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Affected Component
Analysis
grub
Exploitable
Name
CVE-2022-2601
Description
A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted pf2 font can lead to an overflow when calculating the max_glyph_size value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bounds write. An attacker may use this vulnerability to circumvent the secure boot mechanism.
Published Date
Updated Date
Workaround
-
Advisories
https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0Issue Tracking
Analysis#
Vulnerability Ratings#
8.6
CVSSv31
8.6
CVSSv31
NaN
other