Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2022-50181

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
18/06/2025
Last modified:
20/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> virtio-gpu: fix a missing check to avoid NULL dereference<br /> <br /> &amp;#39;cache_ent&amp;#39; could be set NULL inside virtio_gpu_cmd_get_capset()<br /> and it will lead to a NULL dereference by a lately use of it<br /> (i.e., ptr = cache_ent-&gt;caps_cache). Fix it with a NULL check.<br /> <br /> <br /> [ kraxel: minor codestyle fixup ]

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.4 (including) 5.10.137 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.15.61 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 5.18.18 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.19 (including) 5.19.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools