OESA-2026-2674 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There's a race between a task disabling quotas and another running the rescan ioctl that can...

SUSE CVE-2026-45974

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the...

CVE-2026-45974

A flaw was found in the Linux kernel's btrfs filesystem. The btrfsquotaenable function contains a logic error where it attempts to access an invalid memory location if a specific key is not found during a search operation. This incorrect handling of search results can lead to invalid leaf access,...

CVE-2026-45974

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the...

CVE-2026-45974

Summary: CVE-2026-45974 affects the Linux kernel btrfs quota handling. A logic error in btrfs_quota_enable() can cause invalid leaf access if the search key is not found, potentially allowing instability or DoS. The root cause is improper handling when btrfs_search_slot_for_read() returns 1 (no k...

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 accessing invalid leaf nodes when a reference key is not found in btrfsquotaenable, potentially...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition between quota rescan and disabling quotas, which could lead to a NULL pointer derefrence. If one task attempts to start the quota rescan worker while another task attempts to disable quotas, we can e...

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...

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...

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 fact that the btrfs quota group’s ioctl does not reserve transaction space. Instead, it only...

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues The following security issues were fixed: CVE-2024-26584: net/tls: return ENOTSUPP on tlsinit bsc1220186. CVE-2025-38234: sched/rt: Fix race in pushrttask bsc1246057. CVE-2025-39759: btrfs: qgroup: fix race between...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-007498)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007498 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between quota enable and quota rescan ioctl When enabling quotas, at...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992390)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992390 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between quota enable and quota rescan ioctl When enabling quotas, at...

UBUNTU-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-2023-54032

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race when deleting quota root from the dirty cow roots list When disabling quotas we are deleting the quota root from the list fsinfo-dirtycowonlyroots without taking the lock that protects it, which is struct...

Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-41078)

btrfs: qgroup: quota root leak after quota disable failure. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid504699; scriptversion"1.3";...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989425)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989425 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between quota rescan and disable leading to NULL pointer deref If we have one ta...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986883)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986883 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between quota rescan and disable leading to NULL pointer deref If we have one ta...

Linux Distros Unpatched Vulnerability : CVE-2022-50379

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix race between quota enable and quota rescan ioctl When enabling quotas, at btrfsquotaenable, after committing the transaction, we change...

DEBIAN-CVE-2022-50379

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between quota enable and quota rescan ioctl When enabling quotas, at btrfsquotaenable, after committing the transaction, we change fsinfo-quotaroot to point to the quota root we created and set BTRFSFSQUOTAENABLED...