CVE-2022-50205ext2: Add more validity checks for inode counts
- 5.5MediumCVSS base score
- 0.25%Exploitation in 30 daysEPSS · top 83% 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: ext2: Add more validity checks for inode counts Add checks verifying number of inodes stored in the superblock matches the number computed from number of inodes per group. Also verify we have at least one block worth of inodes per group. This prevents crashes on corrupted filesystems.
Timeline
ID reserved
By Linux
Published
- 11 months later
· 11 months 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 |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.25% · top 83% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 0bcdc31094a12b4baf59e241feabc9787cf635fa
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 07303a9abe3a997d9864fb4315e34b5acfe8fc25
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < b3f423683818cfe15de14d5d9dff44148ff16bbf
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < d08bb199a406424a8ed0009efdf41710e6d849ee
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 96b18d3a1be0354ccce43f0ef61b5a3d7e432552
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 7a48fdc88a3c35e046a6a0a38eba00f21c65b16e
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < 5e63c5fe9123fa76ffaeff26c211308736ec3a07
- affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – < fa78f336937240d1bc598db817d638086060e7e9
- affected 2.6.12
- unaffected < 2.6.12
- unaffected 4.14.291 – ≤ 4.14.*
- unaffected 4.19.256 – ≤ 4.19.*
- unaffected 5.4.211 – ≤ 5.4.*
- unaffected 5.10.137 – ≤ 5.10.*
- unaffected 5.15.61 – ≤ 5.15.*
- unaffected 5.18.18 – ≤ 5.18.*
- unaffected 5.19.2 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References
References8
- https://git.kernel.org/stable/c/0bcdc31094a12b4baf59e241feabc9787cf635fa (opens in a new tab)
- https://git.kernel.org/stable/c/07303a9abe3a997d9864fb4315e34b5acfe8fc25 (opens in a new tab)
- https://git.kernel.org/stable/c/b3f423683818cfe15de14d5d9dff44148ff16bbf (opens in a new tab)
- https://git.kernel.org/stable/c/d08bb199a406424a8ed0009efdf41710e6d849ee (opens in a new tab)
- https://git.kernel.org/stable/c/96b18d3a1be0354ccce43f0ef61b5a3d7e432552 (opens in a new tab)
- https://git.kernel.org/stable/c/7a48fdc88a3c35e046a6a0a38eba00f21c65b16e (opens in a new tab)
- https://git.kernel.org/stable/c/5e63c5fe9123fa76ffaeff26c211308736ec3a07 (opens in a new tab)
- https://git.kernel.org/stable/c/fa78f336937240d1bc598db817d638086060e7e9 (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-2022-55467 (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-2022-50205)Record last updated .