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...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There is a race between a task that disables quotas and another task that runs the rescan ioctl. This can lead to a use-after-free of qgroup records from the...

EUVD-2025-28953

Malicious code in bioql PyPI...

AZL-67205 CVE-2025-39759 affecting package kernel for versions less than 6.6.104.2-1

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 result in a use-after-free of qgroup records from the...

CVE-2025-39759 btrfs: qgroup: fix race between quota disable and quota rescan ioctl

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 result in a use-after-free of qgroup records from the...

CVE-2025-39759

CVE-2025-39759 affects the Linux kernel’s btrfs quota subsystem. A race between disabling quotas and running btrfs_ioctl_quota_rescan() can lead to a use-after-free of qgroup records in fs_info->qgroup_tree due to Task B freeing qgroups without holding fs_info->qgroup_lock while Task A iter...