SB2012012706 - NULL pointer dereference in Linux kernel
Published: January 27, 2012 Updated: August 11, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2011-4110)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- http://marc.info/?l=bugtraq&m=139447903326211&w=2
- http://secunia.com/advisories/47754
- http://www.openwall.com/lists/oss-security/2011/11/21/19
- http://www.openwall.com/lists/oss-security/2011/11/22/5
- http://www.openwall.com/lists/oss-security/2011/11/22/6
- http://www.securityfocus.com/bid/50755
- http://www.ubuntu.com/usn/USN-1324-1
- http://www.ubuntu.com/usn/USN-1328-1
- http://www.ubuntu.com/usn/USN-1344-1
- https://bugzilla.redhat.com/show_bug.cgi?id=751297
- https://lkml.org/lkml/2011/11/15/363