CVEvulnerability
CVE-2022-0168
4.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-08-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (< 5.18)
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://access.redhat.com/security/cve/CVE-2022-0168 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2037386 Issue Tracking, Patch, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d6f5e358452479fa8a773b5c6ccc9e4ec5a20880 Mailing List, Patch, Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2022-0168 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2037386 Issue Tracking, Patch, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d6f5e358452479fa8a773b5c6ccc9e4ec5a20880 Mailing List, Patch, Vendor Advisory