PT-2020-6156 · Linux+2 · Linux Kernel+2

Petr Matousek · Published 2020-11-03 · Updated 2023-02-12 · CVE-2020-25661

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Red Hat Enterprise Linux (affected versions not specified)

Description The issue is related to the Bluetooth stack implementation in the Linux kernel, which allows access to data without type control. This can be exploited by a remote attacker to cause a denial of service or potentially execute arbitrary code on the system. The vulnerability can be triggered by sending a specially crafted L2CAP packet. The threat from this issue is to confidentiality, integrity, and system availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

BDU:2021-03191

CESA-2020_4685

CESA-2020_4686

CVE-2020-25661

RHSA-2020:4685

RHSA-2020:4686

RHSA-2020_4685

RHSA-2020_4686

Affected Products

Centos

Linux Kernel

Red Hat

References · 12

• https://bdu.fstec.ru/vul/2021-03191 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-25661 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-25661 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25661 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-25661 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-25661 · Security Note
• https://ubuntu.com/security/CVE-2020-25661 · Vendor Advisory
• https://access.redhat.com/security/vulnerabilities/BleedingTooth · Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2020-12351 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2020-4685.html · Vendor Advisory
• https://t.me/cibsecurity/15919 · Telegram Post
• https://access.redhat.com/security/cve/CVE-2020-25661 · Note