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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-47657 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Ensure that objs is not NULL in virtio_gpu_array_put_free() If virtio_gpu_object_shmem_init() fails (e.g. due to fault injection, as it happened in the bug report by syzbot), virtio_gpu_array_put_free() could be called with objs equal to NULL. Ensure that objs is not NULL in virtio_gpu_array_put_free(), or otherwise return from the function.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/6b79f96f4a23846516e5e6e4dd37fc06f43a60dd Patch 
https://git.kernel.org/stable/c/abc9ad36df16e27ac1c665085157f1a082d39bac Patch 
https://git.kernel.org/stable/c/ac92b474eeeed75b8660374ba1d129a121c09da8 Patch 
https://git.kernel.org/stable/c/b094fece3810c71ceee6f0921676cb65d4e68c5a Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47657
NVD Published Date:
02/26/2025
NVD Last Modified:
03/18/2025
Source:
kernel.org