CVE-2020-25661

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.09% Top 20%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat kernel
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/vulnerabilities/BleedingTooth vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25661 issue tracking vendor advisory mitigation
https://access.redhat.com/security/cve/CVE-2020-12351 mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-25661?
CVE-2020-25661 has been scored as a high severity vulnerability.
How to fix CVE-2020-25661?
To fix CVE-2020-25661, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-25661 being actively exploited in the wild?
It is possible that CVE-2020-25661 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-25661?
CVE-2020-25661 affects Red Hat kernel.
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