CVE-2022-2601
UNKNOWN
Published 2022-12-14T00:00:00
Actions:
No CVSS data available
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.
Available Exploits
No exploits available for this CVE.
Related News
Microsoft Fixes Windows Update That Broke GRUB in Dual-Boot Systems
Long story short – the problem began after Microsoft’s August 2024 Patch updates, which included a mitigation for a known GRUB2 vulnerability (CVE-2022-2601). The flaw allowed malicious actors to bypass UEFI Secure Boot protections using a compromised GRUB2 b…
Freerepublic.com
2025-05-19 03:31
References
Published: 2022-12-14T00:00:00
Last Modified: 2024-08-22T01:13:28.591Z
Copied to clipboard!