Linux Kernel up to 6.0.9 optc2_configure_crc privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel up to 6.0.9. Impacted is the function optc2_configure_crc. Executing a manipulation can lead to an unknown weakness. This vulnerability is handled as CVE-2022-49773. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.0.9. It has been declared as problematic. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix optc2_configure warning on dcn314 [Why] dcn314 uses optc2_configure_crc() that wraps optc1_configure_crc() + set additional registers not applicable to dcn314. It's not critical but when used leads to warning like: WARNING: drivers/gpu/drm/amd/amdgpu/../display/dc/dc_helper.c Call Trace: <TASK> generic_reg_set_ex+0x6d/0xe0 [amdgpu] optc2_configure_crc+0x60/0x80 [amdgpu] dc_stream_configure_crc+0x129/0x150 [amdgpu] amdgpu_dm_crtc_configure_crc_source+0x5d/0xe0 [amdgpu] [How] Use optc1_configure_crc() directly

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2022-49773 since 04/16/2025. The exploitation appears to be difficult. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 247101 (Linux Distros Unpatched Vulnerability : CVE-2022-49773), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.0.10 eliminates this vulnerability. Applying the patch f67ef5aa88e3db0a13ae3befab2ddf14ac00a91c/e7e4f77c991c9abf90924929a9d55f90b0bb78de 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.

The vulnerability is also documented in the databases at Tenable (247101) and EUVD (EUVD-2025-13000). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
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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Nessus ID: 247101
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-49773

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.0.10
Patch: f67ef5aa88e3db0a13ae3befab2ddf14ac00a91c/e7e4f77c991c9abf90924929a9d55f90b0bb78de

Timelineinfo

04/16/2025 🔍
05/01/2025 +15 days 🔍
05/01/2025 +0 days 🔍
11/07/2025 +190 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49773 (🔍)
GCVE (CVE): GCVE-0-2022-49773
GCVE (VulDB): GCVE-100-306916
EUVD: 🔍

Entryinfo

Created: 05/01/2025 17:18
Updated: 11/07/2025 20:29
Changes: 05/01/2025 17:18 (56), 06/19/2025 18:08 (1), 08/09/2025 20:28 (2), 11/07/2025 20:29 (13)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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