Use After Free in Linux Kernel
CVE-2023-40283
An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.
Vulnerability class: Use-After-Free
EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Debian Debian_linux — versions 10.0, 11.0, 12.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch)
- cve@mitre.org (Patch)
- cve@mitre.org (Release Notes)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory)
- cve@mitre.org (mailing-list, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2023-40283?
- CVE-2023-40283 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2023-08-14.
- How severe is CVE-2023-40283?
- High severity. CVSS v3 base score is 7.8 out of 10.