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

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not ASSERT if the newly created subvolume has already been read. BUG There is a syzbot crash, triggered by the ASSERT during subvolume creation: Assertion failed: !anondev, in fs/btrfs/disk-io.c:1319 ----------- kernel...

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

In btrfsgetrootref in fs/btrfs/disk-io.c within the Linux kernel, up to version 6.7.1, there may be an assertion failure and a crash occurring because a subvolume can be read out too early after its root item is inserted during subvolume creation...

btrfs: set BTRFS_ROOT_ORPHAN_CLEANUP during subvol create

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SUSE CVE-2026-31519

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

CVE-2026-31519

A flaw was found in the Linux kernel's Btrfs filesystem. A race condition, a situation where the outcome depends on the sequence or timing of uncontrollable events, can occur during the creation and cleanup of subvolumes. This can result in a valid subvolume being incorrectly marked as a broken...

EUVD-2026-24903

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

CVE-2026-31519

CVE-2026-31519 affects the Linux kernel btrfs subsystem. A race during subvolume creation and orphan cleanup can leave a valid subvolume’s dentry in a broken state, marked as a broken entry in the directory cache, preventing deletion or new writes in that location. Root cause: btrfs_orphan_cleanu...

CVE-2026-31519

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

CVE-2026-31519 btrfs: set BTRFS_ROOT_ORPHAN_CLEANUP during subvol create

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

PT-2026-34424

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 BTRFS ROOT ORPHAN CLEANUP bit is not set during subvolume creation in the create subvol function. This can lead to a race condition...

Linux Distros Unpatched Vulnerability : CVE-2026-31519

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like:...

Linux Distros Unpatched Vulnerability : CVE-2023-54158

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: don't free qgroup space unless specified Boris noticed in his simple quotas testing that he was getting a leak with Sweet Tea's change to subvol create...

CVE-2023-54158

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't free qgroup space unless specified Boris noticed in his simple quotas testing that he was getting a leak with Sweet Tea's change to subvol create that stopped doing a transaction commit. This was just a side effect o...

CVE-2023-54158 btrfs: don't free qgroup space unless specified

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't free qgroup space unless specified Boris noticed in his simple quotas testing that he was getting a leak with Sweet Tea's change to subvol create that stopped doing a transaction commit. This was just a side effect o...

CVE-2023-54158

Summary: CVE-2023-54158 affects the Linux kernel’s btrfs implementation, where an optimization in delayed inode handling can improperly free or free-trace qgroup reservations during subvolume creation, leaking reserved space and breaking proper accounting. The root cause involves btrfs_insert_del...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-449274)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-449274 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: do not ASSERT if the newly created subvolume already got read BUG There is a syzbot crash,...

SUSE CVE-2022-49469

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix anondev leak in createsubvol When btrfsqgroupinherit, btrfsalloctreeblock, or btrfsinsertroot fail in createsubvol, we return without freeing anondev. Reorganize the error handling in createsubvol to fix this...

SUSE CVE-2022-49033

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix sleep from invalid context bug in btrfsqgroupinherit Syzkaller reported BUG as follows: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 Call Trace: dumpstacklvl+0xcd/0x134...

SUSE CVE-2024-35956

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix qgroup prealloc rsv leak in subvolume operations Create subvolume, create snapshot and delete subvolume all use btrfssubvolumereservemetadata to reserve metadata for the changes done to the parent subvolume's f...

UBUNTU-CVE-2024-35956

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix qgroup prealloc rsv leak in subvolume operations Create subvolume, create snapshot and delete subvolume all use btrfssubvolumereservemetadata to reserve metadata for the changes done to the parent subvolume's f...