CVE-2026-45934

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix EEXIST abort due to non-consecutive gaps in chunk allocation I have been observing a number of systems aborting at insertdevextents in btrfscreatependingblockgroups. The following is a sample stack trace of such an abo...

UBUNTU-CVE-2026-45934

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix EEXIST abort due to non-consecutive gaps in chunk allocation I have been observing a number of systems aborting at insertdevextents in btrfscreatependingblockgroups. The following is a sample stack trace of such an abo...

CVE-2026-45934 btrfs: fix EEXIST abort due to non-consecutive gaps in chunk allocation

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix EEXIST abort due to non-consecutive gaps in chunk allocation I have been observing a number of systems aborting at insertdevextents in btrfscreatependingblockgroups. The following is a sample stack trace of such an abo...

CVE-2026-45934

CVE-2026-45934 covers a Linux kernel btrfs issue where non-consecutive gaps in chunk allocation can create overlapping chunk maps, leading to aborts of filesystem operations (e.g., insert_dev_extents in btrfs_create_pending_block_groups) and a DoS-like effect. Public records describe the root cau...

PT-2026-43801

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue in the btrfs file system can lead to a transaction abort with an EEXIST error Object already exists during chunk allocation. This occurs due to non-consecutive gaps in chunk...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition related to block group refcounts in btrfscreatependingblockgroups. The creation of block groups occurs in two phases, resulting in a somewhat unintuitive behavior: A block group can be...

CVE-2025-40100

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not assert we found block group item when creating free space tree Currently, when building a free space tree at populatefreespacetree, if we are not using the block group tree feature, we always expect to find block...

UBUNTU-CVE-2023-53187

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_7

This update for kernel-livepatch-MICRO-6-0-RTUpdate7 fixes the following issues: CVE-2025-22115: btrfs: fix block group refcount race in btrfscreatependingblockgroups bsc1241579 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or...

UBUNTU-CVE-2025-22115

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix block group refcount race in btrfscreatependingblockgroups Block group creation is done in two phases, which results in a slightly unintuitive property: a block group can be allocated/deallocated from after...