Use After Free Affecting kernel-headers package, versions <0:5.14.0-162.6.1.el9_1
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Test your applications- Snyk ID SNYK-ORACLE9-KERNELHEADERS-3138280
- published 22 Nov 2022
- disclosed 9 Jun 2022
Introduced: 9 Jun 2022
CVE-2022-1998 Open this link in a new tabHow to fix?
Upgrade Oracle:9 kernel-headers to version 0:5.14.0-162.6.1.el9_1 or higher.
This issue was patched in ELSA-2022-8267.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by Oracle.
See How to fix? for Oracle:9 relevant fixed versions and status.
A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in copy_event_to_user(). A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
References
- https://linux.oracle.com/cve/CVE-2022-1998.html
- https://linux.oracle.com/errata/ELSA-2022-8267.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/notify/fanotify/fanotify_user.c?h=v5.17&id=ee12595147ac1fbfb5bcb23837e26dd58d94b15d
- https://seclists.org/oss-sec/2022/q1/99
- https://security.netapp.com/advisory/ntap-20220707-0009/