SB2014111003 - NULL pointer dereference in Linux kernel

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Main Vulnerability Database SB2014111003

SB2014111003 - NULL pointer dereference in Linux kernel

Published: November 10, 2014 Updated: August 10, 2020

Security Bulletin ID SB2014111003
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2014-7207)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in Debian patch to the IPv6 implementation in the Linux kernel 3.2.x through 3.2.63 does not properly validate arguments in ipv6_select_ident function calls, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging (1) tun or (2) macvtap device access. <a href="http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References