CVEvulnerability
CVE-2022-50404
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-09-18
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
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().
Affected configurations
• linux linux kernel (>= 5.15.64 < 5.15.86)
• linux linux kernel (>= 5.19.6 < 6.0)
• linux linux kernel (>= 6.0.1 < 6.0.16)
• linux linux kernel (>= 6.1 < 6.1.2)
• linux linux kernel 6.0
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123 Patch
- https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758 Patch
- https://git.kernel.org/stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127 Patch
- https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6 Patch
- https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013 Patch