NULL pointer dereference in Linux kernel - CVE-2011-2482
Published: June 8, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU42784
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2011-2482
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 a crafted SCTP packet.
Affected software
Linux kernel
How to mitigate CVE-2011-2482
Update to version 2.6.21.
Linux kernel - update to 2.6.21
External References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d
- http://rhn.redhat.com/errata/RHSA-2011-1212.html
- http://www.openwall.com/lists/oss-security/2011/08/30/1
- https://bugzilla.redhat.com/show_bug.cgi?id=714867
- https://github.com/torvalds/linux/commit/ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d