CVE-2014-1874
MEDIUM severity · CVSS 4.9 · Improper input validation
4.9CVSS MEDIUM
Summary
The security_context_to_sid_core function in security/selinux/ss/services.c in the Linux kernel before 3.13.4 allows local users to cause a denial of service (system crash) by leveraging the CAP_MAC_ADMIN capability to set a zero-length security context.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)1%
AV:L/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.4Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2172fa709ab32ca60e86179dc67d0857be8e2c98
- http://linux.oracle.com/errata/ELSA-2014-0771.htmlAdvisory
- http://linux.oracle.com/errata/ELSA-2014-3043.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlAdvisory
- http://secunia.com/advisories/59262Advisory
- http://secunia.com/advisories/59309Advisory
- http://secunia.com/advisories/59406Advisory