COWSlip

COWSlip: XFS reflink stale-mapping LPE originally RefluXFS or CVE-2026-64600 The name describes the mechanism: COW identifies XFS copy-on-write/reflink handling. Slip describes the stale data-fork mapping slipping to the wrong physical block after the ILOCK cycle. However, official credits belong...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: xfs: fixed an ilock leak due to an error in xfsdqgetnextid The xfsdqgetnextid function takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing th...

SUSE CVE-2026-80534

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

CVE-2026-80534

A flaw was found in the XFS filesystem component of the Linux kernel. The xfsdqgetnextid function fails to release an inode lock ilock if an error occurs during extent reading. This ilock leak can leave the quota inode permanently locked, preventing further quota operations and leading to a denia...

K000163112: Linux kernel vulnerability CVE-2026-64600

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers...

AZL-97683 CVE-2026-80534 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

CVE-2026-80534

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

UBUNTU-CVE-2026-80534

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

CVE-2026-80534 xfs: fix ilock leak on error in xfs_dq_get_next_id

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

CVE-2026-80534 xfs: fix ilock leak on error in xfs_dq_get_next_id

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

CVE-2026-80534

CVE-2026-80534 is a lock-leak bug in the XFS filesystem of the Linux kernel. The function xfs_dq_get_next_id() acquires the quota inode ILock before calling xfs_iread_extents() ; if that call fails, the function returns early without releasing the lock, leaving the quota inode permanently locked....

CVE-2026-80534: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

PT-2026-82150

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the XFS file system where the xfs dq get next id function fails to release the quota inode ILOCK if the xfs iread extents function encounters an error. This results in...

CVE-2026-80534: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xfs: fix ilock leak on error in xfsdqgetnextid xfsdqgetnextid takes the quota inode ILOCK before calling xfsireadextents. If xfsireadextents fails, the function returns immediately without releasing the lock, leaking the quota...

SUSE CVE-2026-64600

In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK xfsreflinkfillcowhole,delalloc are both presented with an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle the ILOCK to grab a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfs: The data fork mapping is resampled after cycling ILOCK. xfsreflinkfillcowhole,delalloc involves an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle ILOCK to obtain a transaction,...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-127 (ALASKERNEL-5.10-2026-127)

The version of kernel installed on the remote host is prior to 5.10.260-259.1054. It is, therefore, affected by a vulnerability as referenced in the ALAS2KERNEL-5.10-2026-127 advisory. In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs CVE-2026-64531 In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.4 Extra. Visit this page to learn more about Amazon...