Buffer overflow in Linux Kernel
CVE-2022-3640
A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211944.
Vulnerability class: Buffer Overflow
EPSS: 0.011 (61.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Linux Kernel — versions n/a
- Linux Linux_kernel
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 35, 36, 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (Exploit, Patch, Mailing List, Vendor Advisory)
- cna@vuldb.com (Third Party Advisory)
- cna@vuldb.com (vendor-advisory)
- cna@vuldb.com (vendor-advisory)
- cna@vuldb.com (vendor-advisory)
- cna@vuldb.com (mailing-list, Mailing List, Third Party Advisory)
- cna@vuldb.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-3640?
- CVE-2022-3640 is a medium-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2022-10-21.
- How severe is CVE-2022-3640?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-3640 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.