CVE-2009-1242

Linux Kernel < 2.6.29.1 - Improper Input Validation

Title source: rule

Description

The vmx_set_msr function in arch/x86/kvm/vmx.c in the VMX implementation in the KVM subsystem in the Linux kernel before 2.6.29.1 on the i386 platform allows guest OS users to cause a denial of service (OOPS) by setting the EFER_LME (aka "Long mode enable") bit in the Extended Feature Enable Register (EFER) model-specific register, which is specific to the x86_64 platform.

References (27)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=16175a796d061833aacfbd9672235f2d2725df65

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.html

[Mailing List, Patch, Third Party Advisory] http://openwall.com/lists/oss-security/2009/04/01/3

[Patch, Vendor Advisory] http://patchwork.kernel.org/patch/15549/

[Third Party Advisory] http://secunia.com/advisories/34478

[Third Party Advisory] http://secunia.com/advisories/34981

[Third Party Advisory] http://secunia.com/advisories/35120

[Third Party Advisory] http://secunia.com/advisories/35121

[Third Party Advisory] http://secunia.com/advisories/35226

[Third Party Advisory] http://secunia.com/advisories/35387

[Third Party Advisory] http://secunia.com/advisories/35394

[Third Party Advisory] http://secunia.com/advisories/35656

[Third Party Advisory] http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-EFER-8585

[Broken Link] http://wiki.rpath.com/Advisories:rPSA-2009-0084

[Third Party Advisory] http://www.debian.org/security/2009/dsa-1787

[Third Party Advisory] http://www.debian.org/security/2009/dsa-1800

[Various Sources] http://www.globalsecuritymag.com/Vigil-nce-Linux-kernel-denial-of%2C20090402%2C8311

[Broken Link] http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1

[Broken Link] http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.29-git1.log

... and 7 more

Scores

EPSS 0.0007

EPSS Percentile 20.7%

Classification

CWE

CWE-20

Status draft

Affected Products (10)

linux/linux_kernel < 2.6.29.1

opensuse/opensuse

opensuse/opensuse

debian/debian_linux

debian/debian_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

fedoraproject/fedora

Timeline

Published Apr 06, 2009

Tracked Since Feb 18, 2026