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SUSE: 2022:4219-1 Important: Grub2 Buffer Overflow and Underflow Fix

suse
Calendar Grey November 25, 2022
Dist Suse Esm H88
SUSE has released a security update for grub2 addressing critical vulnerabilities highlighted in SUSE-SU-2022:4219-1.
An update that fixes two vulnerabilities is now available

Summary

This update for grub2 fixes the following issues: - 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: - openSUSE Leap Micro 5.2: zypper in -t patch openSUSE-Leap-Micro-5.2-2022-4219=1 - openSUSE Leap 15.3: zypper in -t patch openSUSE-SLE-15.3-2022-4219=1 - SUSE Linux Enterprise Module for Server Applications 15-SP3: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-4219=1

Topics%20covered

Topics Covered

security advisory buffer overflow security fix important update integer underflow SUSE Linux Enterprise grub2 patch

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 Enterprise Storage 7.1

SUSE Linux Enterprise Desktop 15-SP3

SUSE Linux Enterprise High Performance Computing 15-SP3

SUSE Linux Enterprise Micro 5.2

SUSE Linux Enterprise Module for Basesystem 15-SP3

SUSE Linux Enterprise Module for SUSE Manager Proxy 4.2

SUSE Linux Enterprise Module for Server Applications 15-SP3

SUSE Linux Enterprise Server 15-SP3

SUSE Linux Enterprise Server for SAP Applications 15-SP3

SUSE Manager Proxy 4.2

SUSE Manager Retail Branch Server 4.2

SUSE Manager Server 4.2

...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:4219-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow security fix important update integer underflow SUSE Linux Enterprise grub2 patch

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