cve-2022-2601
Vulnerability from cvelistv5
Published
2022-12-14 00:00
Modified
2024-08-22 01:13
Severity ?
Summary
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.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://security.gentoo.org/glsa/202311-14
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20230203-0004/
af854a3a-2127-422b-91ae-364da2661108https://arstechnica.com/security/2024/08/a-patch-microsoft-spent-2-years-preparing-is-making-a-mess-for-some-linux-users/
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202311-14
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230203-0004/
Impacted products
Vendor Product Version
n/a grub2 Version: grub2 2.06 and lower
Show details on NVD website

To clipboard 

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