Input validation error in Linux kernel - CVE-2013-6367

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Main Vulnerability Database Vulnerabilities #VU42230

Input validation error in Linux kernel - CVE-2013-6367

Published: December 14, 2013 / Updated: August 10, 2020


Vulnerability identifier: #VU42230
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-6367
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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

The apic_get_tmcct function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service (divide-by-zero error and host OS crash) via crafted modifications of the TMICT value.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-raring (Ubuntu package)
linux-lts-saucy (Ubuntu package)

How to mitigate CVE-2013-6367

Install update from vendor's website.

linux (Ubuntu package) - addressed in versions 2.6.32-57.119, 3.2.0-59.90, 3.5.0-47.71, 3.11.0-17.31
linux-lts-quantal (Ubuntu package) - update to 3.5.0-47.71~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-37.53~precise1
linux-lts-saucy (Ubuntu package) - update to 3.11.0-17.31~precise1

External References

Related Security Bulletins