What is CVE-2021-47315?

CVE-2021-47315 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10. CVE-2021-47315 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47315?

CVE-2021-47315 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-2021-47315?

No patch is currently available for CVE-2021-47315. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47315 actively exploited?

CVE-2021-47315 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-47315

Medium

In the Linux kernel, the following vulnerability has been resolved: memory: fsl_ifc: fix leak of IO mapping on probe failure On probe error the driver should unmap the IO memory. Smatch reports: drivers/memory/fsl_ifc.c:298 fsl_ifc_ctrl_probe() warn: 'fsl_ifc_ctrl_dev->gregs' not released on lines: 298.

Package Linux Kernel

Published 2024-05-21

Last modified 2025-05-12

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-617

CVE-2021-47315 is classified as CWE-617

See CWE-617 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2021-47315 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/28f71fd81ebd3b386bf5c7c5539664156f7d72c1
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3b132ab67fc7a358fff35e808fa65d4bea452521
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6b3b002de90738e3c85853a682ce7e0fa078d42b
Patch

10 patch commits total View all on NVD

Details

CVE ID CVE-2021-47315

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-05-12

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47315?

CVE-2021-47315 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . CVE-2021-47315 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47315?

CVE-2021-47315 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-2021-47315?

No patch is currently available for CVE-2021-47315. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47315 actively exploited?

No — CVE-2021-47315 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.