CVE-2023-21102

2023-05-1522:15:11

[email protected]

web.nvd.nist.gov

171

cve-2023-21102

efi-rt-wrapper.s

shadow stack protection

logic error

privilege escalation

android kernel

nvd

security vulnerability

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

In __efi_rt_asm_wrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-260821414References: Upstream kernel

Affected configurations

NVD

Node

googleandroidMatch-

CPENameOperatorVersion
google:androidgoogle androideq-

CPE	Name	Operator	Version
google:android	google android	eq	-

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "Android",
    "versions": [
      {
        "version": "Android kernel",
        "status": "affected"
      }
    ]
  }
]