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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00011.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
b3cebfe8c1cadf1817939dcc3688a2504a69c662 affected < 9bafc34dc4ad0cef18727c557f21ed3c3304df50
b3cebfe8c1cadf1817939dcc3688a2504a69c662 affected < f38527f1890543cdfca8dfd06f75f9887cce6151
b3cebfe8c1cadf1817939dcc3688a2504a69c662 affected < e14ef1095387f764d95614d3ec9e4d07c82a3533
b3cebfe8c1cadf1817939dcc3688a2504a69c662 affected < a4a488915feaad38345cc01b80d52e8200ff5209
b3cebfe8c1cadf1817939dcc3688a2504a69c662 affected < bc4188a2f56e821ea057aca6bf444e138d06c252
Linux Linux affected
Version Status Constraints
4.18 affected —
0 unaffected < 4.18
4.19.199 unaffected ≤ 4.19.*
5.4.136 unaffected ≤ 5.4.*
5.10.54 unaffected ≤ 5.10.*
5.13.6 unaffected ≤ 5.13.*
5.14 unaffected ≤ *

Configuration 1 [-]

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:*:*:*:*:*:*

No data.

No data.

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Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50 cve-icon cve-icon
https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209 cve-icon cve-icon
https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252 cve-icon cve-icon
https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533 cve-icon cve-icon
https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024052124-CVE-2021-47296-a208@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-47296 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-47296 cve-icon
History

Mon, 23 Jun 2025 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-401
CPEs 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:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Fri, 20 Dec 2024 08:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T07:08:10.252Z

Reserved: 2024-05-21T13:27:52.130Z

Link: CVE-2021-47296

cve-icon Vulnrichment

Updated: 2024-08-04T05:32:08.371Z

cve-icon NVD

Status : Analyzed

Published: 2024-05-21T15:15:17.477

Modified: 2025-06-23T20:19:54.287

Link: CVE-2021-47296

cve-icon Redhat

Severity : Low

Publid Date: 2024-05-21T00:00:00Z

Links: CVE-2021-47296 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses