Vulnerability in Linux Kernel
CVE-2009-3722
The handle_dr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 2.6.31.1 does not properly verify the Current Privilege Level (CPL) before accessing a debug register, which allows guest OS users to cause a denial of service (trap) on the host OS via a crafted application.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.1 (High). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.023 (82.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.0, 2.6.1, 2.6.2
Weakness classification (CWE)
References
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:9892 (signature, vdb-entry)
- marc.info/ (mailing-list)
- www.ubuntu.com/usn/usn-864-1 (vendor-advisory)
- www.mandriva.com/security/advisories (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi
- www.redhat.com/support/errata/RHSA-2010-0126.html (vendor-advisory)
- marc.info/ (mailing-list)
- www.securityfocus.com/bid/37221 (vdb-entry)
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.9 (Vendor Advisory)
- www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc1 (Vendor Advisory)