SB2016050302 - Red Hat update for kernel
Published: May 3, 2016
Security Bulletin ID
SB2016050302
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Privilege escalation (CVE-ID: CVE-2015-5157)
The vulnerability allows a local attacker to gain elevated privileges on the target system.The weakness exists in arch/x86/entry/entry_64.S on the x86_64 platform due to mishandling of IRET faults in processing NMIs that occurred during userspace execution. A local attacker can trigger NMI and bypass security restrictions.
2) Race condition (CVE-ID: CVE-2015-8767)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in net/sctp/sm_sideeffect.c due to improper management of the relationship between a lock and a socket. A local attacker can submit a specially crafted sctp_accept call, trigger race condition and cause the service to crash.
Remediation
Install update from vendor's website.