CVE-2022-50404

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Source
https://cve.org/CVERecord?id=CVE-2022-50404
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50404.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-50404
Downstream
Related
Published
2025-09-18T16:03:49.643Z
Modified
2026-03-20T11:47:26.687498Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
fbdev: fbcon: release buffer when fbcon_do_set_font() failed
Details

In the Linux kernel, the following vulnerability has been resolved:

fbdev: fbcon: release buffer when fbcondoset_font() failed

syzbot is reporting memory leak at fbcondosetfont() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vcresize() failed") missed that the buffer might be newly allocated by fbconsetfont().

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50404.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
868749a7456dc48e93887a8474194e2ee6d6c21f
Fixed
5a341810a22e51c3a7a108f7896b5fd58d44d127
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
ebd6f886aa2447fcfcdce5450c9e1028e1d681bb
Fixed
88ec6d11052da527eb9268831e7a9bc5bbad02f6
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24
Fixed
06926607b9fddf7ce8017493899ce6eb7e79a123
Fixed
a609bfc1e644a8467cb31945ed1488374ebdc013
Fixed
3c3bfb8586f848317ceba5d777e11204ba3e5758
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
f08ccb792d3eaf1dc62d8cbf6a30d6522329f660

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50404.json"