What is CVE-2026-43478?

CVE-2026-43478 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.19 onward and patched in 6.19.9 and 7.0. CVE-2026-43478 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-43478?

CVE-2026-43478 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-2026-43478?

Yes, CVE-2026-43478 has been patched. Fixed versions include 6.19.9 and 7.0. If you are running Linux kernel 6.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-43478 actively exploited?

CVE-2026-43478 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-43478

Medium

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: rt1011: Use component to get the dapm context in spk_mode_put The correct helper to use in rt1011_recv_spk_mode_put() to retrieve the DAPM context is snd_soc_component_to_dapm(), from kcontrol we will receive NULL pointer.

Package Linux Kernel

Published 2026-05-13

Last modified 2026-06-26

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 6.19 and later are affected. Fixed in 6.19.9, 7.0 and their respective stable series.

Affected from

≥ 6.19

Fixed in

✓ 6.19.9 6.19.x ✓ 7.0

References

2 total

Kernel Git
https://git.kernel.org/stable/c/30e4b2290cc2a8d1b9ddb9dcb9c981df1f2a7399

Patch
Kernel Git
https://git.kernel.org/stable/c/b10b2b15b45923ff2807eeb034d91a39b0a3e690

Patch

Details

CVE ID CVE-2026-43478

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2026-05-13

Modified 2026-06-26

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-43478?

CVE-2026-43478 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.19 onward and has been patched in 6.19.9 and 7.0. CVE-2026-43478 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-43478?

CVE-2026-43478 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-2026-43478?

Yes. CVE-2026-43478 has been patched. Fixed versions include 6.19.9 and 7.0. If you are running Linux kernel 6.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-43478 actively exploited?

No. CVE-2026-43478 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.