An issue was discovered in set_con2fb_map in drivers... · CVE-2023-38409 · GitHub Advisory Database · GitHub

An issue was discovered in set_con2fb_map in drivers...

Moderate severity Unreviewed Published Jul 18, 2023 to the GitHub Advisory Database • Updated Apr 4, 2024

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

An issue was discovered in set_con2fb_map in drivers/video/fbdev/core/fbcon.c in the Linux kernel before 6.2.12. Because an assignment occurs only for the first vc, the fbcon_registered_fb and fbcon_display arrays can be desynchronized in fbcon_mode_deleted (the con2fb_map points at the old fb_info).

References

Published by the National Vulnerability Database

Jul 17, 2023

Published to the GitHub Advisory Database Jul 18, 2023

Last updated Apr 4, 2024

Severity

Moderate

5.5

/ 10

CVSS base metrics

Attack vector

Local

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H