What is CVE-2023-6238?

CVE-2023-6238 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.7 out of 10. CVE-2023-6238 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-6238?

CVE-2023-6238 has a CVSS score of 6.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-6238?

No patch is currently available for CVE-2023-6238. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-6238 actively exploited?

CVE-2023-6238 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-6238

Medium

A buffer overflow vulnerability was found in the NVM Express (NVMe) driver in the Linux kernel. Only privileged user could specify a small meta buffer and let the device perform larger Direct Memory Access (DMA) into the same buffer, overwriting unrelated kernel memory, causing random kernel crashes and memory corruption.

Package Linux Kernel

Published 2023-11-21

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-120

CVE-2023-6238 is classified as CWE-120

See CWE-120 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-6238 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Red Hat
https://access.redhat.com/security/cve/CVE-2023-6238

Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=2250834

Issue Tracking Third Party Advisory

Details

CVE ID CVE-2023-6238

Severity Medium

CVSS score 6.7 / 10

CVSS version 3.1

Published 2023-11-21

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-6238?

CVE-2023-6238 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.7 out of 10 . CVE-2023-6238 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-6238?

CVE-2023-6238 has a CVSS score of 6.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-6238?

No patch is currently available for CVE-2023-6238. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-6238 actively exploited?

No — CVE-2023-6238 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.