What is CVE-2021-47409?

CVE-2021-47409 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2021-47409 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47409?

CVE-2021-47409 has a CVSS score of 5.5 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:N/A:H.

Is there a patch available for CVE-2021-47409?

No patch is currently available for CVE-2021-47409. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47409 actively exploited?

CVE-2021-47409 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2021-47409

Medium

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: check return value after calling platform_get_resource() It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.

Package Linux Kernel

Published 2024-05-21

Last modified 2024-12-30

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-476

CVE-2021-47409 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2021-47409 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/2754fa3b73df7d0ae042f3ed6cfd9df9042f6262
Patch
Kernel patch commit
https://git.kernel.org/stable/c/337f00a0bc62d7cb7d10ec0b872c79009a1641df
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4b7f4a0eb92bf37bea4cd838c7f83ea42823ca8b
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2021-47409

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2024-12-30

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47409?

CVE-2021-47409 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2021-47409 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47409?

CVE-2021-47409 has a CVSS score of 5.5 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:N/A:H.
Is there a patch available for CVE-2021-47409?

No patch is currently available for CVE-2021-47409. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47409 actively exploited?

No — CVE-2021-47409 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →