medium5.5
CVE-2021-47657
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_objec…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.11.20 before 5.12 from 5.12.3 before 5.15.32 from 5.16 before 5.16.18 from 5.17 before 5.17.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/6b79f96f4a23846516e5e6e4dd37fc06f43a60dd
- https://git.kernel.org/stable/c/abc9ad36df16e27ac1c665085157f1a082d39bac
- https://git.kernel.org/stable/c/ac92b474eeeed75b8660374ba1d129a121c09da8
- https://git.kernel.org/stable/c/b094fece3810c71ceee6f0921676cb65d4e68c5a