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SUSE: 2021:2060-1 Important: Kernel Live Patch 22 for SLE 15

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Calendar Grey June 18, 2021
Scroller Suse
Critical vulnerabilities have been fixed in the Linux Kernel for SUSE Linux Enterprise (SLE) 15. Follow our guide for applying these essential patches and learn about impacted products.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-150_66 fixes several issues. The following security issues were fixed: - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-32399: Fixed a race condition when removing the HCI controller (bnc#1184611). 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 Server for SAP 12-SP3: zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-2049=1 SUSE-SLE-SAP-12-SP3-2021-2053=1 SUSE-SLE-SAP-12-SP3-2021-2058=1 SUSE-SLE-SAP-12-SP3-2021-2065=1 - SUSE Linux Enterprise Server 12-SP3-LTSS:

Topics%20covered

Topics Covered

security advisory kernel patch SUSE important fix use after free live patch cross-references

References

#1185899 #1186285

Cross- CVE-2021-32399 CVE-2021-33034

CVSS scores:

CVE-2021-32399 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-32399 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2021-33034 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-33034 (SUSE): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected Products:

SUSE Linux Enterprise Server for SAP 12-SP3

SUSE Linux Enterprise Server 12-SP3-LTSS

SUSE Linux Enterprise Module for Live Patching 15

https://www.suse.com/security/cve/CVE-2021-32399.html

https://www.suse.com/security/cve/CVE-2021-33034.html

https://bugzilla.suse.com/1185899

https://bugzilla.suse.com/1186285

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:2060-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel patch SUSE important fix use after free live patch cross-references

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