Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 556
Alerts This Week
Warning Icon 1 556

SUSE: 2023:4280-1 Important: Fix For Linux Kernel Privilege Escalation

suse
Calendar Grey October 31, 2023
Dist Suse Esm H88
Important security patch released for SUSE Linux Kernel addressing privilege escalation vulnerabilities and enhancing overall system protection.
* bsc#1209683 * bsc#1210619 * bsc#1215440 Cross-References:

Summary

## This update for the Linux Kernel 4.12.14-150100_197_157 fixes several issues. The following security issues were fixed: * CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440). * CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619). * CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683). ## 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-SP1 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2023-4280=1

Topics%20covered

Topics Covered

security advisory kernel update privilege escalation SUSE Linux patch

References

* bsc#1209683

* bsc#1210619

* bsc#1215440

Cross-

* CVE-2023-1281

* CVE-2023-1829

* CVE-2023-4623

CVSS scores:

* CVE-2023-1281 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-1281 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-1829 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-1829 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4623 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4623 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 15 SP1

* SUSE Linux Enterprise Live Patching 15-SP1

* SUSE Linux Enterprise Server 15 SP1

* SUSE Linux Enterprise Server for SAP Applications 15 SP1

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4280-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel update privilege escalation SUSE Linux patch

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.