{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23043","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.944Z","datePublished":"2026-02-04T16:00:26.353Z","dateUpdated":"2026-05-11T21:58:53.815Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:58:53.815Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix NULL pointer dereference in do_abort_log_replay()\n\nCoverity reported a NULL pointer dereference issue (CID 1666756) in\ndo_abort_log_replay(). When btrfs_alloc_path() fails in\nreplay_one_buffer(), wc->subvol_path is NULL, but btrfs_abort_log_replay()\ncalls do_abort_log_replay() which unconditionally dereferences\nwc->subvol_path when attempting to print debug information. Fix this by\nadding a NULL check before dereferencing wc->subvol_path in\ndo_abort_log_replay()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/tree-log.c"],"versions":[{"version":"2753e49176240f21e4bb10e03514f99e732704bb","lessThan":"6d1b61b8e1e44888c643d89225ab819b10649b2e","status":"affected","versionType":"git"},{"version":"2753e49176240f21e4bb10e03514f99e732704bb","lessThan":"530e3d4af566ca44807d79359b90794dea24c4f3","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/tree-log.c"],"versions":[{"version":"6.18","status":"affected"},{"version":"0","lessThan":"6.18","status":"unaffected","versionType":"semver"},{"version":"6.18.6","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":"6.18","versionEndExcluding":"6.18.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/6d1b61b8e1e44888c643d89225ab819b10649b2e"},{"url":"https://git.kernel.org/stable/c/530e3d4af566ca44807d79359b90794dea24c4f3"}],"title":"btrfs: fix NULL pointer dereference in do_abort_log_replay()","x_generator":{"engine":"bippy-1.2.0"}}}}