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

7 total
Showing 5 of 7 references View all on NVD

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?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2021-38160 patch availability.

  • 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.

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