What is CVE-2021-47547?

CVE-2021-47547 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10. CVE-2021-47547 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47547?

CVE-2021-47547 has a CVSS score of 4.4 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Is there a patch available for CVE-2021-47547?

No patch is currently available for CVE-2021-47547. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47547 actively exploited?

CVE-2021-47547 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-47547

Medium

In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, the array 'lp->phy[8]' may be out of bound.

Package Linux Kernel

Published 2024-05-24

Last modified 2025-04-01

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

4.4

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Vector string

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

Weakness type

CWE-129

CVE-2021-47547 is classified as CWE-129

See CWE-129 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2021-47547 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237
Patch
Kernel patch commit
https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2021-47547

Severity Medium

CVSS score 4.4 / 10

CVSS version 3.1

Published 2024-05-24

Modified 2025-04-01

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47547?

CVE-2021-47547 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10 . CVE-2021-47547 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47547?

CVE-2021-47547 has a CVSS score of 4.4 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
Is there a patch available for CVE-2021-47547?

No patch is currently available for CVE-2021-47547. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47547 actively exploited?

No — CVE-2021-47547 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.