CVE-2010-4525 Information disclosure in n/a

Low 1.9 Published 11 Jan 2011 Updated 7 Aug 2024

Local attackers can read sensitive kernel stack memory due to uninitialized KVM interrupt padding structures.

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-2010-4525?

CVE-2010-4525 is a low-severity vulnerability in Linux kernel, published on 11 Jan 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Linux kernel 2.6.33 and 2.6.34.y does not initialize the kvm_vcpu_events->interrupt.pad structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via unspecified vectors.

Weakness: CWE-200

Which versions are affected by CVE-2010-4525?

It affects 1 product.

Linux distribution packages (12)

`kmod-kvm` Red Hat:rhel_virtualization:5::client	All versions	`0:83-224.el5`
`kmod-kvm-debug` Red Hat:rhel_virtualization:5::client	All versions	`0:83-224.el5`
`kvm` Red Hat:rhel_virtualization:5::client	All versions	`0:83-224.el5`
`kvm-debuginfo` Red Hat:rhel_virtualization:5::client	All versions	`0:83-224.el5`
`kvm-qemu-img` Red Hat:rhel_virtualization:5::client	All versions	`0:83-224.el5`
`kvm-tools` Red Hat:rhel_virtualization:5::client	All versions	`0:83-224.el5`
`kmod-kvm` Red Hat:rhel_virtualization:5::server	All versions	`0:83-224.el5`
`kmod-kvm-debug` Red Hat:rhel_virtualization:5::server	All versions	`0:83-224.el5`
`kvm` Red Hat:rhel_virtualization:5::server	All versions	`0:83-224.el5`
`kvm-debuginfo` Red Hat:rhel_virtualization:5::server	All versions	`0:83-224.el5`
`kvm-qemu-img` Red Hat:rhel_virtualization:5::server	All versions	`0:83-224.el5`
`kvm-tools` Red Hat:rhel_virtualization:5::server	All versions	`0:83-224.el5`

Products include Linux kernel.

How do I fix CVE-2010-4525?

Apply the vendor's patch.

Is CVE-2010-4525 being exploited?

There is no known exploitation of CVE-2010-4525 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-vmfq-82qr-6c52, RHSA-2011:0028.