Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2024-26647

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
26/03/2024
Last modified:
07/01/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/amd/display: Fix late derefrence &amp;#39;dsc&amp;#39; check in &amp;#39;link_set_dsc_pps_packet()&amp;#39;<br /> <br /> In link_set_dsc_pps_packet(), &amp;#39;struct display_stream_compressor *dsc&amp;#39;<br /> was dereferenced in a DC_LOGGER_INIT(dsc-&gt;ctx-&gt;logger); before the &amp;#39;dsc&amp;#39;<br /> NULL pointer check.<br /> <br /> Fixes the below:<br /> drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() warn: variable dereferenced before check &amp;#39;dsc&amp;#39; (see line 903)

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:*:*:*:*:*:*:*:* 6.6.15 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.7.3 (excluding)

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


References to Advisories, Solutions, and Tools