CVE-2021-47657
published 2025-02-26CVE-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…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.27%
19.4th percentile
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
17 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.17.3-1 (bookworm) | linux 5.17.3-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | >= 377f8331d0565e6f71ba081c894029a92d0c7e77 < b094fece3810c71ceee6f0921676cb65d4e68c5a | b094fece3810c71ceee6f0921676cb65d4e68c5a |
| linux | linux | >= 377f8331d0565e6f71ba081c894029a92d0c7e77 < ac92b474eeeed75b8660374ba1d129a121c09da8 | ac92b474eeeed75b8660374ba1d129a121c09da8 |
| linux | linux | >= 377f8331d0565e6f71ba081c894029a92d0c7e77 < abc9ad36df16e27ac1c665085157f1a082d39bac | abc9ad36df16e27ac1c665085157f1a082d39bac |
| linux | linux | >= 377f8331d0565e6f71ba081c894029a92d0c7e77 < 6b79f96f4a23846516e5e6e4dd37fc06f43a60dd | 6b79f96f4a23846516e5e6e4dd37fc06f43a60dd |
| linux | linux | >= 5.11.20 < 5.12 | 5.12 |
| linux | linux | >= 5.12.3 < 5.13 | 5.13 |
| linux | linux_kernel | >= 0 < 5.17.3-1 | 5.17.3-1 |
| linux | linux_kernel | >= 0 < 5.17.3-1 | 5.17.3-1 |
| linux | linux_kernel | >= 0 < 5.17.3-1 | 5.17.3-1 |
| linux | linux_kernel | >= 5.11.20 < 5.12 | 5.12 |
| linux | linux_kernel | >= 5.12.3 < 5.15.32 | 5.15.32 |
| linux | linux_kernel | >= 5.16 < 5.16.18 | 5.16.18 |
| linux | linux_kernel | >= 5.17 < 5.17.1 | 5.17.1 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Red Hat
kernel: drm/virtio: Ensure that objs is not NULL in virtio_gpu_array_put_free()
vendor_redhat·2025-02-26·CVSS 5.5
CVE-2021-47657 [MEDIUM] CWE-476 kernel: drm/virtio: Ensure that objs is not NULL in virtio_gpu_array_put_free()
kernel: drm/virtio: Ensure that objs is not NULL in virtio_gpu_array_put_free()
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.
A flaw was found in the virtio-gpu module in the Linux kernel. If the initialization fails, for example, due to a fault injection, a missing check in the virtio_gpu_array_put_free function can cause a NULL pointer dereference, resulting in a denial of service.
Statement: This issue has been f
Debian
CVE-2021-47657: linux - In the Linux kernel, the following vulnerability has been resolved: drm/virtio:...
vendor_debian·2021·CVSS 5.5
CVE-2021-47657 [MEDIUM] CVE-2021-47657: linux - In the Linux kernel, the following vulnerability has been resolved: drm/virtio:...
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.
Scope: local
bookworm: resolved (fixed in 5.17.3-1)
bullseye: resolved
forky: resolved (fixed in 5.17.3-1)
sid: resolved (fixed in 5.17.3-1)
trixie: resolved (fixed in 5.17.3-1)
GHSA
GHSA-v9fj-g635-p6mj: 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 virti
ghsa_unreviewed·2025-03-18
CVE-2021-47657 [MEDIUM] CWE-476 GHSA-v9fj-g635-p6mj: 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 virti
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.
OSV
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_
osv·2025-02-26·CVSS 5.5
CVE-2021-47657 [MEDIUM] 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_
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-02-26
Published