What’s Vulnerable › Vulnerabilities
CVE-2022-2601
- Severity: high (CVSS 8.6 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-12-14 · updated 2026-06-17
- Weakness: CWE-122
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.
Affected products
- Fedoraproject Fedora: 37
- grub2: through 2.06
- RedHat Enterprise Linux Eus: 9.0
- RedHat Enterprise Linux For Power Little Endian Eus: 9.0
- RedHat Enterprise Linux Server Aus: 8.2
- RedHat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions: 8.1, 8.2, 9.0
- RedHat Enterprise Linux Server Tus: 8.2
- RedHat Enterprise Linux Server Update Services For Sap Solutions: 8.1, 8.2, 9.0
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0
- https://security.gentoo.org/glsa/202311-14
- https://security.netapp.com/advisory/ntap-20230203-0004/
- https://arstechnica.com/security/2024/08/a-patch-microsoft-spent-2-years-preparing-is-making-a-mess-for-some-linux-users/
- https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0
- https://security.gentoo.org/glsa/202311-14
- https://security.netapp.com/advisory/ntap-20230203-0004/
Get alerted when CVE-2022-2601 or the next vulnerability affects your stack