CVE-2009-3638 Integer overflow in n/a

High 7.2 Published 29 Oct 2009 Updated 7 Aug 2024

Local attackers can exploit an integer overflow in the Linux kernel KVM subsystem to potentially escalate privileges or cause a denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2009-3638?

CVE-2009-3638 is a high-severity vulnerability in Linux kernel, published on 29 Oct 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.31.4 allows local users to have an unspecified impact via a KVM_GET_SUPPORTED_CPUID request to the kvm_arch_dev_ioctl function.

Weakness: CWE-189

Which versions are affected by CVE-2009-3638?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2009-3638?

Upgrade to a fixed version.

Is CVE-2009-3638 being exploited?

There is no known exploitation of CVE-2009-3638 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-c3h8-f8h6-m66m.