CVE-2021-47296

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 v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.14:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.14:rc2::::::

History

No history.

Information

Published : 2024-05-21 15:15

Updated : 2025-06-23 20:19

NVD link : CVE-2021-47296

Mitre link : CVE-2021-47296

CVE.ORG link : CVE-2021-47296

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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