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Status published
Medium
CVE-2021-47296
KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50
- https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151
- https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533
- https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209
- https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
b3cebfe8c1cadf1817939dcc3688a2504a69c662, 4.18, 0, 4.19.199, 5.4.136, 5.10.54, 5.13.6, 5.14
Timeline
Official Publish:
May 21st, 2024
Last Modified:
May 11th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.