CVE-2022-50404fbdev: fbcon: release buffer when fbcon_do_set_font() failed
- 5.5MediumCVSS base score
- 0.16%Exploitation in 30 daysEPSS · top 94% 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: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory leak at fbcon_do_set_font() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") missed that the buffer might be newly allocated by fbcon_set_font().
Timeline
ID reserved
By Linux
- 1 day later
· 1 day later
Published
- 8 months later
· 8 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 |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 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 94% of all CVEs (12 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: Medium 5.5.
Affected products
- affected 868749a7456dc48e93887a8474194e2ee6d6c21f – < 5a341810a22e51c3a7a108f7896b5fd58d44d127
- affected ebd6f886aa2447fcfcdce5450c9e1028e1d681bb – < 88ec6d11052da527eb9268831e7a9bc5bbad02f6
- affected a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 – < 06926607b9fddf7ce8017493899ce6eb7e79a123
- affected a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 – < a609bfc1e644a8467cb31945ed1488374ebdc013
- affected a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 – < 3c3bfb8586f848317ceba5d777e11204ba3e5758
- affected f08ccb792d3eaf1dc62d8cbf6a30d6522329f660
- affected 5.15.64 – < 5.15.86
- affected 5.19.6 – < 5.20
- affected 6.0
- unaffected < 6.0
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References
References5
- https://git.kernel.org/stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127 (opens in a new tab)
- https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6 (opens in a new tab)
- https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123 (opens in a new tab)
- https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013 (opens in a new tab)
- https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758 (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-2025-29900 (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-2022-50404)Record last updated .