CVE-2022-50404 - CVE House
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Status published Unknown CVE-2022-50404

fbdev: fbcon: release buffer when fbcon_do_set_font() failed

Vulnerability 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 Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
868749a7456dc48e93887a8474194e2ee6d6c21f, ebd6f886aa2447fcfcdce5450c9e1028e1d681bb, a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24, f08ccb792d3eaf1dc62d8cbf6a30d6522329f660, 5.15.64, 5.19.6, 6.0, 0, 5.15.86, 6.0.16, 6.1.2, 6.2

Timeline

Official Publish: September 18th, 2025
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.