Privilege escalation in Linux kernel

Published: 2016-10-19 00:00:00 | Updated: 2017-02-13
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2016-5195
Exploitation vector Local
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Linux kernel
Vulnerable software versions Linux kernel 2.6.9
Linux kernel
Linux kernel 2.6.8

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Vendor URL Linux Foundation

Security Advisory

1) Privilege escalation


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.


Update to version 4.9-rc2.

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