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4.9
CVSSv2

CVE-2009-1242

Published: 06/04/2009 Updated: 07/11/2023
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
VMScore: 437
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
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Vulnerability Summary

The vmx_set_msr function in arch/x86/kvm/vmx.c in the VMX implementation in the KVM subsystem in the Linux kernel prior to 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.

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linux linux kernel

opensuse opensuse 11.1

opensuse opensuse 11.0

debian debian linux 5.0

debian debian linux 4.0

canonical ubuntu linux 9.04

canonical ubuntu linux 8.10

canonical ubuntu linux 8.04

canonical ubuntu linux 6.06

fedoraproject fedora 10

Vendor Advisories

Ubuntu Security Notice: linux, linux-source-2.6.15 vulnerabilities
Igor Zhbanov discovered that NFS clients were able to create device nodes even when root_squash was enabled An authenticated remote attacker could create device nodes with open permissions, leading to a loss of privacy or escalation of privileges Only Ubuntu 810 and 904 were affected (CVE-2009-1072) ...
Debian Security Advisories: DSA-1787-1 linux-2.6.24 -- denial of service/privilege escalation/information leak
Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2008-4307 Bryn M Reeves reported a denial of service in the NFS filesystem Local users can trigger a kernel BUG() due to a r ...

References

CWE-20http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-EFER-8585http://secunia.com/advisories/34478http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1http://openwall.com/lists/oss-security/2009/04/01/3http://patchwork.kernel.org/patch/15549/http://www.securityfocus.com/bid/34331http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.29-git1.loghttp://www.vupen.com/english/advisories/2009/0924http://www.debian.org/security/2009/dsa-1787http://secunia.com/advisories/34981http://wiki.rpath.com/Advisories:rPSA-2009-0084http://www.debian.org/security/2009/dsa-1800http://secunia.com/advisories/35121https://bugzilla.redhat.com/show_bug.cgi?id=502109http://secunia.com/advisories/35226https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01126.htmlhttp://secunia.com/advisories/35120http://secunia.com/advisories/35394http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.htmlhttp://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.htmlhttp://secunia.com/advisories/35387http://secunia.com/advisories/35656http://www.ubuntu.com/usn/usn-793-1https://exchange.xforce.ibmcloud.com/vulnerabilities/49594http://www.securityfocus.com/archive/1/503610/100/0/threadedhttp://www.globalsecuritymag.com/Vigil-nce-Linux-kernel-denial-of%2C20090402%2C8311http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=16175a796d061833aacfbd9672235f2d2725df65https://nvd.nist.govhttps://usn.ubuntu.com/793-1/
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