SUSE: 2022:4144-1 Important: Grub2 Buffer Overflow and Underflow Fixes
suse
November 21, 2022
An update that fixes two vulnerabilities is now available
Summary
This update for grub2 fixes the following issues: Security Fixes: - CVE-2022-2601: Fixed buffer overflow in grub_font_construct_glyph (bsc#1205178). - CVE-2022-3775: Fixed integer underflow in blit_comb() (bsc#1205182). Other: - Bump upstream SBAT generation to 3 Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server 12-SP2-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2022-4144=1 Package List: - SUSE Linux Enterprise Server 12-SP2-BCL (noarch): grub2-snapper-plugin-2.02-115.72.1 grub2-systemd-sleep-plugin-2.02-115.72.1 - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64): grub2-2.02-115.72.1
References
#1205178 #1205182
Cross- CVE-2022-2601 CVE-2022-3775
CVSS scores:
CVE-2022-2601 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVE-2022-3775 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products:
SUSE Linux Enterprise Server 12-SP2-BCL
https://www.suse.com/security/cve/CVE-2022-2601.html
https://www.suse.com/security/cve/CVE-2022-3775.html
https://bugzilla.suse.com/1205178
https://bugzilla.suse.com/1205182
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Announcement ID: SUSE-SU-2022:4144-1
Rating: important
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