What is CVE-2021-38160?

CVE-2021-38160 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10. CVE-2021-38160 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-38160?

CVE-2021-38160 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2021-38160?

No patch is currently available for CVE-2021-38160. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-38160 actively exploited?

CVE-2021-38160 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-38160

High

In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE: the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior

Package Linux Kernel

Published 2021-08-07

Last modified 2025-05-05

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-120

CVE-2021-38160 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-2021-38160 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-2021-38160

Third Party Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4

Release Notes Vendor Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html

Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html

Mailing List Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20210902-0010/

Third Party Advisory
Debian Security
https://www.debian.org/security/2021/dsa-4978

Third Party Advisory
Kernel patch commit
https://github.com/torvalds/linux/commit/d00d8da5869a2608e97cfede094dfc5e11462a46
Patch

Details

CVE ID CVE-2021-38160

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2021-08-07

Modified 2025-05-05

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-38160?

CVE-2021-38160 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2021-38160 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-38160?

CVE-2021-38160 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2021-38160?

No patch is currently available for CVE-2021-38160. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-38160 actively exploited?

No — CVE-2021-38160 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.