Permissions, privileges, and access controls in Linux kernel - CVE-2012-6657
Published: September 28, 2014 / Updated: February 13, 2023
Vulnerability identifier: #VU92513
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-6657
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to security restrictions bypass error. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
Ubuntu
linux (Ubuntu package)
How to mitigate CVE-2012-6657
Install update from vendor's repository.
linux (Ubuntu package) - addressed in versions 2.6.32-49.111, 3.2.0-34.53
External References
- https://bugzilla.redhat.com/show_bug.cgi?id=1141742
- http://www.openwall.com/lists/oss-security/2014/09/15/8
- https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://marc.info/?l=bugtraq&m=142722450701342&w=2
- http://marc.info/?l=bugtraq&m=142722544401658&w=2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e10986d1d698140747fcfc2761ec9cb64c1d582