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The vulnerability of the grub_font_construct_glyph() function, a loader for the Grub2 operating system, allows a hacker to execute arbitrary code.

🗓️ 17 Nov 2022 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 5 Views

Grub2 vulnerability in grub_font_construct_glyph allows arbitrary code execution via pf2 glyphs from a buffer overrun.

Related
Detection
Refs
ReporterTitlePublishedViews
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IBM Security Bulletins		Security Bulletin: Vulnerabilities in Node.js, libcurl, Golang Go, Jetty, Guava, Netty, OpenSSL, Linux kernel may affect IBM Spectrum Protect Plus
23 Mar 202320:19
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in Linux Kernel might affect IBM Spectrum Copy Data Management (CVE-2022-2964, CVE-2022-2601, CVE-2020-36557)
16 Mar 202315:23
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Assistant for IBM Cloud Pak for Data is vulnerable to Linux Kernel Buffer overflow and denial of service vulnerabilities( CVE-2022-2601, CVE-2022-3775)
5 Jul 202321:12
–ibm
IBM Security Bulletins		Security Bulletin: IBM Security Guardium is affected by a Kernel vulnerability (CVE-2022-2601)
8 Oct 202415:41
–ibm
ATTACKERKB		CVE-2022-2601
14 Dec 202221:15
–attackerkb
Tenable Nessus		Amazon Linux 2023 : grub2-common, grub2-efi-aa64, grub2-efi-aa64-cdboot (ALAS2023-2023-020)
21 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : grub2 (ALAS-2023-2146)
20 Jul 202300:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0003: grub2 (ALINUX3-SA-2023:0003)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : grub2 (ALSA-2023:0049)
10 Jan 202300:00
–nessus
Tenable Nessus		AlmaLinux 9 : grub2 (ALSA-2023:0752)
14 Feb 202300:00
–nessus
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19 Aug 2025 00:00Current
7.6High risk
Vulners AI Score7.6
CVSS 26
CVSS 36.4
EPSS0.00514
grub bootloaderfont glyph vulnerabilitypf2 glyph formatbuffer overrunarbitrary code execution
5