SB2016120810 - Permissions, privileges, and access controls in Linux kernel arm64 kernel
Published: December 8, 2016
Security Bulletin ID
SB2016120810
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, privileges, and access controls (CVE-ID: CVE-2015-8967)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to permissions, privileges, and access controls error within the sys_rt_sigreturn_wrapper() function in arch/arm64/kernel/sys.c. A local non-authenticated attacker can execute arbitrary code.
Remediation
Install update from vendor's website.