CVE-2022-47940

CVE-2022-47940

HIGH 8.1

At a glance

Source: NVD
EPSS: EPSS 1.54 % · percentile 75 (2026-10-31)
State: PUBLISHED
Published: 2022-12-23 00:00 UTC
Updated: 2025-04-14 18:37 UTC
Assigner: mitre
NVD status: Modified

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Description

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.

Weaknesses (CWE)

CWE-125 — Out-of-bounds Read

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H	CISA-ADP
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

European references

ENISA EUVD · EUVD-2022-50673
GCVE · GCVE-0-2022-47940

CERT-FR advisories

CERTFR-2023-AVI-0147 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
CERTFR-2023-AVI-0112 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.15 < 5.15.145
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.16 < 5.18.18

Affected products

Product	Versions
	affected n/a

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD