SB2016082903 - SUSE Linux update for Linux Kernel Live Patch 2 for SLE 12 SP1
Published: August 29, 2016
Security Bulletin ID
SB2016082903
Severity
Medium
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 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) Heap-based buffer overflow (CVE-ID: CVE-2016-5829)
The vulnerability allows a local attacker to cause DoS condition or gain elevated privileges on the target system.The weakness exists in the hiddev_ioctl_usage function in drivers/hid/usbhid/hiddev.c due to heap-based buffer overflow. A local attacker can cause the service to crash or gain elevated privileges via a crafted (1) HIDIOCGUSAGES or (2) HIDIOCSUSAGES ioctl call.
3) Race condition (CVE-ID: CVE-2016-6480)
The vulnerability allows local users to provoke a denial of service.
The vulnerability exists due to parafunction of ioctl_send_fib. By altering "double fetch" vulnerability, a local user can provoke a denial of service.
Successful exploitation of this vulnerability will allow an attacker to cause a denial of service
Remediation
Install update from vendor's website.