Input validation error in Linux kernel - CVE-2011-0709
Published: February 18, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45310
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2011-0709
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and system crash) via an IGMP packet, related to lack of a multicast table.
How to mitigate CVE-2011-0709
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7f285fa78d4b81b8458f05e77fb6b46245121b4e
- http://openwall.com/lists/oss-security/2011/02/16/1
- http://openwall.com/lists/oss-security/2011/02/16/14
- http://openwall.com/lists/oss-security/2011/02/16/8
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.35/ChangeLog-2.6.35-rc5
- http://www.securityfocus.com/bid/41432
- http://www.spinics.net/lists/netdev/msg134414.html
- http://www.spinics.net/lists/netdev/msg134444.html