Use After Free Affecting kernel-debug-uki-virt package, versions <0:5.14.0-284.11.1.el9_2
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Test your applications- Snyk ID SNYK-ORACLE9-KERNELDEBUGUKIVIRT-5535455
- published 13 Jan 2023
- disclosed 23 Nov 2022
Introduced: 23 Nov 2022
CVE-2022-42896 Open this link in a new tabHow to fix?
Upgrade Oracle:9 kernel-debug-uki-virt to version 0:5.14.0-284.11.1.el9_2 or higher.
This issue was patched in ELSA-2023-2458.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-uki-virt package and not the kernel-debug-uki-virt package as distributed by Oracle.
See How to fix? for Oracle:9 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
References
- https://linux.oracle.com/cve/CVE-2022-42896.html
- https://linux.oracle.com/errata/ELSA-2023-12017.html
- https://linux.oracle.com/errata/ELSA-2023-12117.html
- https://linux.oracle.com/errata/ELSA-2023-12118.html
- https://linux.oracle.com/errata/ELSA-2023-12119.html
- https://linux.oracle.com/errata/ELSA-2023-12121.html
- https://linux.oracle.com/errata/ELSA-2023-2458.html
- https://linux.oracle.com/errata/ELSA-2023-4517.html
- https://linux.oracle.com/errata/ELSA-2024-1249.html
- https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4
- https://kernel.dance/#711f8c3fb3db61897080468586b970c87c61d9e4