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SUSE: 2024:0620-1 Important: Use-After-Free Threat in Kernel RT

suse
Calendar Grey February 26, 2024
Dist Suse Esm H88
Patch released targeting type confusion vulnerability in Linux Kernel RT for SLE 15 SP5, enhances protection measures against potential threats.
* bsc#1218733 Cross-References: * CVE-2023-51780

Summary

## This update for the Linux Kernel 5.14.21-150500_13_24 fixes one issue. The following security issue was fixed: * 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-2024-620=1 SUSE-2024-621=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-620=1 SUSE-SLE- Module-Live-Patching-15-SP5-2024-621=1 ## Package List: * openSUSE Leap 15.5 (x86_64) * kernel-livepatch-5_14_21-150500_13_24-rt-4-150500.2.1

Topics%20covered

Topics Covered

security advisory important system patch SUSE kernel exploit use-after-free SLE 15 SP5

References

* bsc#1218733

Cross-

* CVE-2023-51780

CVSS scores:

* 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 one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-51780.html

* https://bugzilla.suse.com/show_bug.cgi?id=1218733

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:0620-1
Rating: important

Topics%20covered

Topics Covered

security advisory important system patch SUSE kernel exploit use-after-free SLE 15 SP5

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