{"id":"DEBIAN-CVE-2023-52444","details":"In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix to avoid dirent corruption  As Al reported in link[1]:  f2fs_rename() ... \tif (old_dir != new_dir && !whiteout) \t\tf2fs_set_link(old_inode, old_dir_entry, \t\t\t\t\told_dir_page, new_dir); \telse \t\tf2fs_put_page(old_dir_page, 0);  You want correct inumber in the \"..\" link.  And cross-directory rename does move the source to new parent, even if you'd been asked to leave a whiteout in the old place.  [1] https://lore.kernel.org/all/20231017055040.GN800259@ZenIV/  With below testcase, it may cause dirent corruption, due to it missed to call f2fs_set_link() to update \"..\" link to new directory. - mkdir -p dir/foo - renameat2 -w dir/foo bar  [ASSERT] (__chk_dots_dentries:1421)  --\u003e Bad inode number[0x4] for '..', parent parent ino is [0x3] [FSCK] other corrupted bugs                           [Fail]","modified":"2026-09-15T09:02:47.581677445Z","published":"2024-02-22T17:15:08.430Z","upstream":["CVE-2023-52444"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-52444"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.76-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1~bpo11+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52444.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.15-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52444.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.15-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52444.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}