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SUSE: 2022:3606-1 Important: Kernel Live Patch Fixes Critical Threats

suse
Calendar Grey October 18, 2022
Dist Suse Esm H88
Crucial SUSE security enhancement tackling six significant vulnerabilities in the Linux kernel concerning SLE 15 SP3 modules and real-time patching.
An update that fixes 6 vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-150300_59_93 fixes several issues. The following security issues were fixed: - CVE-2022-41674: Fixed buffer overflow that can be triggered by injected WLAN frames (bsc#1203994). - CVE-2022-42719: Fixed use-after-free in the mac80211 stack when parsing a multi-BSSID element (bsc#1204292). - CVE-2022-42720: Fixed refcounting bugs in the multi-BSS handling of the mac80211 stack (bsc#1204291). - CVE-2022-42721: Fixed list management bug in BSS handling of the mac80211 stack (bsc#1204290). - CVE-2022-41222: Fixed a use-after-free via a stale TLB (bsc#1203624). - CVE-2022-39189: Fixed mishandled TLB flush operation in certain KVM_VCPU_PREEMPTED situations (bsc#1203067). Patch Instructions:

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel security issues SUSE Linux live patch

References

#1203067 #1203624 #1203994 #1204290 #1204291

#1204292

Cross- CVE-2022-39189 CVE-2022-41222 CVE-2022-41674

CVE-2022-42719 CVE-2022-42720 CVE-2022-42721

CVSS scores:

CVE-2022-39189 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-39189 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-41222 (NVD) : 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2022-41222 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-41674 (SUSE): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-42719 (SUSE): 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-42720 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-42720 (SUSE): 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:3606-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel security issues SUSE Linux live patch

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