CVE-2023-52444f2fs: fix to avoid dirent corruption
- 7.8HighCVSS base score
- 0.24%Exploitation in 30 daysEPSS · top 84% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid dirent corruption As Al reported in link[1]: f2fs_rename() ... if (old_dir != new_dir && !whiteout) f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); else f2fs_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) --> Bad inode number[0x4] for '..', parent parent ino is [0x3] [FSCK] other corrupted bugs [Fail]
Timeline
ID reserved
By Linux
- 2 days later
· 2 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 84% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 – < 02160112e6d45c2610b049df6eb693d7a2e57b46
- affected 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 – < 5624a3c1b1ebc8991318e1cce2aa719542991024
- affected 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 – < 6f866885e147d33efc497f1095f35b2ee5ec7310
- affected 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 – < f100ba617d8be6c98a68f3744ef7617082975b77
- affected 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 – < f0145860c20be6bae6785c7a2249577674702ac7
- affected 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 – < d3c0b49aaa12a61d560528f5d605029ab57f0728
- affected 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 – < 2fb4867f4405aea8c0519d7d188207f232a57862
- affected 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 – < 53edb549565f55ccd0bdf43be3d66ce4c2d48b28
- affected 4.2
- unaffected < 4.2
- unaffected 4.19.306 – ≤ 4.19.*
- unaffected 5.4.268 – ≤ 5.4.*
- unaffected 5.10.209 – ≤ 5.10.*
- unaffected 5.15.148 – ≤ 5.15.*
- unaffected 6.1.75 – ≤ 6.1.*
- unaffected 6.6.14 – ≤ 6.6.*
- unaffected 6.7.2 – ≤ 6.7.*
- unaffected 6.8 – ≤ *
References
References11
- https://git.kernel.org/stable/c/02160112e6d45c2610b049df6eb693d7a2e57b46 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/5624a3c1b1ebc8991318e1cce2aa719542991024 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/6f866885e147d33efc497f1095f35b2ee5ec7310 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f100ba617d8be6c98a68f3744ef7617082975b77 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f0145860c20be6bae6785c7a2249577674702ac7 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d3c0b49aaa12a61d560528f5d605029ab57f0728 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2fb4867f4405aea8c0519d7d188207f232a57862 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/53edb549565f55ccd0bdf43be3d66ce4c2d48b28 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-57069 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-52444)Record last updated .