What is CVE-2021-47054?

CVE-2021-47054 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.9 onward and patched in 4.9.269, 4.14.233, 4.19.191 and others. CVE-2021-47054 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47054?

CVE-2021-47054 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-2021-47054?

Yes, CVE-2021-47054 has been patched. Fixed versions include 4.9.269, 4.14.233, 4.19.191 and others. If you are running Linux kernel 4.9 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2021-47054 actively exploited?

CVE-2021-47054 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-47054

Medium

In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro for_each_available_child_of_node() and should be decremented manually if the loop is broken in loop body.

Package Linux Kernel

Published 2024-02-29

Last modified 2024-12-10

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 4.9 and later are affected. Fixed in 4.9.269, 4.14.233, 4.19.191, 5.4.119, 5.10.37, 5.11.21, 5.12.4, 5.13 and their respective stable series.

Affected from

≥ 4.9

Fixed in

✓ 4.9.269 4.9.x ✓ 4.14.233 4.14.x ✓ 4.19.191 4.19.x ✓ 5.4.119 5.4.x ✓ 5.10.37 5.10.x ✓ 5.11.21 5.11.x ✓ 5.12.4 5.12.x ✓ 5.13

References

8 total

Kernel Git
https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be

Patch
Kernel Git
https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8

Patch
Kernel Git
https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c

Patch
Kernel Git
https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391

Patch
Kernel Git
https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9

Patch

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2021-47054

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-02-29

Modified 2024-12-10

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2021-47054?

CVE-2021-47054 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.9 onward and has been patched in 4.9.269, 4.14.233, 4.19.191 and others. CVE-2021-47054 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47054?

CVE-2021-47054 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-2021-47054?

Yes. CVE-2021-47054 has been patched. Fixed versions include 4.9.269, 4.14.233, 4.19.191 and others. If you are running Linux kernel 4.9 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2021-47054 actively exploited?

No. CVE-2021-47054 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.