Improper Input Validation Affecting kernel-kdump package, versions <0:2.6.32-431.5.1.el6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-RHEL6-KERNELKDUMP-1478173
  • published26 Jul 2021
  • disclosed18 Nov 2013

Introduced: 18 Nov 2013

CVE-2013-7263  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:6 kernel-kdump to version 0:2.6.32-431.5.1.el6 or higher.
This issue was patched in RHSA-2014:0159.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-kdump package and not the kernel-kdump package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1