Linux Kernel Cache privilege escalation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.3$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Linux Kernel. The affected element is an unknown function of the component Cache Handler. This manipulation of the argument HID_GLOBAL_ITEM_TAG_REPORT_SIZE/HID_GLOBAL_ITEM_TAG_REPORT_COUNT causes an unknown weakness. This vulnerability is handled as CVE-2022-20565. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel (Operating System) (version now known). Affected by this vulnerability is some unknown processing of the component Cache Handler. The manipulation of the argument HID_GLOBAL_ITEM_TAG_REPORT_SIZE/HID_GLOBAL_ITEM_TAG_REPORT_COUNT with an unknown input leads to a unknown weakness. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 01/05/2023. It is possible to read the advisory at openeuler.org. This vulnerability is known as CVE-2022-20565 since 10/14/2021. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/05/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/14/2021 🔍
01/05/2023 +448 days 🔍
01/05/2023 +0 days 🔍
01/05/2023 +0 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: openeuler.org
Status: Confirmed

CVE: CVE-2022-20565 (🔍)
GCVE (CVE): GCVE-0-2022-20565
GCVE (VulDB): GCVE-100-217531

Entryinfo

Created: 01/05/2023 22:27
Changes: 01/05/2023 22:27 (36)
Complete: 🔍
Cache ID: 216::103

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

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