CVE-2012-2744

High

net/ipv6/netfilter/nf_conntrack_reasm.c in the Linux kernel before 2.6.34, when the nf_conntrack_ipv6 module is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via certain types of fragmented IPv6 packets.

Package Linux Kernel
Published 2012-08-09
Last modified 2026-04-29
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

7.8

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
User Interaction
Scope
Confidentiality
Low
Integrity
None
Availability
Vector string
AV:N/AC:L/Au:N/C:N/I:N/A:C

Frequently asked questions

  • What is CVE-2012-2744?

    CVE-2012-2744 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2012-2744 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2012-2744?

    CVE-2012-2744 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:C .

  • Is there a patch available for CVE-2012-2744?

    No patch is currently available for CVE-2012-2744. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2012-2744 actively exploited?

    No — CVE-2012-2744 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.