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SUSE: 2024:0685-1 Critical: Linux Kernel Live Patch Security Update

suse
Calendar Grey February 29, 2024
Dist Suse Esm H88
SUSE Linux Kernel Live Patch 6 release tackles high-risk security flaws, emphasizing vulnerability mitigation and timely updates.
* bsc#1215300 * bsc#1218733 Cross-References: * CVE-2023-4921

Summary

## This update for the Linux Kernel 5.14.21-150500_55_28 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 15.4 zypper in -t patch SUSE-2024-685=1 * SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2024-685=1 * openSUSE Leap 15.5

Topics%20covered

Topics Covered

security advisory critical threat important suse escalation linux kernel live patching

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 15.4

* openSUSE Leap 15.5

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise Live Patching 15-SP4

* SUSE Linux Enterprise Live Patching 15-SP5

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Real Time 15 SP4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:0685-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical threat important suse escalation linux kernel live patching

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