Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jbd2: fixed data-race and null-ptr-deref in jbd2journaldirtymetadata Since handle-htransaction may be a NULL pointer, we should change it by calling ishandleabortedhandle before dereferencing it. The following data-race was...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for the double decrement of the dirty clusters count during shutdown. The fstests test for generic/388 occasionally produces a warning in ext4putsuper, associated with the count of dirty clusters: WARNING: CPU: 7; PID:...

SUSE CVE-2026-45920

In the Linux kernel, the following vulnerability has been resolved: ext4: fix dirtyclusters double decrement on fs shutdown fstests test generic/388 occasionally reproduces a warning in ext4putsuper associated with the dirty clusters count: WARNING: CPU: 7 PID: 76064 at fs/ext4/super.c:1324...

SUSE CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

UBUNTU-CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

CVE-2026-23157 btrfs: do not strictly require dirty metadata threshold for metadata writepages

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

CVE-2026-23157

CVE-2026-23157 is a Linux kernel vulnerability affecting the btrfs metadata writeback path. The issue occurs in the balance between dirty pages and a cgroup/global dirty limit, where an internal 32 MiB threshold for btrfs btree inode writeback prevents progress when the cgroup’s dirty pages excee...

Linux Distros Unpatched Vulnerability : CVE-2026-23157

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002840)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002840 advisory. A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2journaldirtymetadata, a denial of service, and a system...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Ensure that no dirty metadata is written back for a file system with errors. BUG During the development of a minor feature make sure that all btrfsbio::endio calls are performed in a task context, I noticed a crash in...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992944)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992944 advisory. In the Linux kernel, the following vulnerability has been resolved: jbd2: fix assertion 'jh-bfrozendata == NULL' failure when journal aborted Following process will...

btrfs: ensure no dirty metadata is written back for an fs with errors

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DEBIAN-CVE-2025-40303

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure no dirty metadata is written back for an fs with errors BUG During development of a minor feature make sure all btrfsbio::endio is called in task context, I noticed a crash in generic/388, where metadata writes...

UBUNTU-CVE-2025-40303

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure no dirty metadata is written back for an fs with errors BUG During development of a minor feature make sure all btrfsbio::endio is called in task context, I noticed a crash in generic/388, where metadata writes...

CVE-2025-40303

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure no dirty metadata is written back for an fs with errors BUG During development of a minor feature make sure all btrfsbio::endio is called in task context, I noticed a crash in generic/388, where metadata writes...

CVE-2025-40303 btrfs: ensure no dirty metadata is written back for an fs with errors

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure no dirty metadata is written back for an fs with errors BUG During development of a minor feature make sure all btrfsbio::endio is called in task context, I noticed a crash in generic/388, where metadata writes...

CVE-2025-40303

CVE-2025-40303 affects the Linux kernel’s Btrfs: when the filesystem is in an error state, dirty metadata may be written back due to pending in-memory metadata and a stopped workqueue path. The root cause is that, if an error occurs, no new transactions are allowed and dirty folios in the btrie i...

CVE-2025-40303 btrfs: ensure no dirty metadata is written back for an fs with errors

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure no dirty metadata is written back for an fs with errors BUG During development of a minor feature make sure all btrfsbio::endio is called in task context, I noticed a crash in generic/388, where metadata writes...