Vulnerability in Red Hat Kernel
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. 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.
EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Red Hat Kernel — versions kernel-4.18.0-240.el8
- Redhat Enterprise_linux — versions 8.3
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Mitigation, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-25661?
- CVE-2020-25661 is a high-severity vulnerability in Red Hat Kernel, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 7.5/10. Published 2020-11-05.
- How severe is CVE-2020-25661?
- High severity. CVSS v3 base score is 7.5 out of 10.