CVE-2022-1998
Not scored
CVE-2022-1998
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.
Exploit probability
0.3%
Published
June 9, 2022
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2022-1998
View original source
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.
05 / REFERENCES
Further evidence
- 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://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1998.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-1998
- https://seclists.org/oss-sec/2022/q1/99
- https://security.netapp.com/advisory/ntap-20220707-0009/