SB2016102706 - SUSE Linux update for Linux Kernel Live Patch 13 for SLE 12
Published: October 27, 2016 Updated: December 15, 2022
Security Bulletin ID
SB2016102706
Severity
Medium
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2016-4997)
The vulnerability allows a local user to obtain elevated privileges on the target system.The vulnerability exists due to a memory corruption error in the IPT_SO_SET_REPLACE compat_setsockopt() function.
Successful exploitation of this vulnerability may lead to arbitrary code execution with kernel-level privileges.
2) Privilege escalation (CVE-ID: CVE-2016-5195)
The vulnerability allows a local user to obtain elevated privileges on the target system.The weakness is due to race condition in the kernel memory subsystem in the management of copy-on-write operations on read-only memory mappings that lets attackers to overwrite kernel memory and gain kernel-level privileges.
Successful exploitation of the vulnerability results in gaining of root privileges on the vulnerable system.
Note: the vulnerability was being actively exploited.
Remediation
Install update from vendor's website.