{"id":"CVE-2026-43308","state":"PUBLISHED","title":"btrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()","description":"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.","publishedAt":"2026-05-08T13:11:26.937Z","updatedAt":"2026-10-30T12:25:24.107Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"c614b64bee2c3cbb0c80dd3a9ee492c74364e275","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"0e77f1c8ebf5b1f858b5ac613baceb79919d6d3f","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"a5ac87aabdedd31e832b40466605e83f428136aa","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"6ad4caadc6343c3d7987bf3211f15d66135c4c42","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"5549743e11c06da23cfa7712a994b9f1e69064c6","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"c7d1d4ff56744074e005771aff193b927392d51f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/extent-tree.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.31","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.31","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/extent-tree.c"]}],"references":["https://git.kernel.org/stable/c/c614b64bee2c3cbb0c80dd3a9ee492c74364e275","https://git.kernel.org/stable/c/0e77f1c8ebf5b1f858b5ac613baceb79919d6d3f","https://git.kernel.org/stable/c/a5ac87aabdedd31e832b40466605e83f428136aa","https://git.kernel.org/stable/c/6ad4caadc6343c3d7987bf3211f15d66135c4c42","https://git.kernel.org/stable/c/5549743e11c06da23cfa7712a994b9f1e69064c6","https://git.kernel.org/stable/c/c7d1d4ff56744074e005771aff193b927392d51f"],"weaknesses":[],"ingestedAt":"2026-10-30T12:42:04.495Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43308.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43308","state":"PUBLISHED","datePublished":"2026-05-08T13:11:26.937Z","dateUpdated":"2026-10-30T12:25:24.107Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:56.000Z"},"containers":{"cna":{"title":"btrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"c614b64bee2c3cbb0c80dd3a9ee492c74364e275","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"0e77f1c8ebf5b1f858b5ac613baceb79919d6d3f","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"a5ac87aabdedd31e832b40466605e83f428136aa","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"6ad4caadc6343c3d7987bf3211f15d66135c4c42","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"5549743e11c06da23cfa7712a994b9f1e69064c6","versionType":"git"},{"version":"5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0","status":"affected","lessThan":"c7d1d4ff56744074e005771aff193b927392d51f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/extent-tree.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.31","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.31","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/extent-tree.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:25:24.107Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}