Vulnerability Description
crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a failed or missing ghash_setkey function call, followed by a (1) ghash_update function call or (2) ghash_final function call, as demonstrated by a write operation on an AF_ALG socket.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.1 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing ListPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2011/10/27/2Mailing ListPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=749475Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/7ed47b7d142ec99ad6880bbbec51e9f12b3af74ExploitPatchThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing ListPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2011/10/27/2Mailing ListPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=749475Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/7ed47b7d142ec99ad6880bbbec51e9f12b3af74ExploitPatchThird Party Advisory
FAQ
What is CVE-2011-4081?
CVE-2011-4081 is a vulnerability with a CVSS score of 5.5 (MEDIUM). crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a fail...
How severe is CVE-2011-4081?
CVE-2011-4081 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4081?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.