{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43066","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.981Z","datePublished":"2026-05-05T15:23:25.984Z","dateUpdated":"2026-05-11T22:17:03.438Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:17:03.438Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix iloc.bh leak in ext4_fc_replay_inode() error paths\n\nDuring code review, Joseph found that ext4_fc_replay_inode() calls\next4_get_fc_inode_loc() to get the inode location, which holds a\nreference to iloc.bh that must be released via brelse().\n\nHowever, several error paths jump to the 'out' label without\nreleasing iloc.bh:\n\n - ext4_handle_dirty_metadata() failure\n - sync_dirty_buffer() failure\n - ext4_mark_inode_used() failure\n - ext4_iget() failure\n\nFix this by introducing an 'out_brelse' label placed just before\nthe existing 'out' label to ensure iloc.bh is always released.\n\nAdditionally, make ext4_fc_replay_inode() propagate errors\nproperly instead of always returning 0."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/fast_commit.c"],"versions":[{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","lessThan":"0892f12cd49fde5d5db68137923db107f894f3a3","status":"affected","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","lessThan":"5a63033696e60b5d70816f1d119645ac5b0b0a03","status":"affected","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","lessThan":"9c90449a9ac2cd1ba540ad2561b8b70c1bfb0a25","status":"affected","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","lessThan":"ca99cbcc316cdfd2040cc2b13d1426ccb3b3b50b","status":"affected","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","lessThan":"19782b4c793b49a6aa4abbb307ddff3610009d21","status":"affected","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","lessThan":"f7817ad399d604e8639005d87d148b5ec626ad26","status":"affected","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","lessThan":"c426231e3d51916e83b6d1ab7ed8a65e83bca5b4","status":"affected","versionType":"git"},{"version":"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2","lessThan":"ec0a7500d8eace5b4f305fa0c594dd148f0e8d29","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/ext4/fast_commit.c"],"versions":[{"version":"5.10","status":"affected"},{"version":"0","lessThan":"5.10","status":"unaffected","versionType":"semver"},{"version":"5.10.253","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.168","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.131","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.80","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.21","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.11","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":"5.10","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.1.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.6.131"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.12.80"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.18.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.19.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0892f12cd49fde5d5db68137923db107f894f3a3"},{"url":"https://git.kernel.org/stable/c/5a63033696e60b5d70816f1d119645ac5b0b0a03"},{"url":"https://git.kernel.org/stable/c/9c90449a9ac2cd1ba540ad2561b8b70c1bfb0a25"},{"url":"https://git.kernel.org/stable/c/ca99cbcc316cdfd2040cc2b13d1426ccb3b3b50b"},{"url":"https://git.kernel.org/stable/c/19782b4c793b49a6aa4abbb307ddff3610009d21"},{"url":"https://git.kernel.org/stable/c/f7817ad399d604e8639005d87d148b5ec626ad26"},{"url":"https://git.kernel.org/stable/c/c426231e3d51916e83b6d1ab7ed8a65e83bca5b4"},{"url":"https://git.kernel.org/stable/c/ec0a7500d8eace5b4f305fa0c594dd148f0e8d29"}],"title":"ext4: fix iloc.bh leak in ext4_fc_replay_inode() error paths","x_generator":{"engine":"bippy-1.2.0"}}}}