CVE-2021-47296high

KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.2%

exploitation probability

0.2%top 87% of all CVEs

observed exploitation

nono source reports it

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak vcpu_put is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50 https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209 https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252 https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533 https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151