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Alerts This Week
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SUSE: 2021:4075-1 Important: Linux Kernel Update for Security Issue

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Calendar Grey December 14, 2021
Scroller Suse
This critical Fedora upgrade addresses a kernel vulnerability connected to data exposure and boosts overall system defense for software updates.
An update that fixes one vulnerability is now available

Summary

This update for the Linux Kernel 5.3.18-59_24 fixes one issue. The following security issue was fixed: - CVE-2021-20322: Make the ipv4 and ipv6 ICMP exception caches less predictive to avoid information leaks about UDP ports in use. (bsc#1191790) 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 information leak kernel update critical SUSE Live Patching CVE-2021-20322

References

#1191813

Cross- CVE-2021-20322

CVSS scores:

CVE-2021-20322 (SUSE): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products:

SUSE Linux Enterprise Module for Live Patching 15-SP3

SUSE Linux Enterprise Module for Live Patching 15-SP2

https://www.suse.com/security/cve/CVE-2021-20322.html

https://bugzilla.suse.com/1191813

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:4075-1
Rating: important

Topics%20covered

Topics Covered

security advisory information leak kernel update critical SUSE Live Patching CVE-2021-20322

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