CVE-2022-0168

kernel: smb2_ioctl_query_info NULL pointer dereference

Published Aug 26, 2022 CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5127-1 linux security update
EUVD EUVD EUVD-2022-15376 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.
Ubuntu USN Ubuntu USN USN-5469-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6284-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6301-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6312-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6314-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6331-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6337-1 Linux kernel (Azure) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 2, 2024, 11:18 PM
Reserved
Jan 10, 2022, 12:00 AM
Status
Modified
Published
Aug 26, 2022, 6:15 PM
Modified
Jun 17, 2026, 4:20 AM
Severity
Moderate
Public date
Mar 9, 2022, 3:00 PM