{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68336","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-16T14:48:05.297Z","datePublished":"2025-12-22T16:14:13.425Z","dateUpdated":"2026-05-11T21:51:13.269Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:51:13.269Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nlocking/spinlock/debug: Fix data-race in do_raw_write_lock\n\nKCSAN reports:\n\nBUG: KCSAN: data-race in do_raw_write_lock / do_raw_write_lock\n\nwrite (marked) to 0xffff800009cf504c of 4 bytes by task 1102 on cpu 1:\n do_raw_write_lock+0x120/0x204\n _raw_write_lock_irq\n do_exit\n call_usermodehelper_exec_async\n ret_from_fork\n\nread to 0xffff800009cf504c of 4 bytes by task 1103 on cpu 0:\n do_raw_write_lock+0x88/0x204\n _raw_write_lock_irq\n do_exit\n call_usermodehelper_exec_async\n ret_from_fork\n\nvalue changed: 0xffffffff -> 0x00000001\n\nReported by Kernel Concurrency Sanitizer on:\nCPU: 0 PID: 1103 Comm: kworker/u4:1 6.1.111\n\nCommit 1a365e822372 (\"locking/spinlock/debug: Fix various data races\") has\nadressed most of these races, but seems to be not consistent/not complete.\n\n>From do_raw_write_lock() only debug_write_lock_after() part has been\nconverted to WRITE_ONCE(), but not debug_write_lock_before() part.\nDo it now."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/locking/spinlock_debug.c"],"versions":[{"version":"1a365e822372ba24c9da0822bc583894f6f3d821","lessThan":"8e5b2cf10844402054b52b489b525dc30cc16908","status":"affected","versionType":"git"},{"version":"1a365e822372ba24c9da0822bc583894f6f3d821","lessThan":"c228cb699a07a5f2d596d186bc5c314c99bb8bbf","status":"affected","versionType":"git"},{"version":"1a365e822372ba24c9da0822bc583894f6f3d821","lessThan":"93bd23524d63deb80fb85beb2e43fafeb1043d0f","status":"affected","versionType":"git"},{"version":"1a365e822372ba24c9da0822bc583894f6f3d821","lessThan":"39d2ef113416f1a4205b03fb0aa2e428d1412c77","status":"affected","versionType":"git"},{"version":"1a365e822372ba24c9da0822bc583894f6f3d821","lessThan":"b163a5e8c703201c905d6ec7920ed79d167e8442","status":"affected","versionType":"git"},{"version":"1a365e822372ba24c9da0822bc583894f6f3d821","lessThan":"16b3590c0e1e615757dade098c8fbc0d4f040c76","status":"affected","versionType":"git"},{"version":"1a365e822372ba24c9da0822bc583894f6f3d821","lessThan":"396a9270a7b90886be501611b13aa636f2e8c703","status":"affected","versionType":"git"},{"version":"1a365e822372ba24c9da0822bc583894f6f3d821","lessThan":"c14ecb555c3ee80eeb030a4e46d00e679537f03a","status":"affected","versionType":"git"},{"version":"3106fb78d3579c8e9c9b3040f7f7841981919624","status":"affected","versionType":"git"},{"version":"c0911024ff927ba5c4786b507004cb615be1d776","status":"affected","versionType":"git"},{"version":"09226e5c38639437565af01e6009a9286a351d04","status":"affected","versionType":"git"},{"version":"c7673f01604fa722b9d7c1e29e17cec1b8ae09c5","status":"affected","versionType":"git"},{"version":"c120c3dbeb76305235c8e557f84d9e2d7d0f5933","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/locking/spinlock_debug.c"],"versions":[{"version":"5.5","status":"affected"},{"version":"0","lessThan":"5.5","status":"unaffected","versionType":"semver"},{"version":"5.10.248","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.198","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.160","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.120","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.62","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.12","lessThanOrEqual":"6.17.*","status":"unaffected","versionType":"semver"},{"version":"6.18.1","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.248"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.15.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.12.62"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.17.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.18.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.164"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.11"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8e5b2cf10844402054b52b489b525dc30cc16908"},{"url":"https://git.kernel.org/stable/c/c228cb699a07a5f2d596d186bc5c314c99bb8bbf"},{"url":"https://git.kernel.org/stable/c/93bd23524d63deb80fb85beb2e43fafeb1043d0f"},{"url":"https://git.kernel.org/stable/c/39d2ef113416f1a4205b03fb0aa2e428d1412c77"},{"url":"https://git.kernel.org/stable/c/b163a5e8c703201c905d6ec7920ed79d167e8442"},{"url":"https://git.kernel.org/stable/c/16b3590c0e1e615757dade098c8fbc0d4f040c76"},{"url":"https://git.kernel.org/stable/c/396a9270a7b90886be501611b13aa636f2e8c703"},{"url":"https://git.kernel.org/stable/c/c14ecb555c3ee80eeb030a4e46d00e679537f03a"}],"title":"locking/spinlock/debug: Fix data-race in do_raw_write_lock","x_generator":{"engine":"bippy-1.2.0"}}}}