VULNERABILITY INTELLIGENCE
CVE-2022-0168
CVSS score4.4 MEDIUM
EPSS probability0.27%
CISA KEVNot currently listed
Published2022-08-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Description
A denial of service (DOS) issue was found in the Linux kernel’s smb2_ioctl_query_info function in the fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.
Weakness classification
- CWE-476: NULL Pointer Dereference
Primary references
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Issue Tracking, Patch, Third Party Advisory
- secalert@redhat.com — Mailing List, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory