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 1 465
Alerts This Week
Warning Icon 1 465

SUSE: 2021:3736-2 Critical Remote Vulnerability and Buffer Overflow Updates

suse
Calendar Grey November 19, 2021
Scroller Suse
Crucial SUSE Security Patch addresses vulnerabilities in the Linux Kernel, mitigating risks associated with local privilege escalation and integer overflows.
An update that fixes three vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-122_60 fixes several issues. The following security issues were fixed: - CVE-2021-0935: Fixed use after free that could lead to local escalation of privilege in ip6_xmit of ip6_output.c (bsc#1192042). - CVE-2021-3752: Fixed vulnerability in the linux kernel Bluetooth uaf module (bsc#1190432). - CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#1191318). 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:

Topics%20covered

Topics Covered

security advisory important integer overflow local escalation live patching

References

#1190432 #1191318 #1192042

Cross- CVE-2021-0935 CVE-2021-3752 CVE-2021-41864

CVSS scores:

CVE-2021-0935 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-3752 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2021-41864 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Module for Live Patching 15

SUSE Linux Enterprise Live Patching 12-SP5

SUSE Linux Enterprise Live Patching 12-SP4

https://www.suse.com/security/cve/CVE-2021-0935.html

https://www.suse.com/security/cve/CVE-2021-3752.html

https://www.suse.com/security/cve/CVE-2021-41864.html

https://bugzilla.suse.com/1190432

https://bugzilla.suse.com/1191318

https://bugzilla.suse.com/1192042

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:3735-1
Rating: important

Topics%20covered

Topics Covered

security advisory important integer overflow local escalation live patching

Get the latest News and Insights

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