Astra Linux – Vulnerability found in Linux 5.15, 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...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a deadlock between the quota disable process and the qgroup rescan worker process. The quota disable ioctl initiates a transaction before waiting for the qgroup rescan worker to complete. However, this wait can be...

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 – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition when deleting the quota root from the “dirtycowonlyroots” list. When disabling quotas, we delete the quota root from the fsinfo-dirtycowonlyroots list without locking it, which requires the protectio...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989606)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989606 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between quota disable and qgroup rescan worker Quota disable ioctl starts a...

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-2025-989578)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989578 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix quota root leak after quota disable failure If during the quota disable we fai...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990243)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990243 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix quota root leak after quota disable failure If during the quota disable we fai...

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...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986969)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986969 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between quota disable and qgroup rescan worker Quota disable ioctl starts a...

EUVD-2025-28953

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2025-39759

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 c...

SUSE CVE-2025-39759

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...

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

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...

DEBIAN-CVE-2025-39759

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...

UBUNTU-CVE-2025-39759

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...

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...