CVE-2022-49137

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

26/02/2025

Last modified:

01/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdgpu/amdgpu_cs: fix refcount leak of a dma_fence obj This issue takes place in an error path in amdgpu_cs_fence_to_handle_ioctl(). When `info->in.what` falls into default case, the function simply returns -EINVAL, forgetting to decrement the reference count of a dma_fence obj, which is bumped earlier by amdgpu_cs_get_fence(). This may result in reference count leaks. Fix it by decreasing the refcount of specific object before returning the error code.

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::::::::		4.19.238 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.189 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.111 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.34 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	5.16.20 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.17 (including)	5.17.3 (excluding)

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

CVE-2022-49137

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools