Permissions, Privileges, and Access Controls in Linux kernel - CVE-2014-4157
Published: June 23, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41526
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-4157
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
arch/mips/include/asm/thread_info.h in the Linux kernel before 3.14.8 on the MIPS platform does not configure _TIF_SECCOMP checks on the fast system-call path, which allows local users to bypass intended PR_SET_SECCOMP restrictions by executing a crafted application without invoking a trace or audit subsystem.
Affected software
Linux kernel
How to mitigate CVE-2014-4157
Install update from vendor's website.
Linux kernel - update to 3.14.8
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=137f7df8cead00688524c82360930845396b8a21
- http://openwall.com/lists/oss-security/2014/06/16/1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.8
- http://www.openwall.com/lists/oss-security/2014/06/17/17
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=751417
- https://github.com/torvalds/linux/commit/137f7df8cead00688524c82360930845396b8a21