What is CVE-2026-23015?

CVE-2026-23015 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.13 onward and patched in 6.18.6 and 6.19. CVE-2026-23015 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-23015?

CVE-2026-23015 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-2026-23015?

Yes, CVE-2026-23015 has been patched. Fixed versions include 6.18.6 and 6.19. If you are running Linux kernel 6.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-23015 actively exploited?

CVE-2026-23015 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-23015

Medium

In the Linux kernel, the following vulnerability has been resolved: gpio: mpsse: fix reference leak in gpio_mpsse_probe() error paths The reference obtained by calling usb_get_dev() is not released in the gpio_mpsse_probe() error paths. Fix that by using device managed helper functions. Also remove the usb_put_dev() call in the disconnect function since now it will be released automatically.

Package Linux Kernel

Published 2026-01-31

Last modified 2026-03-25

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 6.13 and later are affected. Fixed in 6.18.6, 6.19 and their respective stable series.

Affected from

≥ 6.13

Fixed in

✓ 6.18.6 6.18.x ✓ 6.19

References

The following references provide additional information about CVE-2026-23015 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/1e876e5a0875e71e34148c9feb2eedd3bf6b2b43
Patch
Kernel patch commit
https://git.kernel.org/stable/c/7ea26e6dcabc270433b6ded2a1aee85b215d1b28
Patch

Details

CVE ID CVE-2026-23015

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2026-01-31

Modified 2026-03-25

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-23015?

CVE-2026-23015 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.13 onward and has been patched in 6.18.6 and 6.19. CVE-2026-23015 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-23015?

CVE-2026-23015 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-2026-23015?

Yes — CVE-2026-23015 has been patched. Fixed versions include 6.18.6 and 6.19. If you are running Linux kernel 6.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-23015 actively exploited?

No — CVE-2026-23015 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.