Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed corruption in the blockgrouptree dirtylist. When the incompat flag EXTENTTREEV2 is set, we unconditionally add the block group tree to the switchcommits list before calling switchcommitroots, just like we do for t...

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...

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...

EUVD-2026-34113

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

The CVE-2026-46251 issue is a Linux kernel Btrfs vulnerability where, when EXTENT_TREE_V2 is enabled, the block_group_tree may be added to switch_commits while still on the dirty_list, causing invalid list manipulation and corruption of block_group_root->dirty_list. This corruption can propaga...

CVE-2026-46251 btrfs: fix block_group_tree dirty_list corruption

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...

PT-2026-46014

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the btrfs file system where the block group tree dirty list can become corrupted. When the EXTENT TREE V2 incompat flag is set, the block group tree is unconditionally...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the btrfs file system’s use of listaddtail to update the dirtylist for blockgrouptree when settin...

Linux Distros Unpatched Vulnerability : CVE-2026-46251

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix blockgrouptree dirtylist corruption When the incompat flag EXTENTTREEV2 is set, we unconditionally add the block group tree to the switchcommits list...

CVE-2026-46159

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix btrfsioctlspaceinfo slotcount TOCTOU which can lead to info-leak btrfsioctlspaceinfo has a TOCTOU race between two passes over the block group RAID type lists. The first pass counts entries to determine the allocation...

UBUNTU-CVE-2026-46159

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix btrfsioctlspaceinfo slotcount TOCTOU which can lead to info-leak btrfsioctlspaceinfo has a TOCTOU race between two passes over the block group RAID type lists. The first pass counts entries to determine the allocation...

CVE-2026-46159 btrfs: fix btrfs_ioctl_space_info() slot_count TOCTOU which can lead to info-leak

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix btrfsioctlspaceinfo slotcount TOCTOU which can lead to info-leak btrfsioctlspaceinfo has a TOCTOU race between two passes over the block group RAID type lists. The first pass counts entries to determine the allocation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a hang that occurred during unmount when the block group reclaim task was running. When starting an unmount, at closectree, if the reclaim task is running and is in the middle of a data block group relocation, a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed ext4mbmarkbb with flexbg and fastcommit. In the case of the flexbg feature which is enabled by default, extents for any given inode may span across blocks from two different block groups. ext4mbmarkbb only reads the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for corruption during online resizing We observed corruption during online resizing of a file system that is larger than 16 TiB and has a 4k block size. When there are more than 2^32 blocks, resizeinode is turned off by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed the issue where a new block group that becomes unused after creation could lead to a use-after-free condition. If a task creates a new block group and that block group becomes unused before it is fully created, durin...

CVE-2026-43068

A flaw was found in the Linux kernel's ext4 filesystem. This vulnerability occurs when the system attempts to allocate blocks from a corrupted block group within the ext4 filesystem. An attacker with local access could potentially trigger this condition, leading to delayed block allocation failur...

EUVD-2026-27370

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocate block from corrupted group in ext4mbfindbygoal There's issue as follows: ... EXT4-fs mmcblk0p1: Delayed block allocation failed for inode 206 at logical offset 0 with max blocks 1 with error 117 EXT4-fs...