Input validation error in Linux kernel - CVE-2012-2744
Published: August 9, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43756
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-2012-2744
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 certain types of fragmented IPv6 packets.
How to mitigate CVE-2012-2744
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9e2dcf72023d1447f09c47d77c99b0c49659e5ce
- http://rhn.redhat.com/errata/RHSA-2012-1064.html
- http://rhn.redhat.com/errata/RHSA-2012-1148.html
- http://secunia.com/advisories/49928
- http://www.securityfocus.com/bid/54367
- http://www.securitytracker.com/id?1027235
- https://bugzilla.redhat.com/show_bug.cgi?id=833402
- https://github.com/torvalds/linux/commit/9e2dcf72023d1447f09c47d77c99b0c49659e5ce