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SUSE 15 SP5: 2024:0624-1 Important: Kernel RT Live Patch Security

suse
Calendar Grey February 26, 2024
Dist Suse Esm H88
The latest Linux Kernel RT revision tackles security flaws identified as CVE-2023-4921 and CVE-2023-51780, as per advisory SUSE-SU-2024:0624-1.
* bsc#1215300 * bsc#1218733 Cross-References: * CVE-2023-4921

Summary

## This update for the Linux Kernel 5.14.21-150500_13_18 fixes several issues. The following security issues were fixed: * CVE-2023-4921: Fixed a use-after-free vulnerability in the QFQ network scheduler which could be exploited to achieve local privilege escalation (bsc#1215300). * CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218733). ## 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: * openSUSE Leap 15.5 zypper in -t patch SUSE-2024-624=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-624=1 ## Package List:

Topics%20covered

Topics Covered

security advisory security update local privilege escalation kernel SUSE

References

* bsc#1215300

* bsc#1218733

Cross-

* CVE-2023-4921

* CVE-2023-51780

CVSS scores:

* CVE-2023-4921 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4921 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-51780 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-51780 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.5

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise Live Patching 15-SP5

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Real Time 15 SP5

* SUSE Linux Enterprise Server 15 SP5

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves two vulnerabilities can now be installed.

##

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:0624-1
Rating: important

Topics%20covered

Topics Covered

security advisory security update local privilege escalation kernel SUSE

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