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A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls causing a kernel oops condition that results in a denial of service.

🗓️ 08 Sep 2022 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Null pointer dereference in kernel virtual machine during vcpu release with dirty ring; local attacker can crash kernel and cause denial of service.

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