{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2024-26791","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-19T14:20:24.178Z","datePublished":"2024-04-04T08:20:22.374Z","dateUpdated":"2026-01-05T10:34:35.388Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-01-05T10:34:35.388Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: dev-replace: properly validate device names\n\nThere's a syzbot report that device name buffers passed to device\nreplace are not properly checked for string termination which could lead\nto a read out of bounds in getname_kernel().\n\nAdd a helper that validates both source and target device name buffers.\nFor devid as the source initialize the buffer to empty string in case\nsomething tries to read it later.\n\nThis was originally analyzed and fixed in a different way by Edward Adam\nDavis (see links)."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/dev-replace.c"],"versions":[{"version":"e93c89c1aaaaaec3487c4c18dd02360371790722","lessThan":"11d7a2e429c02d51e2dc90713823ea8b8d3d3a84","status":"affected","versionType":"git"},{"version":"e93c89c1aaaaaec3487c4c18dd02360371790722","lessThan":"c6652e20d7d783d060fe5f987eac7b5cabe31311","status":"affected","versionType":"git"},{"version":"e93c89c1aaaaaec3487c4c18dd02360371790722","lessThan":"2886fe308a83968dde252302884a1e63351cf16d","status":"affected","versionType":"git"},{"version":"e93c89c1aaaaaec3487c4c18dd02360371790722","lessThan":"ab2d68655d0f04650bef09fee948ff80597c5fb9","status":"affected","versionType":"git"},{"version":"e93c89c1aaaaaec3487c4c18dd02360371790722","lessThan":"f590040ce2b712177306b03c2a63b16f7d48d3c8","status":"affected","versionType":"git"},{"version":"e93c89c1aaaaaec3487c4c18dd02360371790722","lessThan":"b1690ced4d2d8b28868811fb81cd33eee5aefee1","status":"affected","versionType":"git"},{"version":"e93c89c1aaaaaec3487c4c18dd02360371790722","lessThan":"343eecb4ff49a7b1cc1dfe86958a805cf2341cfb","status":"affected","versionType":"git"},{"version":"e93c89c1aaaaaec3487c4c18dd02360371790722","lessThan":"9845664b9ee47ce7ee7ea93caf47d39a9d4552c4","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/dev-replace.c"],"versions":[{"version":"3.8","status":"affected"},{"version":"0","lessThan":"3.8","status":"unaffected","versionType":"semver"},{"version":"4.19.309","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.271","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.212","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.151","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.81","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.21","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.9","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8","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":"3.8","versionEndExcluding":"4.19.309"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.4.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.10.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.15.151"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.1.81"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.6.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.7.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/11d7a2e429c02d51e2dc90713823ea8b8d3d3a84"},{"url":"https://git.kernel.org/stable/c/c6652e20d7d783d060fe5f987eac7b5cabe31311"},{"url":"https://git.kernel.org/stable/c/2886fe308a83968dde252302884a1e63351cf16d"},{"url":"https://git.kernel.org/stable/c/ab2d68655d0f04650bef09fee948ff80597c5fb9"},{"url":"https://git.kernel.org/stable/c/f590040ce2b712177306b03c2a63b16f7d48d3c8"},{"url":"https://git.kernel.org/stable/c/b1690ced4d2d8b28868811fb81cd33eee5aefee1"},{"url":"https://git.kernel.org/stable/c/343eecb4ff49a7b1cc1dfe86958a805cf2341cfb"},{"url":"https://git.kernel.org/stable/c/9845664b9ee47ce7ee7ea93caf47d39a9d4552c4"}],"title":"btrfs: 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