CVE-2022-47942

kernel: improper validation user-supplied data could lead in heap buffer overflow which can result in RCE

Published Dec 23, 2022 CVSS 3.1 · 8.8 High EPSS 3.9% KEV · Not listed
Description
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl, related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2022-50675 An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl, related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Apr 15, 2025, 1:57 PM
Reserved
Dec 23, 2022, 12:00 AM
Status
Modified
Published
Dec 23, 2022, 4:15 PM
Modified
Jun 17, 2026, 5:14 AM
Severity
Important
Public date
Dec 22, 2022, 12:00 AM