CVE-2025-68336

In the Linux kernel, the following vulnerability has been resolved: locking/spinlock/debug: Fix data-race in do_raw_write_lock KCSAN reports: BUG: KCSAN: data-race in do_raw_write_lock / do_raw_write_lock write (marked) to 0xffff800009cf504c of 4 bytes by task 1102 on cpu 1: do_raw_write_lock+0x120/0x204 _raw_write_lock_irq do_exit call_usermodehelper_exec_async ret_from_fork read to 0xffff800009cf504c of 4 bytes by task 1103 on cpu 0: do_raw_write_lock+0x88/0x204 _raw_write_lock_irq do_exit call_usermodehelper_exec_async ret_from_fork value changed: 0xffffffff -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 1103 Comm: kworker/u4:1 6.1.111 Commit 1a365e822372 ("locking/spinlock/debug: Fix various data races") has adressed most of these races, but seems to be not consistent/not complete. >From do_raw_write_lock() only debug_write_lock_after() part has been converted to WRITE_ONCE(), but not debug_write_lock_before() part. Do it now.
Configurations

No configuration.

History

30 Jul 2026, 06:24

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.5

19 Jan 2026, 13:16

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/8e5b2cf10844402054b52b489b525dc30cc16908 -
  • () https://git.kernel.org/stable/c/c228cb699a07a5f2d596d186bc5c314c99bb8bbf -

11 Jan 2026, 17:15

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/39d2ef113416f1a4205b03fb0aa2e428d1412c77 -
  • () https://git.kernel.org/stable/c/93bd23524d63deb80fb85beb2e43fafeb1043d0f -

22 Dec 2025, 17:16

Type Values Removed Values Added
New CVE

Information

Published : 2025-12-22 17:16

Updated : 2026-07-30 06:24


NVD link : CVE-2025-68336

Mitre link : CVE-2025-68336

CVE.ORG link : CVE-2025-68336


JSON object : View

Products Affected

No product.

CWE

No CWE.