomap fiemap is called while the inode glock global lock is held. This can result in recursive glock acquisition if the fiemap buffer is...

USN-8143-1 linux, linux-aws, linux-kvm, linux-lts-xenial 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; - GPU drivers; - BTRFS file system; - GFS2 file system; - UDF file system; - NFC subsystem; -...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-49138: Bluetooth: hcievent: Fix checking conn for leconncompleteevt bsc1238160. CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev-devname,shortnam...

kernel security update

4.18.0-553.71.110.OL8 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

OESA-2025-1569 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: gfs2: Check sbbsizeshift after reading superblock Fuzzers like to scribble over sbbsizeshift but in reality it's very unlikely that this field would be corrupted...

The vulnerability of the gfs2_glock_free() function in the gfs2 file system of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the gfs2glockfree function in the fs/gfs2/glock.c file of the Linux kernel’s GFS2 file system is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of...

CLSA-2024-1725871927 kernel: Fix of 30 CVEs

gfs2: Fix potential glock use-after-free on unmount CVE-2024-38570 - gfs2: Remove ill-placed consistency check CVE-2024-38570 - gfs2: introduce new gfs2glockassertwithdraw CVE-2024-38570 - gfs2: simplify gdlmputlock with outfree label CVE-2024-38570 - wifi: mt76: replace skbput with skbputzero...

CVE-2024-42079

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix NULL pointer dereference in gfs2logflush In gfs2jindexfree, set sdp-sdjdesc to NULL under the log flush lock to provide exclusion against gfs2logflush. In gfs2logflush, check if sdp-sdjdesc is non-NULL before...

UBUNTU-CVE-2024-42079

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix NULL pointer dereference in gfs2logflush In gfs2jindexfree, set sdp-sdjdesc to NULL under the log flush lock to provide exclusion against gfs2logflush. In gfs2logflush, check if sdp-sdjdesc is non-NULL before...

DEBIAN-CVE-2024-38570

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix potential glock use-after-free on unmount When a DLM lockspace is released and there ares still locks in that lockspace, DLM will unlock those locks automatically. Commit fb6791d100d1b started exploiting this behavior t...

The vulnerability of the gfs2PutSuper() function in the gfs2 file system of Linux kernels allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the gfs2PutSuper function in the fs/gfs2/super.c file of the Linux kernel’s file system gfs2 is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of th...

UBUNTU-CVE-2021-47254

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in gfs2glockshrinkscan The GLFLRU flag is checked under lrulock in gfs2glockremovefromlru to remove the glock from the lru list in gfs2glockput. On the shrink scan path, the same flag is cleared under...

kernel: gfs2: NULL pointer dereference in gfs2_evict_inode()

A NULL pointer dereference flaw was found in the gfs2 file system in the Linux kernel. This issue occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. This flaw allows a privileged local user to cause ...