{"id":"CVE-2025-40077","state":"PUBLISHED","title":"f2fs: fix to avoid overflow while left shift operation","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid overflow while left shift operation\n\nShould cast type of folio->index from pgoff_t to loff_t to avoid overflow\nwhile left shift operation.","publishedAt":"2025-10-28T11:48:42.976Z","updatedAt":"2026-10-30T12:22:49.284Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"7fb12f75da1da83b29964c02646f851d919301ea","versionType":"git"},{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"ef49378864bb1ed14cd48c8e687729e12714d849","versionType":"git"},{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"0e75a098b0a37f02ca31fe99ac16004c8163cf67","versionType":"git"},{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"57d3381dfb97ff73ddd18601017fec21cca80985","versionType":"git"},{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"0fe1c6bec54ea68ed8c987b3890f2296364e77bb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/compress.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.59","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.3","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/compress.c"]}],"references":["https://git.kernel.org/stable/c/7fb12f75da1da83b29964c02646f851d919301ea","https://git.kernel.org/stable/c/ef49378864bb1ed14cd48c8e687729e12714d849","https://git.kernel.org/stable/c/0e75a098b0a37f02ca31fe99ac16004c8163cf67","https://git.kernel.org/stable/c/57d3381dfb97ff73ddd18601017fec21cca80985","https://git.kernel.org/stable/c/0fe1c6bec54ea68ed8c987b3890f2296364e77bb"],"weaknesses":[],"ingestedAt":"2026-10-30T12:40:04.423Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40077.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40077","state":"PUBLISHED","datePublished":"2025-10-28T11:48:42.976Z","dateUpdated":"2026-10-30T12:22:49.284Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.160Z"},"containers":{"cna":{"title":"f2fs: fix to avoid overflow while left shift operation","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid overflow while left shift operation\n\nShould cast type of folio->index from pgoff_t to loff_t to avoid overflow\nwhile left shift operation."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"7fb12f75da1da83b29964c02646f851d919301ea","versionType":"git"},{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"ef49378864bb1ed14cd48c8e687729e12714d849","versionType":"git"},{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"0e75a098b0a37f02ca31fe99ac16004c8163cf67","versionType":"git"},{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"57d3381dfb97ff73ddd18601017fec21cca80985","versionType":"git"},{"version":"3265d3db1f16395cfc6b8ea9b31b4001d98d05ef","status":"affected","lessThan":"0fe1c6bec54ea68ed8c987b3890f2296364e77bb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/compress.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.8","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.117","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.59","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.3","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/compress.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7fb12f75da1da83b29964c02646f851d919301ea"},{"url":"https://git.kernel.org/stable/c/ef49378864bb1ed14cd48c8e687729e12714d849"},{"url":"https://git.kernel.org/stable/c/0e75a098b0a37f02ca31fe99ac16004c8163cf67"},{"url":"https://git.kernel.org/stable/c/57d3381dfb97ff73ddd18601017fec21cca80985"},{"url":"https://git.kernel.org/stable/c/0fe1c6bec54ea68ed8c987b3890f2296364e77bb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:22:49.284Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.6.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.12.59"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}