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 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...

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

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

Technical details about CVE-2026-46251 (affected components, versions, impact, fix) are not provided in the supplied documents. Monitor for updates as additional details may be published in connected sources.

PT-2026-46014

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix block group tree dirty list corruption When the incompat flag EXTENT TREE V2 is set, we unconditionally add the block group tree to the switch commits list before calling switch commit roots, as we do for the tree root...

CVE-2026-46194

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix nodecnt race between extent node destroy and writeback f2fsdestroyextentnode does not set FINOEXTENT before clearing extent nodes. When called from f2fsdropinode with ISYNC set, concurrent kworker writeback can insert n...

UBUNTU-CVE-2026-46194

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix nodecnt race between extent node destroy and writeback f2fsdestroyextentnode does not set FINOEXTENT before clearing extent nodes. When called from f2fsdropinode with ISYNC set, concurrent kworker writeback can insert n...

CVE-2026-46194 f2fs: fix node_cnt race between extent node destroy and writeback

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix nodecnt race between extent node destroy and writeback f2fsdestroyextentnode does not set FINOEXTENT before clearing extent nodes. When called from f2fsdropinode with ISYNC set, concurrent kworker writeback can insert n...

CVE-2026-46194

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix nodecnt race between extent node destroy and writeback f2fsdestroyextentnode does not set FINOEXTENT before clearing extent nodes. When called from f2fsdropinode with ISYNC set, concurrent kworker writeback can insert n...

CVE-2026-46080

In the Linux kernel, the following vulnerability has been resolved: ocfs2: split transactions in dio completion to avoid credit exhaustion During ocfs2 dio operations, JBD2 may report warnings via following call trace: ocfs2dioendiowrite ocfs2markextentwritten ocfs2changeextentflag ocfs2splitexte...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Rejects new transactions if the file system is fully read-only. BUG There is a bug report where a heavily fuzzed file system is mounted with all rescue mount options. This leads to the following warnings during unmount:...

Astra Linux - уязвимость в linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: A sanity check was added for the btrfs root in btrfssearchslot. Syzbot reports a nullptrderef issue in btrfssearchslot. The reproducer uses rescue=ibadroots, and the extent tree root is corrupted, resulting in an empty...

Astra Linux - уязвимость в linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: udf: Fix preallocation discarding at indirect extent boundary When preallocation extent is the first one in the extent block, the code would corrupt extent tree header instead. Fix the problem and use udfdeleteaext for deleting...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: We’ve fixed our handling of the situation where refs == 0 in the snapshot delete operation. In reada, there’s a bug where refs == 0 can occur. This could be problematic because we don’t hold a lock on the extent leaf, a...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

Astra Linux - уязвимость в linux-5.15, linux, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: let's avoid panic if extenttree is not created This patch avoids the below panic. pc : lookupextenttree+0xd8/0x760 lr : f2fsdowritedatapage+0x104/0x87c sp : ffffffc010cbb3c0 x29: ffffffc010cbb3e0 x28: 0000000000000000 x27:...

Linux Distros Unpatched Vulnerability : CVE-2026-31666

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix incorrect return value after changing leaf in lookupextentdataref After commit 1618aa3c2e01 btrfs: simplify return variables in lookupextentdataref,...

SUSE CVE-2026-31666

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookupextentdataref After commit 1618aa3c2e01 "btrfs: simplify return variables in lookupextentdataref", the err and ret variables were merged into a single ret variable...