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

CVSS 3.1

8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2022-11-23

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

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

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