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Vulnerability CVE-2022-2601
Published: 2022-12-14
| 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. |
Type:
CWE-787
References: |
https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0
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