Memory leak in Linux kernel - CVE-2013-4592

 

Memory leak in Linux kernel - CVE-2013-4592

Published: November 20, 2013 / Updated: August 10, 2020


Vulnerability identifier: #VU42354
CSH Severity: Medium
CVSS v4: 5.9 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4592
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to memory leak within the __kvm_set_memory_region function in virt/kvm/kvm_main.c in the Linux kernel before 3.9 allows local users to cause a denial of service (memory consumption) by leveraging certain device access to trigger movement of memory slots. A remote attacker can perform a denial of service attack.


Affected software

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

How to mitigate CVE-2013-4592

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

linux (Ubuntu package) - addressed in versions 3.2.0-58.88, 3.5.0-46.70
linux-lts-quantal (Ubuntu package) - update to 3.5.0-46.70~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-36.52~precise1

External References

Related Security Bulletins