High severity · published Nov 5, 2020
CVE-2020-25661
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
8.8
CVSS
1.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
8.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25661
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25661
Mitigation
https://access.redhat.com/security/cve/CVE-2020-12351
Vendor Advisory
https://access.redhat.com/security/vulnerabilities/BleedingTooth
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25661
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