CVE-2023-38430

criticalpriority · track · 36EPSS 0.012 · 67 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.17% (67th) EPSS

CVSS 9.1 · critical

Is it mine?

17 products

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

An issue was discovered in the Linux kernel before 6.3.9. ksmbd does not validate the SMB request protocol ID, leading to an out-of-bounds read.

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.19.1criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1767Linux Kernel: Schwachstelle ermöglicht Umgehung oder Offenlegung von InformationenDeutsch2023-07-17csaf · cert_bundDE
Ein Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um Sicherheitsmaßnahmen zu umgehen oder vertrauliche Informationen offenzulegen.

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2023-07-18modified 2026-06-17

Related entries.

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External citations — patches, advisories, analysis.

scry

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