CVE-2022-50181

virtio-gpu: fix a missing check to avoid NULL dereference

MEDIUM

5.5

CVSS Score

Published: June 18, 2025 at 11:03 AM UTC

Updated: June 17, 2026 at 05:22 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

Description

In the Linux kernel, the following vulnerability has been resolved: virtio-gpu: fix a missing check to avoid NULL dereference 'cache_ent' could be set NULL inside virtio_gpu_cmd_get_capset() and it will lead to a NULL dereference by a lately use of it (i.e., ptr = cache_ent->caps_cache). Fix it with a NULL check. [ kraxel: minor codestyle fixup ]

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.4 ≤ v < 5.10.1374.4 ≤ v < 5.15.614.4 ≤ v < 5.18.184.4 ≤ v < 5.19.24.4 ≤ v < 6.05.11 ≤ v < 5.15.615.16 ≤ v < 5.18.185.19 ≤ v < 5.19.24.462fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257

Vendor states this is fixed in 259773fc874258606c0121767a4a27466ff337eb (fixed)

Vendor states this is fixed in 367882a5a9448b5e1ba756125308092d614cb96c (fixed)

Vendor states this is fixed in 39caef09666c1d8274abf9472c72bcac236dc5fb (fixed)

Vendor states this is fixed in adbdd21983fa292e53aec3eab97306b2961ea887 (fixed)

Vendor states this is fixed in bd63f11f4c3c46afec07d821f74736161ff6e526 (fixed)

Vendor states this is fixed in 4.4 (unaffected)

Vendor states this is fixed in 5.10.137 (unaffected)

Vendor states this is fixed in 5.15.61 (unaffected)

Vendor states this is fixed in 5.18.18 (unaffected)

Vendor states this is fixed in 5.19.2 (unaffected)

Vendor states this is fixed in 6.0 (unaffected)