CVE-2026-23232 — Improper Locking in Linux

CWE-667 — Improper Locking6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
LinuxLinux Kernel
Timeline
PublishedMar 4

Description

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - write_begin - lock_page --- lock A - prepare_write_begin - f2fs_map_lock - f2fs_enable_checkpoint - down_write(cp_enable_rwsem) --- lock B - sync_inode_sb - writepages - lock_page --- lock A - down_read(cp_enable_rwsem) --- lock …

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶NVDlinux/linux_kernel6.19 — 6.19.3
▶CVEListV5linux/linux196c81fdd438f7ac429d5639090a9816abb9760a — b6382273801bc7c778545dd8004c9a9d750b4f62+2

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

3
CVEList
Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()"↗2026-03-04
▶
GHSA
GHSA-wmj7-xrrh-r2gj: In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()" This revert↗2026-03-04
▶
OSV
CVE-2026-23232: In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()" This reverts↗2026-03-04
▶

📋Vendor Advisories

2
Red Hat
kernel: Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()"↗2026-03-04
▶
Debian
CVE-2026-23232: linux - In the Linux kernel, the following vulnerability has been resolved: Revert "f2f...↗2026
▶
CVE-2026-23232 — Improper Locking in Linux | cvebase