CVE-2009-3722
High
Description
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.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedOct 30, 2009
First seenOct 30, 2009
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v ≤ 2.6.31, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 2.6.7, 2.6.8, 2.6.8.1, 2.6.9, 2.6.10, 2.6.11, 2.6.11.1, 2.6.11.2, 2.6.11.3, 2.6.11.4, 2.6.11.5, 2.6.11.6, 2.6.11.7, 2.6.11.8, 2.6.11.9, 2.6.11.10, 2.6.11.11, 2.6.11.12, 2.6.12, 2.6.12.1, 2.6.12.2, 2.6.12.3, 2.6.12.4, 2.6.12.5, 2.6.12.6, 2.6.13, 2.6.13.1, 2.6.13.2, 2.6.13.3, 2.6.13.4, 2.6.13.5, 2.6.14, 2.6.14.1, 2.6.14.2, 2.6.14.3, 2.6.14.4, 2.6.14.5, 2.6.14.6, 2.6.14.7, 2.6.15, 2.6.15.1, 2.6.15.2, 2.6.15.3, 2.6.15.4, 2.6.15.5, 2.6.15.6, 2.6.15.7, 2.6.16, 2.6.16.1, 2.6.16.2, 2.6.16.3, 2.6.16.4, 2.6.16.5, 2.6.16.6, 2.6.16.7, 2.6.16.8, 2.6.16.9, 2.6.16.10, 2.6.16.11, 2.6.16.12, 2.6.16.13, 2.6.16.14, 2.6.16.15, 2.6.16.16, 2.6.16.17, 2.6.16.18, 2.6.16.19, 2.6.16.20, 2.6.16.21, 2.6.16.22, 2.6.16.23, 2.6.16.24, 2.6.16.25, 2.6.16.26, 2.6.16.27, 2.6.16.28, 2.6.16.29, 2.6.16.30, 2.6.16.31, 2.6.16.32, 2.6.16.33, 2.6.16.34, 2.6.16.35, 2.6.16.36, 2.6.16.37, 2.6.16.38, 2.6.16.39, 2.6.16.40, 2.6.16.41, 2.6.16.42, 2.6.16.43, 2.6.16.44, 2.6.16.45, 2.6.16.46, 2.6.16.47, 2.6.16.48, 2.6.16.49, 2.6.16.50, 2.6.16.51, 2.6.16.52, 2.6.16.53, 2.6.16.54, 2.6.16.55, 2.6.16.56, 2.6.16.57, 2.6.16.58, 2.6.16.59, 2.6.16.60, 2.6.16.61, 2.6.16.62, 2.6.17, 2.6.17.1, 2.6.17.2, 2.6.17.3, 2.6.17.4, 2.6.17.5, 2.6.17.6, 2.6.17.7, 2.6.17.8, 2.6.17.9, 2.6.17.10, 2.6.17.11, 2.6.17.12, 2.6.17.13, 2.6.17.14, 2.6.18, 2.6.18.1, 2.6.18.2, 2.6.18.3, 2.6.18.4, 2.6.18.5, 2.6.18.6, 2.6.18.7, 2.6.18.8, 2.6.19, 2.6.19.1, 2.6.19.2, 2.6.19.3, 2.6.19.4, 2.6.19.5, 2.6.19.6, 2.6.19.7, 2.6.20, 2.6.20.1, 2.6.20.2, 2.6.20.3, 2.6.20.4, 2.6.20.5, 2.6.20.6, 2.6.20.7, 2.6.20.8, 2.6.20.9, 2.6.20.10, 2.6.20.11, 2.6.20.12, 2.6.20.13, 2.6.20.14, 2.6.20.15, 2.6.20.16, 2.6.20.17, 2.6.20.18, 2.6.20.19, 2.6.20.20, 2.6.20.21, 2.6.21, 2.6.21.1, 2.6.21.2, 2.6.21.3, 2.6.21.4, 2.6.21.5, 2.6.21.6, 2.6.21.7, 2.6.22, 2.6.22.1, 2.6.22.2, 2.6.22.3, 2.6.22.4, 2.6.22.5, 2.6.22.6, 2.6.22.7, 2.6.22.8, 2.6.22.9, 2.6.22.10, 2.6.22.11, 2.6.22.12, 2.6.22.13, 2.6.22.14, 2.6.22.15, 2.6.22.16, 2.6.22.17, 2.6.22.18, 2.6.22.19 | — |
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