CVE-2022-50404

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

18/09/2025

Last modified:

06/02/2026

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().

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.15.64 (including)	5.15.86 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.19.6 (including)	6.0 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.0.1 (including)	6.0.16 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.1 (including)	6.1.2 (excluding)
cpe:2.3:o:linux:linux_kernel:6.0:-::::::
cpe:2.3:o:linux:linux_kernel:6.0:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.0:rc4::::::
cpe:2.3:o:linux:linux_kernel:6.0:rc5::::::
cpe:2.3:o:linux:linux_kernel:6.0:rc6::::::
cpe:2.3:o:linux:linux_kernel:6.0:rc7::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2022-50404

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools