Use-after-free in Linux kernel - CVE-2013-1797

 

Use-after-free in Linux kernel - CVE-2013-1797

Published: March 22, 2013 / Updated: August 11, 2020


Vulnerability identifier: #VU42965
CSH Severity: Medium
CVSS v4: 7.7 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-1797
CWE-ID: CWE-416
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing a crafted application that triggers use of a guest physical address (GPA) in (1) movable or (2) removable memory during an MSR_KVM_SYSTEM_TIME kvm_set_msr_common operation. A guest OS users can cause a denial of service (host OS memory corruption) or possibly have unspecified other impact.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

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

How to mitigate CVE-2013-1797

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

linux (Ubuntu package) - addressed in versions 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