SB2016051618 - Ubuntu update for linux
Published: May 16, 2016 Updated: October 31, 2026
Security Bulletin ID
SB2016051618
CSH Severity
Low
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 vulnerabilities.
1) Integer overflow (CVE-ID: CVE-2016-0758)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists in lib/asn1_decoder.c due to integer overflow. A local attacker can submit specially crafted ASN.1 data and gain root privileges.
2) Improper access control (CVE-ID: CVE-2016-3713)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to read data or crash the application.
The vulnerability exists due to improper access control error within the msr_mtrr_valid() function in arch/x86/kvm/mtrr.c. A local user can read data or crash the application.
Remediation
Install update from vendor's website.