CVE-2009-1242
MEDIUM severity · CVSS 4.9 · Improper input validation
4.9CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)0%
AV:L/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://openwall.com/lists/oss-security/2009/04/01/3 ↗
Additional information
- NVD record
- http://openwall.com/lists/oss-security/2009/04/01/3Patch
- http://patchwork.kernel.org/patch/15549/Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=16175a796d061833aacfbd9672235f2d2725df65
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.htmlAdvisory
- http://secunia.com/advisories/34478Advisory
- http://secunia.com/advisories/34981Advisory
- http://secunia.com/advisories/35120Advisory