SUSE CVE-2025-68807

In the Linux kernel, the following vulnerability has been resolved: block: fix race between wbtenabledefault and IO submission When wbtenabledefault is moved out of queue freezing in elevatorchange, it can cause the wbt inflight counter to become negative -1, leading to hung tasks in the writebac...

CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002627)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002627 advisory. The tracewritebackdirtypage implementation in include/trace/events/writeback.h in the Linux kernel before 4.4 improperly interacts with mm/migrate.c, which allows...

SUSE CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

CVE-2025-68807

In the Linux kernel, the following vulnerability has been resolved: block: fix race between wbtenabledefault and IO submission When wbtenabledefault is moved out of queue freezing in elevatorchange, it can cause the wbt inflight counter to become negative -1, leading to hung tasks in the writebac...

UBUNTU-CVE-2025-68807

In the Linux kernel, the following vulnerability has been resolved: block: fix race between wbtenabledefault and IO submission When wbtenabledefault is moved out of queue freezing in elevatorchange, it can cause the wbt inflight counter to become negative -1, leading to hung tasks in the writebac...

AZL-74387 CVE-2025-68772 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

UBUNTU-CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

CVE-2025-68807

CVE-2025-68807 concerns a race in the Linux kernel involving wbt_enable_default and IO submission that could lead to a negative inflight writeback counter and hung tasks. According to Red Hat, SUSE, Ubuntu, Debian, and other sources, the fix splits wbt_enable_default() into three functions (__wbt...

CVE-2025-68807 block: fix race between wbt_enable_default and IO submission

In the Linux kernel, the following vulnerability has been resolved: block: fix race between wbtenabledefault and IO submission When wbtenabledefault is moved out of queue freezing in elevatorchange, it can cause the wbt inflight counter to become negative -1, leading to hung tasks in the writebac...

CVE-2025-68807 block: fix race between wbt_enable_default and IO submission

In the Linux kernel, the following vulnerability has been resolved: block: fix race between wbtenabledefault and IO submission When wbtenabledefault is moved out of queue freezing in elevatorchange, it can cause the wbt inflight counter to become negative -1, leading to hung tasks in the writebac...

CVE-2025-68772 f2fs: fix to avoid updating compression context during writeback

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

CVE-2025-68772 f2fs: fix to avoid updating compression context during writeback

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

CVE-2025-68772

The CVE-2025-68772 entry relates to the Linux kernel f2fs subsystem. The issue arises during writeback when compression context is updated for a possibly compressed file, leading to a race where i_cluster_size may be inconsistent (0 vs 4) and can trigger a divide-by-zero in f2fs_all_cluster_page_...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs: quota: creating a dedicated workqueue for quotareleasework There is a kernel panic due to WARNONCE when paniconwarn is set. This issue occurs when writeback is triggered due to a sync call for an opened file i.e., the reason...

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...

PT-2026-2539

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists between wbt enable default and IO submission within the Linux kernel's block subsystem. Moving wbt enable default out of queue freezing can lead to a negative...