VDB-269235 · CVE-2022-48766 · GCVE-0-2022-48766

Linux Kernel up to 5.16.4 on FPU AMD Display dcn301_calculate_wm_and_dlg denial of service

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.16.4 on FPU. Affected is the function dcn301_calculate_wm_and_dlg of the component AMD Display. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2022-48766. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 5.16.4 on FPU. This affects the function dcn301_calculate_wm_and_dlg of the component AMD Display. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wrap dcn301_calculate_wm_and_dlg for FPU. Mirrors the logic for dcn30. Cue lots of WARNs and some kernel panics without this fix.

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2022-48766. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.16.5 eliminates this vulnerability. Applying the patch 456ba2433844/25f1488bdbba 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

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: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: 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 5.16.5
Patch: 456ba2433844/25f1488bdbba

Timelineinfo

06/20/2024 🔍
06/20/2024 +0 days 🔍
01/07/2025 +201 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-48766 (🔍)
GCVE (CVE): GCVE-0-2022-48766
GCVE (VulDB): GCVE-100-269235

Entryinfo

Created: 06/20/2024 14:05
Updated: 01/07/2025 04:30
Changes: 06/20/2024 14:05 (58), 01/07/2025 04:30 (12)
Complete: 🔍
Cache ID: 216::103