CVE-2026-46256

CVE-2026-46256 refers to a Linux kernel flaw in the NFS LOCALIO optimization. The issue allows a recursion deadlock during direct reclaim when writing pages back into NFS via nfs_writepages, potentially affecting NFS loopback paths where LOCALIO is used on the same system. The root cause is that ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed the bug in ext4writepages. We encountered the following issue: EXT4-fs error device loop0: ext4mbgeneratebuddy: 1141; group 0; block bitmap and bg descriptor inconsistent: 25 vs 31513 free cls. ------------ Cut here -...

AZL-77820 CVE-2026-23157 affecting package kernel 6.6.126.1-1

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

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...

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...

PT-2026-8152

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.18 Description The Linux kernel contains a flaw in the btrfs subsystem related to dirty metadata page handling. Specifically, the kernel may strictly require a dirty metadata threshold for metadata writepages,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987593)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987593 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in ext4writepages we got issue as follows: EXT4-fs error device loop0:...

EUVD-2023-59818

Malicious code in bioql PyPI...

SUSE CVE-2023-53149

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...

CVE-2023-53149

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...

AZL-70771 CVE-2023-53149 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...

CVE-2023-53149 ext4: avoid deadlock in fs reclaim with page writeback

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...

CVE-2023-53149

CVE-2023-53149 concerns the Linux kernel ext4 filesystem. The issue arises from a filesystem-wide lock protecting ext4_writepages() that can deadlock during fs reclaim initiated by page writeback, due to a recursion scenario where ext4_writepages() attempts to acquire sbi->s_writepages_rwsem w...

SUSE CVE-2022-49347

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in ext4writepages we got issue as follows: EXT4-fs error device loop0: ext4mbgeneratebuddy:1141: group 0, block bitmap and bg descriptor inconsistent: 25 vs 31513 free cls ------------ cut here ------------ kernel...

DEBIAN-CVE-2022-49347

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in ext4writepages we got issue as follows: EXT4-fs error device loop0: ext4mbgeneratebuddy:1141: group 0, block bitmap and bg descriptor inconsistent: 25 vs 31513 free cls ------------ cut here ------------ kernel...

UBUNTU-CVE-2022-49347

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in ext4writepages we got issue as follows: EXT4-fs error device loop0: ext4mbgeneratebuddy:1141: group 0, block bitmap and bg descriptor inconsistent: 25 vs 31513 free cls ------------ cut here ------------ kernel...

CVE-2022-49347

CVE-2022-49347 concerns a Linux kernel issue in ext4 where a bug_on can trigger during ext4_writepages in delay allocation mode when inline data has been converted to an extent. The root cause described across the provided documents is a race: inline data may be destroyed before ext4_writepages r...

CVE-2022-49347

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in ext4writepages we got issue as follows: EXT4-fs error device loop0: ext4mbgeneratebuddy:1141: group 0, block bitmap and bg descriptor inconsistent: 25 vs 31513 free cls ------------ cut here ------------ kernel...