Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fix the race condition between the quota enable operation and the quota rescan ioctl call. When enabling quotas, in the btrfsquotaenable function, after committing the transaction, we update fsinfo-quotaroot to point to th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed the bug in estreesearch Hulk Robot reported a BUG: kernel BUG at fs/ext4/extentsstatus.c:199! ... RIP: 0010:ext4esend fs/ext4/extentsstatus.c:199 inline RIP: 0010:estreesearch+0x1e0/0x260 fs/ext4/extentsstatus.c:21...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fix for invalid leaf access in btrfsquotaenable if the ref key is not found. If btrfssearchslotforread returns 1, it means that we did not find any key that is greater than or equal to the key we requested. This means that...

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,...

EUVD-2026-32258

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

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...

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 btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found

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 btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found

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...

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...

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...

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...

The vulnerability of the btrfs_quota_enable() function in the fs/btrfs/qgroup.c module of the file system support module for Linux kernel allows a malicious actor to trigger a service failure.

The vulnerability of the btrfsquotaenable function in the fs/btrfs/qgroup.c module of the file system support for the Linux operating system is related to improper control of resource identifiers “resource injection”. Exploiting this vulnerability could allow an attacker to cause a service failur...

The vulnerability of the btrfs_quota_enable() function in the fs/btrfs/qgroup.c module of the file system Btrfs in the Linux kernel allows a malicious actor to trigger a service failure.

The vulnerability of the btrfsquotaenable function in the fs/btrfs/qgroup.c module of the btrfs file system in Linux kernels is related to the reutilization of previously released memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

PT-2026-43841

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the btrfs component where the btrfs quota enable function may perform an invalid leaf access. This occurs when the btrfs search slot for read function returns 1,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-993010)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993010 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...

SUSE 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...

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...

UBUNTU-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...