What is CVE-2026-31489?

CVE-2026-31489 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 4.14.244 onward and patched in 5.15.209, 6.1.175, 6.6.140 and others. CVE-2026-31489 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-31489?

CVE-2026-31489 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2026-31489?

Yes, CVE-2026-31489 has been patched. Fixed versions include 5.15.209, 6.1.175, 6.6.140 and others. If you are running Linux kernel 4.14.244 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-31489 actively exploited?

CVE-2026-31489 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-31489

High

In the Linux kernel, the following vulnerability has been resolved: spi: meson-spicc: Fix double-put in remove path meson_spicc_probe() registers the controller with devm_spi_register_controller(), so teardown already drops the controller reference via devm cleanup. Calling spi_controller_put() again in meson_spicc_remove() causes a double-put.

Package Linux Kernel

Published 2026-04-22

Last modified 2026-06-01

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-415

CVE-2026-31489 is classified as CWE-415

See CWE-415 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 4.14.244, 4.19.203, 5.4.140, 5.10.58, 5.13.10, 5.14 and later are affected. Fixed in 5.15.209, 6.1.175, 6.6.140, 6.12.80, 6.18.21, 6.19.11, 7.0 and their respective stable series.

Affected from

≥ 4.14.244 ≥ 4.19.203 ≥ 5.4.140 ≥ 5.10.58 ≥ 5.13.10 ≥ 5.14

Fixed in

✓ 5.15.209 5.15.x ✓ 6.1.175 6.1.x ✓ 6.6.140 6.6.x ✓ 6.12.80 6.12.x ✓ 6.18.21 6.18.x ✓ 6.19.11 6.19.x ✓ 7.0

References

The following references provide additional information about CVE-2026-31489 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/0d645c6d13fa0597935d3d16b09a7ba5d24ed284
Patch
Kernel patch commit
https://git.kernel.org/stable/c/40ad0334c17b23d8b66b1082ad1478a6202e90e2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/63542bb402b7013171c9f621c28b609eda4dbf1f
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2026-31489

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2026-04-22

Modified 2026-06-01

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-31489?

CVE-2026-31489 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 4.14.244 onward and has been patched in 5.15.209, 6.1.175, 6.6.140 and others. CVE-2026-31489 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-31489?

CVE-2026-31489 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2026-31489?

Yes — CVE-2026-31489 has been patched. Fixed versions include 5.15.209, 6.1.175, 6.6.140 and others. If you are running Linux kernel 4.14.244 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-31489 actively exploited?

No — CVE-2026-31489 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.