Linux Kernel up to 5.15.28/5.16.14 vc4 privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel up to 5.15.28/5.16.14. The affected element is an unknown function of the component vc4. Such manipulation leads to an unknown weakness. This vulnerability is referenced as CVE-2022-48852. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.15.28/5.16.14. Affected by this issue is an unknown code block of the component vc4. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: hdmi: Unregister codec device on unbind On bind we will register the HDMI codec device but we don't unregister it on unbind, leading to a device leakage. Unregister our device at unbind.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2022-48852 since 07/16/2024. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.15.29 or 5.16.15 eliminates this vulnerability. Applying the patch ee22082c3e2f/1ed68d776246/e40945ab7c7f 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.15.29/5.16.15
Patch: ee22082c3e2f/1ed68d776246/e40945ab7c7f

Timelineinfo

07/16/2024 🔍
07/16/2024 +0 days 🔍
07/16/2024 +0 days 🔍
07/23/2024 +7 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-48852 (🔍)
GCVE (CVE): GCVE-0-2022-48852
GCVE (VulDB): GCVE-100-271640

Entryinfo

Created: 07/16/2024 17:13
Updated: 07/23/2024 18:45
Changes: 07/16/2024 17:13 (56), 07/23/2024 18:45 (12)
Complete: 🔍
Cache ID: 216::103

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