Vulnerability DatabaseCVE-2022-1998
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CVE-2022-1998
June 09, 2022
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.
Related Resources (6)
https://access.redhat.com/security/cve/CVE-2022-1998
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://security-tracker.debian.org/tracker/CVE-2022-1998
https://security.netapp.com/advisory/ntap-20220707-0009/
https://seclists.org/oss-sec/2022/q1/99
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-1998
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
7.2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
0.13