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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.018 (77.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Red Hat Kernel — versions kernel-4.18.0-240.el8
- Red Hat Enterprise Linux — versions 8.3
Weakness classification (CWE)
References
- access.redhat.com/security/vulnerabilities/BleedingTooth (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Mitigation, Issue Tracking, Vendor Advisory)
- access.redhat.com/security/cve/CVE-2020-12351 (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.