Privilege escalation in Linux kernel - CVE-2010-3081
Published: January 4, 2017
Vulnerability identifier: #VU3476
CSH Severity: Medium
CVSS v4.0: 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/E:A/U:Green
CVE-ID: CVE-2010-3081
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges.
The vulnerability exists due to improper allocation of userspace memory required for the 32-bit compatibility layer within compat_alloc_user_space() function in include/asm/compat.h file on on 64-bit platforms. A local user can call compat_mc_getsockopt() function and gain control over vulnerable system.
Successful exploitation of the vulnerability allows a local non-privileged user to gain root privileges.
How to mitigate CVE-2010-3081
Update to kernel version 2.6.36-rc4-git2 or newer.