vulnerability
Red Hat: CVE-2022-42896: kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:A/AC:L/Au:N/C:C/I:C/A:N) | Nov 23, 2022 | May 15, 2023 | Nov 14, 2025 |
Severity
8
CVSS
(AV:A/AC:L/Au:N/C:C/I:C/A:N)
Published
Nov 23, 2022
Added
May 15, 2023
Modified
Nov 14, 2025
Description
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
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt
References
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