{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-39482","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-06-25T14:23:23.746Z","datePublished":"2024-07-05T06:55:10.599Z","dateUpdated":"2025-07-11T17:19:50.338Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-07-11T17:19:50.338Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbcache: fix variable length array abuse in btree_iter\n\nbtree_iter is used in two ways: either allocated on the stack with a\nfixed size MAX_BSETS, or from a mempool with a dynamic size based on the\nspecific cache set. Previously, the struct had a fixed-length array of\nsize MAX_BSETS which was indexed out-of-bounds for the dynamically-sized\niterators, which causes UBSAN to complain.\n\nThis patch uses the same approach as in bcachefs's sort_iter and splits\nthe iterator into a btree_iter with a flexible array member and a\nbtree_iter_stack which embeds a btree_iter as well as a fixed-length\ndata array."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/bcache/bset.c","drivers/md/bcache/bset.h","drivers/md/bcache/btree.c","drivers/md/bcache/super.c","drivers/md/bcache/sysfs.c","drivers/md/bcache/writeback.c"],"versions":[{"version":"cafe563591446cf80bfbc2fe3bc72a2e36cf1060","lessThan":"2c3d7b03b658dc8bfa6112b194b67b92a87e081b","status":"affected","versionType":"git"},{"version":"cafe563591446cf80bfbc2fe3bc72a2e36cf1060","lessThan":"5a1922adc5798b7ec894cd3f197afb6f9591b023","status":"affected","versionType":"git"},{"version":"cafe563591446cf80bfbc2fe3bc72a2e36cf1060","lessThan":"934e1e4331859183a861f396d7dfaf33cb5afb02","status":"affected","versionType":"git"},{"version":"cafe563591446cf80bfbc2fe3bc72a2e36cf1060","lessThan":"6479b9f41583b013041943c4602e1ad61cec8148","status":"affected","versionType":"git"},{"version":"cafe563591446cf80bfbc2fe3bc72a2e36cf1060","lessThan":"0c31344e22dd8d6b1394c6e4c41d639015bdc671","status":"affected","versionType":"git"},{"version":"cafe563591446cf80bfbc2fe3bc72a2e36cf1060","lessThan":"3a861560ccb35f2a4f0a4b8207fa7c2a35fc7f31","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/bcache/bset.c","drivers/md/bcache/bset.h","drivers/md/bcache/btree.c","drivers/md/bcache/super.c","drivers/md/bcache/sysfs.c","drivers/md/bcache/writeback.c"],"versions":[{"version":"3.10","status":"affected"},{"version":"0","lessThan":"3.10","status":"unaffected","versionType":"semver"},{"version":"5.10.221","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.162","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.94","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.34","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.9.5","lessThanOrEqual":"6.9.*","status":"unaffected","versionType":"semver"},{"version":"6.10","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":"3.10","versionEndExcluding":"5.10.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.9.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.10"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2c3d7b03b658dc8bfa6112b194b67b92a87e081b"},{"url":"https://git.kernel.org/stable/c/5a1922adc5798b7ec894cd3f197afb6f9591b023"},{"url":"https://git.kernel.org/stable/c/934e1e4331859183a861f396d7dfaf33cb5afb02"},{"url":"https://git.kernel.org/stable/c/6479b9f41583b013041943c4602e1ad61cec8148"},{"url":"https://git.kernel.org/stable/c/0c31344e22dd8d6b1394c6e4c41d639015bdc671"},{"url":"https://git.kernel.org/stable/c/3a861560ccb35f2a4f0a4b8207fa7c2a35fc7f31"}],"title":"bcache: fix variable length array abuse in btree_iter","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-08T17:54:07.988323Z","id":"CVE-2024-39482","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-07-08T17:54:15.435Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T04:26:15.917Z"},"title":"CVE Program 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