CVE-2022-47940 - Vulnerability Details - OpenCVE

ReportizFlow

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

No data.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2022/12/23/10
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=158a66b245739e15858de42c0ba60fcf3de9b8e6
https://github.com/torvalds/linux/commit/158a66b245739e15858de42c0ba60fcf3de9b8e6
https://lore.kernel.org/lkml/[email protected]/
https://nvd.nist.gov/vuln/detail/CVE-2022-47940
https://www.cve.org/CVERecord?id=CVE-2022-47940
https://www.openwall.com/lists/oss-security/2022/12/22/9
https://www.zerodayinitiative.com/advisories/ZDI-22-1691/

History

Mon, 14 Apr 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-12-23T00:00:00.000Z

Updated: 2025-04-14T18:37:29.993Z

Reserved: 2022-12-23T00:00:00.000Z

Link: CVE-2022-47940

Vulnrichment

Updated: 2024-08-03T15:02:36.526Z

NVD

Status : Modified

Published: 2022-12-23T16:15:12.533

Modified: 2025-04-14T19:15:33.080

Link: CVE-2022-47940

Redhat

Severity : Critical

Publid Date: 2022-12-22T00:00:00Z

Links: CVE-2022-47940 - Bugzilla

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