CVE-2022-50404

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 v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/06926607b9fddf7ce8017493899ce6eb7e79a123	Patch
https://git.kernel.org/stable/c/3c3bfb8586f848317ceba5d777e11204ba3e5758	Patch
https://git.kernel.org/stable/c/88ec6d11052da527eb9268831e7a9bc5bbad02f6	Patch
https://git.kernel.org/stable/c/a609bfc1e644a8467cb31945ed1488374ebdc013	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	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::::::

History

No history.

Information

Published : 2025-09-18 16:15

Updated : 2026-01-14 20:15

NVD link : CVE-2022-50404

Mitre link : CVE-2022-50404

CVE.ORG link : CVE-2022-50404

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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