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

Weakness classification (CWE)

References

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.