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Linux kernel DoS
Published:29.07.2009
Source:
SecurityVulns ID:10110
Type:local
Threat Level:
5/10
Description:NULL pointer dereference on /dev/kvm call handling.
Affected:LINUX : kernel 2.6
CVE:CVE-2009-2287 (The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when running on x86 systems, does not validate the page table root in a KVM_SET_SREGS call, which allows local users to cause a denial of service (crash or hang) via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.)

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