Use After Free Affecting perf package, versions <0:4.18.0-372.70.1.el8_6
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Test your applications- Snyk ID SNYK-RHEL8-PERF-5873154
- published 24 Nov 2022
- disclosed 3 Nov 2022
Introduced: 3 Nov 2022
CVE-2022-42896 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-372.70.1.el8_6 or higher.
This issue was patched in RHSA-2023:4789.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
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