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…

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.

Scores

EPSS (exploitation in 30 days)

0.47% · top 59% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (27)

• http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.29-git1.log (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.globalsecuritymag.com/Vigil-nce-Linux-kernel-denial-of%2C20090402%2C8311 (opens in a new tab)x_refsource_MISCx_transferred
• linux-kernel-eferlme-dos(49594) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 35226 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://patchwork.kernel.org/patch/15549/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 34478 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 34331 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=16175a796d061833aacfbd9672235f2d2725df65 (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2009-5356 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• SUSE-SA:2009:032 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 35656 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20090516 rPSA-2009-0084-1 kernel (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-EFER-8585 (opens in a new tab)x_refsource_MISCx_transferred
• 35120 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2009:031 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-793-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 34981 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• DSA-1800 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 35387 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• DSA-1787 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• http://wiki.rpath.com/Advisories:rPSA-2009-0084 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [oss-security] 20090401 CVE request: kernel: KVM: VMX: Dont allow uninhibited access to EFER on i386 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 35121 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2009-0924 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=502109 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 35394 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2009-1242](https://trackcve.app/badge/CVE-2009-1242.svg)](https://trackcve.app/cve/CVE-2009-1242)

Record last updated 7 Aug 2024, 05:04 UTC.