CVE-2026-98538

A flaw was found in the Linux kernel's writeback subsystem. This flaw allows a local user to cause a Denial of Service DoS by triggering prolonged processor stalls. When the kernel cleans up offline control group writeback structures with a large number of cached files, it repeatedly rescans...

CVE-2026-98536

A flaw was found in the Linux kernel's writeback subsystem. This vulnerability can lead to a Denial of Service DoS when the routine responsible for cleaning up offline control group writeback structures fails to report a quiescent state during extended cleanup passes under certain preemption...

CVE-2026-31703

A flaw was found in the Linux kernel. A use-after-free vulnerability exists in the inodeswitchwbsworkfn function, part of the kernel's writeback subsystem. This issue arises when a work item remains active after its associated memory object wb has been released, leading to system instability. An...

Linux fs-writeback Heap Buffer Overflow DoS

The vulnerability of the inodecgwbmovetoattached function in the fs/fs-writeback.c component of Linux operating systems is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the...