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RedhatCVE-2020-25661

HistoryNov 05, 2020 - 9:15 p.m.

CVE-2020-25661

2020-11-0521:15:12

CWE-843

redhat

web.nvd.nist.gov

101

cve-2020-25661

red hat

linux kernel

bluetooth

l2cap packets

a2mp cid

denial of service

arbitrary code execution

confidentiality

integrity

system availability

nvd

CVSS2

8.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:A/AC:L/Au:N/C:C/I:C/A:C

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.003

Percentile

70.0%

JSON

A Red Hat only CVE-2020-12351 regression issue was found in the way the Linux kernel’s Bluetooth implementation handled L2CAP packets with A2MP CID. This flaw allows a remote attacker in an adjacent range to crash the system, causing a denial of service or potentially executing arbitrary code on the system by sending a specially crafted L2CAP packet. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Affected configurations

Nvd

Vulners

Node

redhatenterprise_linuxMatch8.3

VendorProductVersionCPE
redhatkernel*cpe:2.3:a:redhat:kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
redhat	kernel	*	cpe:2.3:a:redhat:kernel::::::::

CNA Affected

[
  {
    "product": "kernel",
    "vendor": "Red Hat",
    "versions": [
      {
        "status": "affected",
        "version": "kernel-4.18.0-240.el8"
      }
    ]
  }
]