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CVE-2022-50512ext4: fix potential memory leak in ext4_fc_record_regions()
- 5.5MediumCVSS base score
- 0.16%Exploitation in 30 daysEPSS · top 95% 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: ext4: fix potential memory leak in ext4_fc_record_regions() As krealloc may return NULL, in this case 'state->fc_regions' may not be freed by krealloc, but 'state->fc_regions' already set NULL. Then will lead to 'state->fc_regions' memory leak.
Timeline
ID reserved
By Linux
Published
- 7 months later
· 7 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)
- 0.16% · top 95% of all CVEs (15 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < 2cfb769d60a2a57eb3566765428b6131cd16dcfe
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < 417b0455a0b6d0f60a2930592731d1f8340e24be
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < a4058b869e6c5e517c79e30532a350d0f3115c3e
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < 518566e71ad86b7c2f1bf6d9caee9588bb7ac158
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < 7069d105c1f15c442b68af43f7fde784f3126739
- affected 5.10
- unaffected < 5.10
- unaffected 5.10.150 – ≤ 5.10.*
- unaffected 5.15.75 – ≤ 5.15.*
- unaffected 5.19.17 – ≤ 5.19.*
- unaffected 6.0.3 – ≤ 6.0.*
- unaffected 6.1 – ≤ *
References
References5
- https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe (opens in a new tab)
- https://git.kernel.org/stable/c/417b0455a0b6d0f60a2930592731d1f8340e24be (opens in a new tab)
- https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e (opens in a new tab)
- https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158 (opens in a new tab)
- https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739 (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-2025-32052 (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-2022-50512)Record last updated .