Vulnerability in Linux Kernel
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 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."
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.2 (High). Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (31.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.25
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi
- www.ubuntu.com/usn/USN-852-1 (vendor-advisory)
- www.openwall.com/lists/oss-security/2009/09/18/1 (mailing-list)
- patchwork.kernel.org/patch/38926/ (Patch)
- www.redhat.com/support/errata/RHSA-2009-1465.html (vendor-advisory, Vendor Advisory)
- www.openwall.com/lists/oss-security/2009/09/22/8 (mailing-list)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:11328 (signature, vdb-entry)
- www.openwall.com/lists/oss-security/2009/09/21/1 (mailing-list)
- git.kernel.org/
- secunia.com/advisories/37105 (Vendor Advisory, third-party-advisory)