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CVE-2021-47657

NVDCIRCLENISA

EUVD-2021-34648 · Published Feb 26, 2025

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.

Technologies

Linux Linux Kernel

Weaknesses

CWE-476

CVSS scores

  • v3.15.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

MITRE ATT&CK

Inferred

Where this vulnerability fits in an attack

Privilege Escalation

References

Potentially impacted assets

See if this affects your attack surface

News

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