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SUSE: 2022:0998-1 Important Kernel Update: Privilege Escalation & Heap Bug

suse
Calendar Grey March 29, 2022
Dist Suse Esm H88
Essential modifications resolve key vulnerabilities in the Linux Kernel for SUSE distributions; implement updates without delay.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-150300_59_46 fixes several issues. The following security issues were fixed: - CVE-2022-25636: Fixed an issue which allowed a local users to gain privileges because of a heap out-of-bounds write in nf_dup_netdev.c, related to nf_tables_offload (bsc#1196299). - CVE-2022-0492: Fixed a privilege escalation related to cgroups v1 release_agent feature, which allowed bypassing namespace isolation unexpectedly (bsc#1195543). Patch Instructions: To install this SUSE Security 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 Module for Live Patching 15-SP3:

Topics%20covered

Topics Covered

security advisory kernel update heap corruption privilege escalation SUSE

References

#1195908 #1196301

Cross- CVE-2022-0492 CVE-2022-25636

CVSS scores:

CVE-2022-0492 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-0492 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-25636 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-25636 (SUSE): 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-SP3

SUSE Linux Enterprise Micro 5.1

SUSE Linux Enterprise Module for Live Patching 15-SP3

SUSE Linux Enterprise Server 15-SP3

SUSE Linux Enterprise Server for SAP Applications 15-SP3

https://www.suse.com/security/cve/CVE-2022-0492.html

https://www.suse.com/security/cve/CVE-2022-25636.html

https://bugzilla.suse.com/1195908

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:0998-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel update heap corruption privilege escalation SUSE

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