Input validation error in Linux kernel - CVE-2012-1090
Published: May 17, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU44068
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2012-1090
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
The cifs_lookup function in fs/cifs/dir.c in the Linux kernel before 3.2.10 allows local users to cause a denial of service (OOPS) via attempted access to a special file, as demonstrated by a FIFO.
How to mitigate CVE-2012-1090
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
- http://rhn.redhat.com/errata/RHSA-2012-0481.html
- http://rhn.redhat.com/errata/RHSA-2012-0531.html
- http://secunia.com/advisories/48842
- http://secunia.com/advisories/48964
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10
- http://www.openwall.com/lists/oss-security/2012/02/28/4
- https://bugzilla.redhat.com/show_bug.cgi?id=798293
- https://github.com/torvalds/linux/commit/88d7d4e4a439f32acc56a6d860e415ee71d3df08