EUVD-2026-38990

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between reflink and transaction commit when using flushoncommit When using the flushoncommit mount option, we can have a deadlock between a transaction commit and a reflink operation that copied an inline exte...

CVE-2026-53122 btrfs: fix deadlock between reflink and transaction commit when using flushoncommit

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between reflink and transaction commit when using flushoncommit When using the flushoncommit mount option, we can have a deadlock between a transaction commit and a reflink operation that copied an inline exte...

CVE-2026-53122 btrfs: fix deadlock between reflink and transaction commit when using flushoncommit

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between reflink and transaction commit when using flushoncommit When using the flushoncommit mount option, we can have a deadlock between a transaction commit and a reflink operation that copied an inline exte...

CVE-2026-53122

CVE-2026-53122: Linux kernel bug in btrfs where flushoncommit can deadlock a reflink with a pending transaction commit when copying an inline extent beyond i_size. The issue arises from locking sequences between reflink/commit paths and delalloc/ordered extents, leading to a cycle where two tasks...

Oracle Linux 9 : cockpit (ELSA-2026-21468)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-21468 advisory. 356.2-1.0.1 - Apply the patch for duplicate reference Orabug: 39250109 - Storage: Enable btrfs support Orabug: 37464632 - Replaced upstream urls in documentati...

PT-2026-52016

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur in the btrfs file system when the flushoncommit mount option is used. The issue arises during a reflink operation that copies an inline extent to an offset beyond th...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: blk-mq: use quiesced elevator switch when reinitializing queues CVE-2022-50552 In the Linux kernel, the following vulnerability has been resolved: net: clear the dst when changing skb protocol CVE-2025-38192 In th...

Important: kernel6.18

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: bpf: fix end-of-list detection in cgroupstoragegetnextkey CVE-2026-45838 In the Linux kernel, the following vulnerability has been resolved: bpf: reject negative CO-RE accessor indices in bpfcoreparsespec...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where a double-free operation occurred in the createspaceinfosubgroup function. When the kobjectinitandadd function fails, the call chain is as follows: createspaceinfosubgroup → btrfssysfsaddspaceinfotype →...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: btrfssetheadergeneration must not be moved to after cleantreeblock, because cleantreeblock calls btrfsheadergeneration from commit 55c69072d6bd5be1 “Btrfs: Fix extentbuffer usage when nodesize != leafsize”. In...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a double-free in the createspaceinfo function’s error path. When kobjectinitandadd fails, the call chain is as follows: createspaceinfo → btrfssysfsaddspaceinfotype → kobjectinitandadd → Failure →...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Skipping the “reserved bytes” warning after unmounting after a log cleanup failure. After the recent changes made by commit c2e39305299f01 “btrfs: clearing the extent buffer when writing fails” and its follow-up fix,...

Astra Linux – Vulnerability in Linux 5.15

The following vulnerability has been resolved in the Linux kernel: btrfs: fixed an issue with the tree mod log handling of reallocated nodes. We have observed the following panics in production: - Kernel bug at fs/btrfs/tree-mod-log.c:677! - Invalid opcode: 0000 1 SMP - RIP:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed an issue where the extent map was used after free, especially when handling a missing device in the readonechunk function. The error code must be stored before freeing the extentmap. Although it’s a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not call BUGON when encountering ENOMEM during the dropping of file extent items within a given range. If -ENOMEM occurs while dropping file extent items within a specified range, at btrfsDropExtents, the transaction ma...

OESA-2026-2674 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There's a race between a task disabling quotas and another running the rescan ioctl that can...

Ubuntu 20.04 LTS : Linux kernel (Azure FIPS) vulnerabilities (USN-8098-8)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8098-8 advisory. Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these...

SUSE CVE-2026-46251

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix blockgrouptree dirtylist corruption When the incompat flag EXTENTTREEV2 is set, we unconditionally add the block group tree to the switchcommits list before calling switchcommitroots, as we do for the tree root and the...

CVE-2026-46251

A flaw was found in the Linux kernel's Btrfs filesystem. When the EXTENTTREEV2 incompatibility flag is enabled, the block group tree's dirty list can become corrupted. This corruption occurs because the block group tree is incorrectly added to a commit list while already being tracked, leading to...

CVE-2026-46251

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix blockgrouptree dirtylist corruption When the incompat flag EXTENTTREEV2 is set, we unconditionally add the block group tree to the switchcommits list before calling switchcommitroots, as we do for the tree root and the...