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SUSE: 2023:4796-1 Important patch: CVE-2023-2163 Privilege Escalation

suse
Calendar Grey December 13, 2023
Dist Suse Esm H88
Crucial Ubuntu OS kernel update tackling severe security flaws, boosting overall system integrity and trustworthiness ahead.
* bsc#1215442 * bsc#1215519 Cross-References: * CVE-2023-2163

Summary

## This update for the Linux Kernel 5.3.18-150200_24_151 fixes several issues. The following security issues were fixed: * CVE-2023-4622: Fixed a use-after-free vulnerability in the Unix domain sockets component which could be exploited to achieve local privilege escalation (bsc#1215442). * CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. (bsc#1215519) ## 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 Linux Enterprise Live Patching 15-SP2

Topics%20covered

Topics Covered

security advisory privilege escalation kernel patch local exploit SUSE important update

References

* bsc#1215442

* bsc#1215519

Cross-

* CVE-2023-2163

* CVE-2023-4622

CVSS scores:

* CVE-2023-2163 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

* CVE-2023-2163 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

* CVE-2023-4622 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4622 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 15 SP2

* SUSE Linux Enterprise Live Patching 15-SP2

* SUSE Linux Enterprise Server 15 SP2

* SUSE Linux Enterprise Server for SAP Applications 15 SP2

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-2163.html

* https://www.suse.com/security/cve/CVE-2023-4622.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4796-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation kernel patch local exploit SUSE important update

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