CVE-2022-1998

Description

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory kernel.org
Affected: n/a Kernel
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/notify/fanotify/fanotify_user.c?h=v5.17&id=ee12595147ac1fbfb5bcb23837e26dd58d94b15d patch vendor advisory mailing list
https://seclists.org/oss-sec/2022/q1/99 patch mailing list third party advisory
https://security.netapp.com/advisory/ntap-20220707-0009/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-1998?
CVE-2022-1998 has been scored as a high severity vulnerability.
How to fix CVE-2022-1998?
To fix CVE-2022-1998, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-1998 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-1998 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-1998?
CVE-2022-1998 affects n/a Kernel.
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