CVE-2021-47296

medium

Description

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.

References

https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151

https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533

https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252

https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209

https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50

Details

Source: Mitre, NVD

Published: 2024-05-21

Updated: 2025-06-23

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

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