CVE-2010-3881 Information disclosure in n/a

Low 2.1 Published 23 Dec 2010 Updated 7 Aug 2024

Local attackers can read sensitive kernel stack memory via /dev/kvm due to uninitialized structure members in the Linux kernel.

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-2010-3881?

CVE-2010-3881 is a low-severity vulnerability in Linux kernel, published on 23 Dec 2010. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

arch/x86/kvm/x86.c in the Linux kernel before 2.6.36.2 does not initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel stack memory via read operations on the /dev/kvm device.

Weakness: CWE-200

Which versions are affected by CVE-2010-3881?

It affects 6 products.

Linux distribution packages (10)

`kmod-kvm` Red Hat:rhel_virtualization:5::client	All versions	`0:83-164.el5_5.30`
`kvm` Red Hat:rhel_virtualization:5::client	All versions	`0:83-164.el5_5.30`
`kvm-debuginfo` Red Hat:rhel_virtualization:5::client	All versions	`0:83-164.el5_5.30`
`kvm-qemu-img` Red Hat:rhel_virtualization:5::client	All versions	`0:83-164.el5_5.30`
`kvm-tools` Red Hat:rhel_virtualization:5::client	All versions	`0:83-164.el5_5.30`
`kmod-kvm` Red Hat:rhel_virtualization:5::server	All versions	`0:83-164.el5_5.30`
`kvm` Red Hat:rhel_virtualization:5::server	All versions	`0:83-164.el5_5.30`
`kvm-debuginfo` Red Hat:rhel_virtualization:5::server	All versions	`0:83-164.el5_5.30`
`kvm-qemu-img` Red Hat:rhel_virtualization:5::server	All versions	`0:83-164.el5_5.30`
`kvm-tools` Red Hat:rhel_virtualization:5::server	All versions	`0:83-164.el5_5.30`

Products include Linux kernel, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Suse Suse Linux Enterprise Desktop, Suse Suse Linux Enterprise High Availability Extension, Suse Suse Linux Enterprise Server.

How do I fix CVE-2010-3881?

Upgrade to a fixed version.

Is CVE-2010-3881 being exploited?

There is no known exploitation of CVE-2010-3881 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-7ggg-v588-6483, RHSA-2010:0998.