The vulnerability of the Linux operating system’s kernel quota component, which allows a hacker to trigger a service failure

The vulnerability of the Linux kernel’s quota component is related to improper blocking of resources in the dquotwritebackdquots function. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2025-23132

In the Linux kernel, the following vulnerability has been resolved: f2fs: quota: fix to avoid warning in dquotwritebackdquots F2FS-fs dm-59: checkpoint=enable has some unwritten data. ------------ cut here ------------ WARNING: CPU: 6 PID: 8013 at fs/quota/dquot.c:691...

CVE-2025-23132 f2fs: quota: fix to avoid warning in dquot_writeback_dquots()

In the Linux kernel, the following vulnerability has been resolved: f2fs: quota: fix to avoid warning in dquotwritebackdquots F2FS-fs dm-59: checkpoint=enable has some unwritten data. ------------ cut here ------------ WARNING: CPU: 6 PID: 8013 at fs/quota/dquot.c:691...

CVE-2025-23132

CVE-2025-23132 affects the Linux kernel, specifically the F2FS quota path. The root cause is a race between quota writeback and checkpoint/remount/freeze/quotactl paths, which can trigger a warning in dquot_writeback_dquots() when the s_umount lock is not consistently held. The provided connected...