{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52810","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T15:19:24.248Z","datePublished":"2024-05-21T15:31:19.629Z","dateUpdated":"2026-01-05T10:17:24.945Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-01-05T10:17:24.945Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/jfs: Add check for negative db_l2nbperpage\n\nl2nbperpage is log2(number of blks per page), and the minimum legal\nvalue should be 0, not negative.\n\nIn the case of l2nbperpage being negative, an error will occur\nwhen subsequently used as shift exponent.\n\nSyzbot reported this bug:\n\nUBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:799:12\nshift exponent -16777216 is negative"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/jfs/jfs_dmap.c"],"versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"cc61fcf7d1c99f148fe8ddfb5c6ed0bb75861f01","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"8f2964df6bfce9d92d81ca552010b8677af8d9dc","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"a81a56b4cbe3142cc99f6b98e8f9b3a631c768e1","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"524b4f203afcf87accfe387e846f33f916f0c907","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"5f148b16972e5f4592629b244d5109b15135f53f","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"0cb567e727339a192f9fd0db00781d73a91d15a6","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"491085258185ffc4fb91555b0dba895fe7656a45","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"1a7c53fdea1d189087544d9a606d249e93c4934b","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"525b861a008143048535011f3816d407940f4bfa","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/jfs/jfs_dmap.c"],"versions":[{"version":"2.6.12","status":"affected"},{"version":"0","lessThan":"2.6.12","status":"unaffected","versionType":"semver"},{"version":"4.14.331","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.300","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.262","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.202","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.140","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.64","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.13","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6.3","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7","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":"2.6.12","versionEndExcluding":"4.14.331"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"4.19.300"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.4.262"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.5.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/cc61fcf7d1c99f148fe8ddfb5c6ed0bb75861f01"},{"url":"https://git.kernel.org/stable/c/8f2964df6bfce9d92d81ca552010b8677af8d9dc"},{"url":"https://git.kernel.org/stable/c/a81a56b4cbe3142cc99f6b98e8f9b3a631c768e1"},{"url":"https://git.kernel.org/stable/c/524b4f203afcf87accfe387e846f33f916f0c907"},{"url":"https://git.kernel.org/stable/c/5f148b16972e5f4592629b244d5109b15135f53f"},{"url":"https://git.kernel.org/stable/c/0cb567e727339a192f9fd0db00781d73a91d15a6"},{"url":"https://git.kernel.org/stable/c/491085258185ffc4fb91555b0dba895fe7656a45"},{"url":"https://git.kernel.org/stable/c/1a7c53fdea1d189087544d9a606d249e93c4934b"},{"url":"https://git.kernel.org/stable/c/525b861a008143048535011f3816d407940f4bfa"}],"title":"fs/jfs: 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