CVE-2022-0168 is a Denial of Service (DoS) vulnerability in the Linux kernel's CIFS implementation, specifically affecting the smb2_ioctl_query_info function. This flaw allows a local attacker with CAP_SYS_ADMIN privileges to crash the system. Rated Medium severity (CVSS 4.4), it requires high privileges and has a high impact on availability. There is currently no known active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.18CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
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CVE-2022-0168
Sep 13, 2022A 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.
Aug 9, 2022kernel: smb2_ioctl_query_info NULL pointer dereference
Mar 9, 2022