What is CVE-2021-47447?

CVE-2021-47447 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.11 onward and patched in 5.14.14 and 5.15. CVE-2021-47447 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47447?

CVE-2021-47447 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-2021-47447?

Yes, CVE-2021-47447 has been patched. Fixed versions include 5.14.14 and 5.15. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2021-47447 actively exploited?

CVE-2021-47447 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-47447

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a3xx: fix error handling in a3xx_gpu_init() These error paths returned 1 on failure, instead of a negative error code. This would lead to an Oops in the caller. A second problem is that the check for "if (ret != -ENODATA)" did not work because "ret" was set to 1.

Package Linux Kernel

Published 2024-05-22

Last modified 2025-09-22

CVSS version 3.1

Patch available

Yes

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

Affected versions

Linux kernel versions 5.11 and later are affected. Fixed in 5.14.14, 5.15 and their respective stable series.

Affected from

≥ 5.11

Fixed in

✓ 5.14.14 5.14.x ✓ 5.15

References

2 total

Kernel Git
https://git.kernel.org/stable/c/3eda901995371d390ef82d0b6462f4ea8efbcfdf

Patch
Kernel Git
https://git.kernel.org/stable/c/d59e44e7821a8f2bb6f2e846b9167397a5f01608

Patch

Details

CVE ID CVE-2021-47447

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-22

Modified 2025-09-22

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2021-47447?

CVE-2021-47447 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.11 onward and has been patched in 5.14.14 and 5.15. CVE-2021-47447 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47447?

CVE-2021-47447 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-2021-47447?

Yes. CVE-2021-47447 has been patched. Fixed versions include 5.14.14 and 5.15. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2021-47447 actively exploited?

No. CVE-2021-47447 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.