medium
5.5
CWE
362
Advisory Published
Updated

CVE-2023-38409: Race Condition

First published: Mon Jul 17 2023(Updated: )

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).

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel<6.2.12
redhat/Kernel<6.3
6.3

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=fffb0b52d5258554c645c966c6cbef7de50b851d

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