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CVE-2009-3290
The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when…
High7.2EPSS 0.40%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.40% · top 66% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Weakness
Affected products
n/a
- affected n/a
References (10)
- https://bugzilla.redhat.com/show_bug.cgi?id=524124 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-852-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [oss-security] 20090918 CVE request: kernel: KVM: x86: Disallow hypercalls for guest callers in rings > 0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://patchwork.kernel.org/patch/38926/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2009:1465 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20090922 Re: CVE request: kernel: KVM: x86: Disallow hypercalls for guest callers in rings > 0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- oval:org.mitre.oval:def:11328 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- [oss-security] 20090921 Re: CVE request: kernel: KVM: x86: Disallow hypercalls for guest callers in rings > 0 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=07708c4af1346ab1521b26a202f438366b7bcffd (opens in a new tab)x_refsource_CONFIRMx_transferred
- 37105 (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
[](https://trackcve.app/cve/CVE-2009-3290)Record last updated .