What is CVE-2026-43259?

CVE-2026-43259 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.15 onward and patched in 6.18.16, 6.19.6 and 7.0. CVE-2026-43259 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-43259?

CVE-2026-43259 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-2026-43259?

Yes, CVE-2026-43259 has been patched. Fixed versions include 6.18.16, 6.19.6 and 7.0. If you are running Linux kernel 6.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-43259 actively exploited?

CVE-2026-43259 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-43259

Medium

In the Linux kernel, the following vulnerability has been resolved: phy: fsl-imx8mq-usb: set platform driver data Add missing platform_set_drvdata() as the data will be used in remove().

Package Linux Kernel

Published 2026-05-06

Last modified 2026-05-08

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 6.15 and later are affected. Fixed in 6.18.16, 6.19.6, 7.0 and their respective stable series.

Affected from

≥ 6.15

Fixed in

✓ 6.18.16 6.18.x ✓ 6.19.6 6.19.x ✓ 7.0

References

3 total

Kernel Git
https://git.kernel.org/stable/c/06db8c06d94858cda4b3870f421a1aeeef617690

Patch
Kernel Git
https://git.kernel.org/stable/c/42d9509161d0539767ba875f3ef6b4b3c0b425ed

Patch
Kernel Git
https://git.kernel.org/stable/c/debf8326a435ac746f48173e4742a574810f1ff4

Patch

Details

CVE ID CVE-2026-43259

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2026-05-06

Modified 2026-05-08

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-43259?

CVE-2026-43259 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.15 onward and has been patched in 6.18.16, 6.19.6 and 7.0. CVE-2026-43259 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-43259?

CVE-2026-43259 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-2026-43259?

Yes. CVE-2026-43259 has been patched. Fixed versions include 6.18.16, 6.19.6 and 7.0. If you are running Linux kernel 6.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-43259 actively exploited?

No. CVE-2026-43259 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.