SB2014010602 - Input validation error in Linux kernel

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Main Vulnerability Database SB2014010602

SB2014010602 - Input validation error in Linux kernel

Published: January 6, 2014 Updated: August 10, 2020

Security Bulletin ID SB2014010602
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2013-7263)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The Linux kernel before 3.12.4 updates certain length values before ensuring that associated data structures have been initialized, which allows local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call, related to net/ipv4/ping.c, net/ipv4/raw.c, net/ipv4/udp.c, net/ipv6/raw.c, and net/ipv6/udp.c.


Remediation

Install update from vendor's website.

References