CVE-2026-92503

A flaw was found in ext4, the extended filesystem for the Linux kernel. When concurrent extended attribute xattr workloads are processed, an ABBA deadlock can occur between a running transaction and the eviction thread. This situation causes both tasks to wait indefinitely for each other, leading...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NVMe: Fixed the failure in reconnection due to reserved tag allocation. We identified an issue in a production environment while using NVMe over RDMA. The reconnection of adminq failed indefinitely, even when the remote target an...

SUSE CVE-2026-92503

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ABBA deadlock in ext4xattrinodecachefind Syzbot/stress-ng reported an ABBA deadlock in ext4 when exercising concurrent xattr workloads using the eainode mount/format option. The deadlock occurs between the running...

Linux Distros Unpatched Vulnerability : CVE-2026-92503

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: fix ABBA deadlock in ext4xattrinodecachefind Syzbot/stress-ng reported an ABBA deadlock in ext4 when exercising concurrent xattr workloads using the eaino...

AZL-102104 CVE-2026-92503 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ABBA deadlock in ext4xattrinodecachefind Syzbot/stress-ng reported an ABBA deadlock in ext4 when exercising concurrent xattr workloads using the eainode mount/format option. The deadlock occurs between the running...

DEBIAN-CVE-2026-92503

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ABBA deadlock in ext4xattrinodecachefind Syzbot/stress-ng reported an ABBA deadlock in ext4 when exercising concurrent xattr workloads using the eainode mount/format option. The deadlock occurs between the running...

CVE-2026-92503

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ABBA deadlock in ext4xattrinodecachefind Syzbot/stress-ng reported an ABBA deadlock in ext4 when exercising concurrent xattr workloads using the eainode mount/format option. The deadlock occurs between the running...

CVE-2026-92503

CVE-2026-92503 is an ABBA deadlock in the Linux kernel's ext4 filesystem, specifically in ext4_xattr_inode_cache_find(). The deadlock occurs between a running transaction holding a reference to a shared mbcache_entry and the eviction thread waiting for that reference to be released, when the exte...

EUVD-2026-82124

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ABBA deadlock in ext4xattrinodecachefind Syzbot/stress-ng reported an ABBA deadlock in ext4 when exercising concurrent xattr workloads using the eainode mount/format option. The deadlock occurs between the running...

CVE-2026-92503 ext4: fix ABBA deadlock in ext4_xattr_inode_cache_find()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ABBA deadlock in ext4xattrinodecachefind Syzbot/stress-ng reported an ABBA deadlock in ext4 when exercising concurrent xattr workloads using the eainode mount/format option. The deadlock occurs between the running...

PT-2026-94811

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An ABBA deadlock occurs in the ext4 file system when processing concurrent xattr workloads using the ea inode mount or format option. The deadlock happens between a running transaction a...

CVE-2026-92503: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ABBA deadlock in ext4xattrinodecachefind Syzbot/stress-ng reported an ABBA deadlock in ext4 when exercising concurrent xattr workloads using the eainode mount/format option. The deadlock occurs between the running...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: dm thin: Fixed the ABBA deadlock between shrinkslab and dmpoolabortmetadata. The following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: The code correctly moves the list within scdisable. Commit 13bac861952a “IB/hfi1: Fix the abba locking issue with scdisable”. However, the code incorrectly attempts to move a list from one list head to another. As a...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107314)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107314 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: IDLETIMER: Fix for possible ABBA deadlock Deletion of the last rule referencing a give...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053263)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053263 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible deadlock between unlink and dioendiowrite ocfs2unlink takes orphan dir...

AZL-99030 CVE-2026-80739 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

CVE-2026-80739

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

SUSE CVE-2026-72190

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix mreclock ABBA deadlock in rename ntfsfilefsync, ntfsdirfsync and ntfswriteinode lock an inode's mreclock before taking the mreclock of its parent directory. ntfsrename takes oldni-mreclock and olddirni-mreclock before...

SUSE CVE-2026-74686

In the Linux kernel, the following vulnerability has been resolved: rqspinlock: Reset tail when preserving queue on deadlock Currently, the destruction of the waiter queue is suppressed for rqspinlock in cases where a deadlock is detected. Deadlock checks happen relatively frequently on entry for...