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CVE-2022-0168

Date: August 26, 2022

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.

Severity Score

Related Resources (11)

https://access.redhat.com/security/cve/CVE-2022-0168
https://security-tracker.debian.org/tracker/CVE-2022-0168
https://access.redhat.com/errata/RHSA-2022:7933
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-0168
https://nvd.nist.gov/vuln/detail/CVE-2022-0168
https://bugzilla.redhat.com/show_bug.cgi?id=2037386
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d6f5e358452479fa8a773b5c6ccc9e4ec5a20880
https://access.redhat.com/errata/RHSA-2022:7444
https://access.redhat.com/errata/RHSA-2022:7683
https://access.redhat.com/errata/RHSA-2022:8267
https://www.mend.io/vulnerability-database/CVE-2022-0168

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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