CVE-2022-42896

There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit  https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url

Score

CVSS 3.1 8.8 High

Status

Modified - cve-coordination@google.com

Published

2022-11-23

Last modified

2026-10-14

Weaknesses

CWE-416

Affected products

• Linux Kernel (Linux)
• Simatic S7-1500 Tm Mfp - Gnulinux Subsystem (Siemens)

References

• https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4
• https://kernel.dance/#711f8c3fb3db61897080468586b970c87c61d9e4
• https://cert-portal.siemens.com/productcert/html/ssa-794697.html