{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43308","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:56.000Z","datePublished":"2026-05-08T13:11:26.937Z","dateUpdated":"2026-11-06T15:42:47.611Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-30T12:25:24.107Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()\n\nThere is no need to BUG(), we can just return an error and log an error\nmessage."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/extent-tree.c"],"versions":[{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","lessThan":"c614b64bee2c3cbb0c80dd3a9ee492c74364e275","status":"affected","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","lessThan":"0e77f1c8ebf5b1f858b5ac613baceb79919d6d3f","status":"affected","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","lessThan":"a5ac87aabdedd31e832b40466605e83f428136aa","status":"affected","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","lessThan":"6ad4caadc6343c3d7987bf3211f15d66135c4c42","status":"affected","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","lessThan":"5549743e11c06da23cfa7712a994b9f1e69064c6","status":"affected","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","lessThan":"c7d1d4ff56744074e005771aff193b927392d51f","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/extent-tree.c"],"versions":[{"version":"2.6.31","status":"affected"},{"version":"0","lessThan":"2.6.31","status":"unaffected","versionType":"semver"},{"version":"6.1.191","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.114","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.57","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.6","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"2.6.31","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c614b64bee2c3cbb0c80dd3a9ee492c74364e275"},{"url":"https://git.kernel.org/stable/c/0e77f1c8ebf5b1f858b5ac613baceb79919d6d3f"},{"url":"https://git.kernel.org/stable/c/a5ac87aabdedd31e832b40466605e83f428136aa"},{"url":"https://git.kernel.org/stable/c/6ad4caadc6343c3d7987bf3211f15d66135c4c42"},{"url":"https://git.kernel.org/stable/c/5549743e11c06da23cfa7712a994b9f1e69064c6"},{"url":"https://git.kernel.org/stable/c/c7d1d4ff56744074e005771aff193b927392d51f"}],"title":"btrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-43308","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-11-06T15:34:57.010242Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-06T15:42:47.611Z"}}]}}