{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43393", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.007Z", "datePublished": "2026-05-08T14:21:37.368Z", "dateUpdated": "2026-05-08T14:21:37.368Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-08T14:21:37.368Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()\n\nFix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL,\nwe're not freeing the chunk map that we've just looked up."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/btrfs/volumes.c"], "versions": [{"version": "0ae653fbec2b9fbc72c65a0c99528990bfb2136d", "lessThan": "0e4aaf5a3212b6a469c2489637c29a8e2a5062a5", "status": "affected", "versionType": "git"}, {"version": "0ae653fbec2b9fbc72c65a0c99528990bfb2136d", "lessThan": "7bdf00ed75c477252578068dba19934cd825f20a", "status": "affected", "versionType": "git"}, {"version": "0ae653fbec2b9fbc72c65a0c99528990bfb2136d", "lessThan": "4f90c5c2698383984102401b1724b0b67da832ab", "status": "affected", "versionType": "git"}, {"version": "0ae653fbec2b9fbc72c65a0c99528990bfb2136d", "lessThan": "f15fb3d41543244d1179f423da4a4832a55bc050", "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/volumes.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "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": "6.12", "versionEndExcluding": "6.12.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5"}, {"url": "https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a"}, {"url": "https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab"}, {"url": "https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050"}], "title": "btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()\n\nFix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL,\nwe're not freeing the chunk map that we've just looked up."}], "id": "CVE-2026-43393", "lastModified": "2026-05-08T15:16:50.693", "metrics": {}, "published": "2026-05-08T15:16:50.693", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ae653fbec2b9fbc72c65a0c99528990bfb2136d,0e4aaf5a3212b6a469c2489637c29a8e2a5062a5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ae653fbec2b9fbc72c65a0c99528990bfb2136d,7bdf00ed75c477252578068dba19934cd825f20a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ae653fbec2b9fbc72c65a0c99528990bfb2136d,4f90c5c2698383984102401b1724b0b67da832ab)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ae653fbec2b9fbc72c65a0c99528990bfb2136d,f15fb3d41543244d1179f423da4a4832a55bc050)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.78,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.19,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.19.9,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-08T17:15:16.438814+00:00", "updated": "2026-05-08T19:00:11.230013+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401"]}