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.

Score

CVSS 3.1 7.8 High

Status

Modified - secalert@redhat.com

Published

2022-06-09

Last modified

2024-08-03

Weaknesses

CWE-416

Affected products

• Fedora (Fedoraproject)
• Linux Kernel (Linux)
• H300s Firmware (Netapp)
• H410c Firmware (Netapp)
• H410s Firmware (Netapp)
• H500s Firmware (Netapp)
• H700s Firmware (Netapp)
• Enterprise Linux (Redhat)

References

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/notify/fanotify/fanotify_user.c?h=v5.17&id…
• https://seclists.org/oss-sec/2022/q1/99
• https://security.netapp.com/advisory/ntap-20220707-0009/