Linux Kernel up to 6.6.14/6.7.2 display edp_setup_replay null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.6.14/6.7.2. Affected by this issue is the function edp_setup_replay of the component display. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2024-26648. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.6.14/6.7.2. Affected by this issue is the function edp_setup_replay of the component display. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay() In edp_setup_replay(), 'struct dc *dc' & 'struct dmub_replay *replay' was dereferenced before the pointer 'link' & 'replay' NULL check. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check 'link' (see line 933)

The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2024-26648 since 02/19/2024. Technical details are known, but there is no available exploit.

Upgrading to version 6.6.15, 6.7.3 or 6.8 eliminates this vulnerability. Applying the patch 22ae604aea14/c02d257c6541/7073934f5d73 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.6.15/6.7.3/6.8
Patch: 22ae604aea14/c02d257c6541/7073934f5d73

Timelineinfo

02/19/2024 🔍
03/26/2024 +36 days 🔍
03/26/2024 +0 days 🔍
11/07/2024 +226 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-26648 (🔍)
GCVE (CVE): GCVE-0-2024-26648
GCVE (VulDB): GCVE-100-258050

Entryinfo

Created: 03/26/2024 19:19
Updated: 11/07/2024 02:13
Changes: 03/26/2024 19:19 (58), 11/07/2024 02:13 (12)
Complete: 🔍
Cache ID: 216::103

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