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[email protected]CVE-2021-46894

HistoryJul 06, 2023 - 1:15 p.m.

CVE-2021-46894

2023-07-0613:15:09

CWE-269

CWE-416

[email protected]

web.nvd.nist.gov

cve-2021-46894

use after free

uaf

vulnerability

uinput module

kernel

privilege escalation

nvd

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

47.6%

JSON

Use After Free (UAF) vulnerability in the uinput module.Successful exploitation of this vulnerability may lead to kernel privilege escalation.

Affected configurations

NVD

Node

huaweiemuiMatch12.0.0

huaweiharmonyosMatch2.0.0

CPENameOperatorVersion
huawei:emuihuawei emuieq12.0.0
huawei:harmonyoshuawei harmonyoseq2.0.0

CPE	Name	Operator	Version
huawei:emui	huawei emui	eq	12.0.0
huawei:harmonyos	huawei harmonyos	eq	2.0.0

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "HarmonyOS",
    "vendor": "Huawei",
    "versions": [
      {
        "status": "affected",
        "version": "2.0.0"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "EMUI",
    "vendor": "Huawei",
    "versions": [
      {
        "status": "affected",
        "version": "12.0.0"
      }
    ]
  }
]

References

consumer.huawei.com/en/support/bulletin/2023/7/

device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

47.6%

JSON

Related for CVE-2021-46894

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