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SUSE: 2023:0501-1 Critical: Major Kernel Issues Resolved

suse
Calendar Grey September 23, 2022
Dist Suse Esm H88
Debian Security Patch addresses significant vulnerabilities in the Linux Kernel affecting Live Patching for Debian 10 Buster.
An update that fixes three vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-122_98 fixes several issues. The following security issues were fixed: - CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116). - CVE-2022-29581: Fixed an improper Update of Reference Count vulnerability in net/sched that causes privilege escalation to root (bsc#1199695). - CVE-2022-1652: Fixed a use-after-free in bad_flp_intr (bsc#1200057). 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 Live Patching 12-SP5:

Topics%20covered

Topics Covered

security advisory privilege escalation important race condition kernel SUSE live patching

References

#1199695 #1200057 #1203116

Cross- CVE-2022-1652 CVE-2022-29581 CVE-2022-39188

CVSS scores:

CVE-2022-1652 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-1652 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-29581 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-29581 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-39188 (NVD) : 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-39188 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Live Patching 12-SP5

https://www.suse.com/security/cve/CVE-2022-1652.html

https://www.suse.com/security/cve/CVE-2022-29581.html

https://www.suse.com/security/cve/CVE-2022-39188.html

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:3350-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation important race condition kernel SUSE live patching

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