{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2023-52444","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-20T12:30:33.291Z","datePublished":"2024-02-22T16:21:37.043Z","dateUpdated":"2025-05-04T07:36:40.605Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:36:40.605Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid dirent corruption\n\nAs Al reported in link[1]:\n\nf2fs_rename()\n...\n\tif (old_dir != new_dir && !whiteout)\n\t\tf2fs_set_link(old_inode, old_dir_entry,\n\t\t\t\t\told_dir_page, new_dir);\n\telse\n\t\tf2fs_put_page(old_dir_page, 0);\n\nYou want correct inumber in the \"..\" link.  And cross-directory\nrename does move the source to new parent, even if you'd been asked\nto leave a whiteout in the old place.\n\n[1] https://lore.kernel.org/all/20231017055040.GN800259@ZenIV/\n\nWith below testcase, it may cause dirent corruption, due to it missed\nto call f2fs_set_link() to update \"..\" link to new directory.\n- mkdir -p dir/foo\n- renameat2 -w dir/foo bar\n\n[ASSERT] (__chk_dots_dentries:1421)  --> Bad inode number[0x4] for '..', parent parent ino is [0x3]\n[FSCK] other corrupted bugs                           [Fail]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/namei.c"],"versions":[{"version":"7e01e7ad746bc8198a8b46163ddc73a1c7d22339","lessThan":"02160112e6d45c2610b049df6eb693d7a2e57b46","status":"affected","versionType":"git"},{"version":"7e01e7ad746bc8198a8b46163ddc73a1c7d22339","lessThan":"5624a3c1b1ebc8991318e1cce2aa719542991024","status":"affected","versionType":"git"},{"version":"7e01e7ad746bc8198a8b46163ddc73a1c7d22339","lessThan":"6f866885e147d33efc497f1095f35b2ee5ec7310","status":"affected","versionType":"git"},{"version":"7e01e7ad746bc8198a8b46163ddc73a1c7d22339","lessThan":"f100ba617d8be6c98a68f3744ef7617082975b77","status":"affected","versionType":"git"},{"version":"7e01e7ad746bc8198a8b46163ddc73a1c7d22339","lessThan":"f0145860c20be6bae6785c7a2249577674702ac7","status":"affected","versionType":"git"},{"version":"7e01e7ad746bc8198a8b46163ddc73a1c7d22339","lessThan":"d3c0b49aaa12a61d560528f5d605029ab57f0728","status":"affected","versionType":"git"},{"version":"7e01e7ad746bc8198a8b46163ddc73a1c7d22339","lessThan":"2fb4867f4405aea8c0519d7d188207f232a57862","status":"affected","versionType":"git"},{"version":"7e01e7ad746bc8198a8b46163ddc73a1c7d22339","lessThan":"53edb549565f55ccd0bdf43be3d66ce4c2d48b28","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/namei.c"],"versions":[{"version":"4.2","status":"affected"},{"version":"0","lessThan":"4.2","status":"unaffected","versionType":"semver"},{"version":"4.19.306","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.268","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.209","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.148","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.75","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.14","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.2","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":"4.2","versionEndExcluding":"4.19.306"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.4.268"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.6.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.7.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/02160112e6d45c2610b049df6eb693d7a2e57b46"},{"url":"https://git.kernel.org/stable/c/5624a3c1b1ebc8991318e1cce2aa719542991024"},{"url":"https://git.kernel.org/stable/c/6f866885e147d33efc497f1095f35b2ee5ec7310"},{"url":"https://git.kernel.org/stable/c/f100ba617d8be6c98a68f3744ef7617082975b77"},{"url":"https://git.kernel.org/stable/c/f0145860c20be6bae6785c7a2249577674702ac7"},{"url":"https://git.kernel.org/stable/c/d3c0b49aaa12a61d560528f5d605029ab57f0728"},{"url":"https://git.kernel.org/stable/c/2fb4867f4405aea8c0519d7d188207f232a57862"},{"url":"https://git.kernel.org/stable/c/53edb549565f55ccd0bdf43be3d66ce4c2d48b28"}],"title":"f2fs: 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