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CVE-2009-3638
Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before…
- 7.2HighCVSS base score
- 0.51%Exploitation in 30 daysEPSS · top 56% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Integer overflow in the kvm_dev_ioctl_get_supported_cpuid function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.31.4 allows local users to have an unspecified impact via a KVM_GET_SUPPORTED_CPUID request to the kvm_arch_dev_ioctl function.
Timeline
ID reserved
By redhat
- 20 days later
· 20 days later
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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)
- 0.51% · top 56% of all CVEs (11 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.
Affected products
n/a
- affected n/a
References
References11
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20091023 Re: CVE request: kvm: integer overflow in kvm_dev_ioctl_get_supported_cpuid() (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6a54435560efdab1a08f429a954df4d6c740bddf (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc4 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-864-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- MDVSA-2009:329 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=530515 (opens in a new tab)x_refsource_CONFIRMx_transferred
- linux-kernel-supportedcpuid-code-execution(53934) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 36803 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20091023 CVE request: kvm: integer overflow in kvm_dev_ioctl_get_supported_cpuid() (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2009-11038 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_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)
- EUVD EUVD-2009-3613 (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://cveledger.app/cve/CVE-2009-3638)Record last updated .