CVE-2023-38429

Critical

An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in memory allocation (because of ksmbd_smb2_check_message) that may lead to out-of-bounds access.

Package Linux Kernel
Published 2023-07-18
Last modified 2025-01-03
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

9.8

out of 10
Critical
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-193

CVE-2023-38429 is classified as CWE-193

See CWE-193 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-38429 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-38429?

    CVE-2023-38429 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10 . CVE-2023-38429 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2023-38429?

    CVE-2023-38429 has a CVSS score of 9.8 out of 10, rated Critical severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2023-38429?

    No patch is currently available for CVE-2023-38429. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2023-38429 actively exploited?

    No — CVE-2023-38429 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.