{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-47740","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-09-30T16:00:12.959Z","datePublished":"2024-10-21T12:14:09.171Z","dateUpdated":"2025-11-03T22:21:36.961Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:38:45.311Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: Require FMODE_WRITE for atomic write ioctls\n\nThe F2FS ioctls for starting and committing atomic writes check for\ninode_owner_or_capable(), but this does not give LSMs like SELinux or\nLandlock an opportunity to deny the write access - if the caller's FSUID\nmatches the inode's UID, inode_owner_or_capable() immediately returns true.\n\nThere are scenarios where LSMs want to deny a process the ability to write\nparticular files, even files that the FSUID of the process owns; but this\ncan currently partially be bypassed using atomic write ioctls in two ways:\n\n - F2FS_IOC_START_ATOMIC_REPLACE + F2FS_IOC_COMMIT_ATOMIC_WRITE can\n   truncate an inode to size 0\n - F2FS_IOC_START_ATOMIC_WRITE + F2FS_IOC_ABORT_ATOMIC_WRITE can revert\n   changes another process concurrently made to a file\n\nFix it by requiring FMODE_WRITE for these operations, just like for\nF2FS_IOC_MOVE_RANGE. Since any legitimate caller should only be using these\nioctls when intending to write into the file, that seems unlikely to break\nanything."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/file.c"],"versions":[{"version":"88b88a66797159949cec32eaab12b4968f6fae2d","lessThan":"700f3a7c7fa5764c9f24bbf7c78e0b6e479fa653","status":"affected","versionType":"git"},{"version":"88b88a66797159949cec32eaab12b4968f6fae2d","lessThan":"4ce87674c3a6b4d3b3d45f85b584ab8618a3cece","status":"affected","versionType":"git"},{"version":"88b88a66797159949cec32eaab12b4968f6fae2d","lessThan":"000bab8753ae29a259feb339b99ee759795a48ac","status":"affected","versionType":"git"},{"version":"88b88a66797159949cec32eaab12b4968f6fae2d","lessThan":"88ff021e1fea2d9b40b2d5efd9013c89f7be04ac","status":"affected","versionType":"git"},{"version":"88b88a66797159949cec32eaab12b4968f6fae2d","lessThan":"32f348ecc149e9ca70a1c424ae8fa9b6919d2713","status":"affected","versionType":"git"},{"version":"88b88a66797159949cec32eaab12b4968f6fae2d","lessThan":"5e0de753bfe87768ebe6744d869caa92f35e5731","status":"affected","versionType":"git"},{"version":"88b88a66797159949cec32eaab12b4968f6fae2d","lessThan":"f3bfac2cabf5333506b263bc0c8497c95302f32d","status":"affected","versionType":"git"},{"version":"88b88a66797159949cec32eaab12b4968f6fae2d","lessThan":"4583290898c13c2c2e5eb8773886d153c2c5121d","status":"affected","versionType":"git"},{"version":"88b88a66797159949cec32eaab12b4968f6fae2d","lessThan":"4f5a100f87f32cb65d4bb1ad282a08c92f6f591e","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/f2fs/file.c"],"versions":[{"version":"3.18","status":"affected"},{"version":"0","lessThan":"3.18","status":"unaffected","versionType":"semver"},{"version":"4.19.323","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.285","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.227","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.168","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.113","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.54","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.13","lessThanOrEqual":"6.10.*","status":"unaffected","versionType":"semver"},{"version":"6.11.2","lessThanOrEqual":"6.11.*","status":"unaffected","versionType":"semver"},{"version":"6.12","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":"3.18","versionEndExcluding":"4.19.323"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"5.4.285"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"5.10.227"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"5.15.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.1.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.6.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.10.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.11.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.12"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/700f3a7c7fa5764c9f24bbf7c78e0b6e479fa653"},{"url":"https://git.kernel.org/stable/c/4ce87674c3a6b4d3b3d45f85b584ab8618a3cece"},{"url":"https://git.kernel.org/stable/c/000bab8753ae29a259feb339b99ee759795a48ac"},{"url":"https://git.kernel.org/stable/c/88ff021e1fea2d9b40b2d5efd9013c89f7be04ac"},{"url":"https://git.kernel.org/stable/c/32f348ecc149e9ca70a1c424ae8fa9b6919d2713"},{"url":"https://git.kernel.org/stable/c/5e0de753bfe87768ebe6744d869caa92f35e5731"},{"url":"https://git.kernel.org/stable/c/f3bfac2cabf5333506b263bc0c8497c95302f32d"},{"url":"https://git.kernel.org/stable/c/4583290898c13c2c2e5eb8773886d153c2c5121d"},{"url":"https://git.kernel.org/stable/c/4f5a100f87f32cb65d4bb1ad282a08c92f6f591e"}],"title":"f2fs: Require FMODE_WRITE for atomic write ioctls","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-47740","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-21T12:59:19.414286Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-21T13:04:14.597Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:21:36.961Z"}}]}}