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CVE-2021-46907
Detail
Rejected
CVE has been marked "REJECT" in the CVE List. These CVEs are stored in the NVD, but do not show up in search results.
Description
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.
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Title: kernel de Linux
Description: En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KVM: VMX: No use vcpu->run->internal.ndata como índice de matriz __vmx_handle_exit() usa vcpu->run->internal.ndata como índice para un acceso a la matriz. Dado que vcpu->run está (puede) asignarse a un espacio de direcciones de usuario con permiso de escritor, el proceso de usuario podría actualizar el 'ndata' en cualquier momento (el proceso de usuario puede configurarlo fuera d
In the Linux kernel, the following vulnerability has been resolved:
KVM: VMX: Don't use vcpu->run->internal.ndata as an array index
__vmx_handle_exit() uses vcpu->run->internal.ndata as an index for
an array access. Since vcpu->run is (can be) mapped to a user address
space with a writer permission, the 'ndata' could be updated by the
user process at anytime (the user process can set it to outside the
bounds of the array).
So, it is not safe that __vmx_handle_exit() uses the 'ndata' that way.
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
In the Linux kernel, the following vulnerability has been resolved:
KVM: VMX: Don't use vcpu->run->internal.ndata as an array index
__vmx_handle_exit() uses vcpu->run->internal.ndata as an index for
an array access. Since vcpu->run is (can be) mapped to a user address
space with a writer permission, the 'ndata' could be updated by the
user process at anytime (the user process can set it to outside the
bounds of the array).
So, it is not safe that __vmx_handle_exit() uses the 'ndata' that way.
Added
Reference
Linux https://git.kernel.org/stable/c/04c4f2ee3f68c9a4bf1653d15f1a9a435ae33f7a [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/7f64753835a78c7d2cc2932a5808ef3b7fd4c050 [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/ce541d7b59566a0d94c7c99bfb5d34b050e6af70 [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2021-46907 NVD
Published Date: 02/27/2024 NVD
Last Modified: 03/19/2024
Source: kernel.org