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: btrfs: Reinitialize the delayed ref list after deleting it from the list. In the insertdelayedref function, if we need to update the action of an existing ref to BTRFSDROPDELAYEDREF, we delete the ref from its refhead’s refaddlis...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Always report an error in runonedelayedref. Currently, we have a btrfsdebug function for handling failures in runonedelayedref. However, if end users encounter such problems, there will be no chance that btrfsdebug is...

SUSE CVE-2026-74321

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid pointer dereference in btrfsrundelayedrefs In the beginning of the loop, we try to obtain a locked delayed ref head, if 'lockedref' is currently NULL, by calling btrfsselectrefhead, which can return an error...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-104560)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104560 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid pointer dereference in btrfsrundelayedrefs In the beginning of the loop, we t...

CVE-2026-74321

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid pointer dereference in btrfsrundelayedrefs In the beginning of the loop, we try to obtain a locked delayed ref head, if 'lockedref' is currently NULL, by calling btrfsselectrefhead, which can return an error...

UBUNTU-CVE-2026-74321

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid pointer dereference in btrfsrundelayedrefs In the beginning of the loop, we try to obtain a locked delayed ref head, if 'lockedref' is currently NULL, by calling btrfsselectrefhead, which can return an error...

CVE-2026-74321 btrfs: fix invalid pointer dereference in __btrfs_run_delayed_refs()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid pointer dereference in btrfsrundelayedrefs In the beginning of the loop, we try to obtain a locked delayed ref head, if 'lockedref' is currently NULL, by calling btrfsselectrefhead, which can return an error...

SUSE CVE-2026-43338

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

EUVD-2026-28622

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

AZL-86115 CVE-2026-43338 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

UBUNTU-CVE-2026-43338

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

CVE-2026-43338

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

CVE-2026-43338

CVE-2026-43338 affects the Linux kernel with the Btrfs filesystem. The issue arises because qgroup ioctls do not reserve transaction space, allowing -ENOSPC scenarios during quota-tree updates and delayed refs, which can abort transactions and enable a DoS condition. Vendors have published adviso...

CVE-2026-43338

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

CVE-2026-43338 btrfs: reserve enough transaction items for qgroup ioctls

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

PT-2026-38989

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Btrfs file system where qgroup ioctls do not reserve sufficient space for transaction items. Instead, they perform a transaction join, which fails to reserve space...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-381637)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-381637 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: reinitialize delayed ref list after deleting it from the list At insertdelayedref if we ne...

AZL-73938 CVE-2025-39738 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not allow relocation of partially dropped subvolumes BUG There is an internal report that balance triggered transaction abort, with the following call trace: item 85 key 594509824 169 0 itemoff 12599 itemsize 33 extent...

SUSE CVE-2022-49761

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...

UBUNTU-CVE-2022-49761

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...