CVE-2021-47657
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 377f8331d0565e6f71ba081c894029a92d0c7e77 | affected | git | b094fece3810c71ceee6f0921676cb65d4e68c5a | Unavailable | None listed |
| 377f8331d0565e6f71ba081c894029a92d0c7e77 | affected | git | ac92b474eeeed75b8660374ba1d129a121c09da8 | Unavailable | None listed |
| 377f8331d0565e6f71ba081c894029a92d0c7e77 | affected | git | abc9ad36df16e27ac1c665085157f1a082d39bac | Unavailable | None listed |
| 377f8331d0565e6f71ba081c894029a92d0c7e77 | affected | git | 6b79f96f4a23846516e5e6e4dd37fc06f43a60dd | Unavailable | None listed |
| 244dbb4abe123779ec30e7c6ca283a681aba5c94 | affected | git | Unavailable | Unavailable | None listed |
| 1016c0f62f73d5d2c3a5d1ad1e1fb0cdce1993ae | affected | git | Unavailable | Unavailable | None listed |
| 5.11.20 | affected | semver | 5.12 | Unavailable | None listed |
| 5.12.3 | affected | semver | 5.13 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.13 | Unavailable | None listed |
| 5.15.32 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.16.18 | unaffected | semver | Unavailable | 5.16.* | None listed |
| 5.17.1 | unaffected | semver | Unavailable | 5.17.* | None listed |
| 5.18 | unaffected | original_commit_for_fix | Unavailable | * | None listed |