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

suse
Calendar Grey October 19, 2023
Dist Suse Esm H88
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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