Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges

Alerts This Week
Warning Icon 1 488
Alerts This Week
Warning Icon 1 488

SUSE: 2021:2042-1 Important: Live Kernel Patch for SAP 12-SP3

suse
Calendar Grey June 18, 2021
Scroller Suse
New patch released for Linux Kernel targeting two vulnerabilities in SUSE SLE 12 SP3. This update is crucial for enhancing system integrity and protecting against potential threats.
An update that solves two vulnerabilities and has one errata is now available

Summary

This update for the Linux Kernel 4.4.180-94_138 fixes several issues. The following 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). - Fixed a regression with the last livepatch which caused a kernel warning during sysfs read (bsc#1186235). 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-SP3-2021-2035=1 SUSE-SLE-SAP-12-SP3-2021-2042=1

Topics%20covered

Topics Covered

security advisory kernel patch SUSE important update live patch

References

#1185899 #1186235 #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

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/1186235

https://bugzilla.suse.com/1186285

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:2042-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel patch SUSE important update live patch

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.