CVE-2022-50404

MEDIUM EPSS 4.6%
Published Sep 18, 20259mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 18, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

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().

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥5.15.64  –  <5.15.86
linuxlinux_kernel*≥5.19.6  –  <6.0
linuxlinux_kernel*≥6.0.1  –  <6.0.16
linuxlinux_kernel*≥6.1  –  <6.1.2
linuxlinux_kernel6.0any
linuxlinux_kernel6.0any
linuxlinux_kernel6.0any
linuxlinux_kernel6.0any
linuxlinux_kernel6.0any
linuxlinux_kernel6.0any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5a341810a22e51c3a7a108f7896b5fd58d44d127
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013
    Patch