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SUSE: 2023:4130-1 Critical: Grub2 Code Execution and Data Leak

suse
Calendar Grey October 19, 2023
Scroller Suse
Essential grub2 patches in SUSE address significant vulnerabilities, minimizing threats of code exploitation and data exposure.
* bsc#1215935 * bsc#1215936 Cross-References: * CVE-2023-4692

Summary

## This update for grub2 fixes the following issues: * CVE-2023-4692: Fixed an out-of-bounds write at fs/ntfs.c which may lead to unsigned code execution. (bsc#1215935) * CVE-2023-4693: Fixed an out-of-bounds read at fs/ntfs.c which may lead to leak sensitive information. (bsc#1215936) ## Patch Instructions: To install this SUSE 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 Manager Proxy 4.2 Module 4.2 zypper in -t patch SUSE-SLE-Module-SUSE-Manager-Proxy-4.2-2023-4130=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3 zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-ESPOS-2023-4130=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3

Topics%20covered

Topics Covered

security advisory critical code execution SUSE data leak grub2

References

* bsc#1215935

* bsc#1215936

Cross-

* CVE-2023-4692

* CVE-2023-4693

CVSS scores:

* CVE-2023-4692 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4693 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Products:

* SUSE Enterprise Storage 7.1

* SUSE Linux Enterprise High Performance Computing 15 SP3

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3

* SUSE Linux Enterprise Micro 5.2

* SUSE Linux Enterprise Micro for Rancher 5.2

* SUSE Linux Enterprise Server 15 SP3

* SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3

* SUSE Linux Enterprise Server for SAP Applications 15 SP3

* SUSE Manager Proxy 4.2

* SUSE Manager Proxy 4.2 Module 4.2

* SUSE Manager Retail Branch Server 4.2

* SUSE Manager Server 4.2

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4130-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical code execution SUSE data leak grub2

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