A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs causing a NULL pointer dereference. 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.
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07 Sep 2022 07:00Current
7High risk
Vulners AI Score7
CVSS 3.15.5
EPSS0.00456