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CVE-2021-47657

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CVE-2021-47657

Published: Feb 26, 2025

Modified: May 23, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
377f8331d0565e6f71ba081c894029a92d0c7e77 - < b094fece3810c71ceee6f0921676cb65d4e68c5a
affected
377f8331d0565e6f71ba081c894029a92d0c7e77 - < ac92b474eeeed75b8660374ba1d129a121c09da8
affected
377f8331d0565e6f71ba081c894029a92d0c7e77 - < abc9ad36df16e27ac1c665085157f1a082d39bac
affected
377f8331d0565e6f71ba081c894029a92d0c7e77 - < 6b79f96f4a23846516e5e6e4dd37fc06f43a60dd
affected
244dbb4abe123779ec30e7c6ca283a681aba5c94

+3 more versions

Linux

Linux

affected
5.13
unaffected
0 - < 5.13
unaffected
5.15.32 - <= 5.15.*
unaffected
5.16.18 - <= 5.16.*
unaffected
5.17.1 - <= 5.17.*

+1 more versions

References

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