Input validation error in Linux kernel - CVE-2013-1798

 

Input validation error in Linux kernel - CVE-2013-1798

Published: March 22, 2013 / Updated: July 20, 2020


Vulnerability identifier: #VU28410
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-1798
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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

The ioapic_read_indirect function in virt/kvm/ioapic.c in the Linux kernel through 3.8.4 does not properly handle a certain combination of invalid IOAPIC_REG_SELECT and IOAPIC_REG_WINDOW operations, which allows guest OS users to obtain sensitive information from host OS memory or cause a denial of service (host OS OOPS) via a crafted application.


Affected software

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

How to mitigate CVE-2013-1798

Install update from vendor's website.

Linux kernel - addressed in versions 4.9.214, 4.14.171, 4.19.103, 5.6
linux (Ubuntu package) - addressed in versions 2.6.32-48.110, 3.2.0-41.66, 3.5.0-28.48
linux-lts-quantal (Ubuntu package) - update to 3.5.0-28.48~precise1

External References

Related Security Bulletins