CVE-2023-38430: Critical severity Linux Linux kernel vulnerability

Published Jul 17, 2023
·
Updated

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.

Affected Software

10 affected componentsFixes available
Linux Linux kernel<6.3.9
Linux Linux kernel>=5.15<5.15.145
Linux Linux kernel>=5.16<6.1.35
Linux Linux kernel>=6.2<6.3.9
NetApp Hci Management Node
NetApp H300s
NetApp H410s
NetApp H500s
NetApp H700s
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1

Event History

Jul 17, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Jul 18, 2023
Data Sourced
12:15 AM
Description
Data Sourced
via NVD·12:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 12, 2024
Data Sourced
via Launchpad·12:22 AM
Description
May 2, 2025
Data Sourced
via Ubuntu·02:14 PM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2023-38430?

CVE-2023-38430 is classified as a high severity vulnerability due to its potential for exploitation via out-of-bounds read in the Linux kernel.

2

How do I fix CVE-2023-38430?

To fix CVE-2023-38430, users should upgrade to Linux kernel versions 6.3.10 or later, or apply the available patches.

3

Which systems are affected by CVE-2023-38430?

CVE-2023-38430 affects various versions of the Linux kernel, specifically those before 6.3.9, along with certain NetApp hardware devices.

4

What could attackers exploit in CVE-2023-38430?

Attackers could exploit CVE-2023-38430 to perform out-of-bounds reads, potentially leading to information disclosure.

5

When was CVE-2023-38430 last updated?

CVE-2023-38430 was last updated on 29 November 2024.

Contact

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