CVE-2022-49948

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue arises when changing the console font with ioctl(KDFONTOP), where the new font size can be larger than the previous one. This can lead to out-of-bounds accesses to graphics memory if a previous selection is removed in vc do resize(). The problem occurs because the previous selection may now be outside of the new screen size.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.