What is CVE-2026-23187?

CVE-2026-23187 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a Out-of-bounds Read flaw (CWE-125), affecting Linux kernel versions from 5.16 onward and patched in 6.1.163, 6.6.124, 6.12.70 and others. CVE-2026-23187 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-23187?

CVE-2026-23187 has a CVSS score of 7.1 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:N/A:H.

Is there a patch available for CVE-2026-23187?

Yes, CVE-2026-23187 has been patched. Fixed versions include 6.1.163, 6.6.124, 6.12.70 and others. If you are running Linux kernel 5.16 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-23187 actively exploited?

CVE-2026-23187 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/125.html

CVE-2026-23187

High

In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx8m-blk-ctrl: fix out-of-range access of bc->domains Fix out-of-range access of bc->domains in imx8m_blk_ctrl_remove().

Package Linux Kernel

Published 2026-02-14

Last modified 2026-03-19

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-125

CVE-2026-23187 is a Out-of-bounds Read vulnerability

What is Out-of-bounds Read?

The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.16 and later are affected. Fixed in 6.1.163, 6.6.124, 6.12.70, 6.18.10, 6.19 and their respective stable series.

Affected from

≥ 5.16

Fixed in

✓ 6.1.163 6.1.x ✓ 6.6.124 6.6.x ✓ 6.12.70 6.12.x ✓ 6.18.10 6.18.x ✓ 6.19

References

5 total

Kernel Git
https://git.kernel.org/stable/c/071159ff5c0bf2e5efff79501e23faf3775cbcd1

Patch
Kernel Git
https://git.kernel.org/stable/c/4390dcdabb5fca4647bf56a5a6b050bbdfa5760f

Patch
Kernel Git
https://git.kernel.org/stable/c/6bd8b4a92a901fae1a422e6f914801063c345e8d

Patch
Kernel Git
https://git.kernel.org/stable/c/7842b5dfcac888ece025a2321257d74b2264b099

Patch
Kernel Git
https://git.kernel.org/stable/c/eb54ce033b344b531b374496e68a2554b2b56b5a

Patch

Details

CVE ID CVE-2026-23187

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2026-02-14

Modified 2026-03-19

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-23187?

CVE-2026-23187 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . It affects Linux kernel versions from 5.16 onward and has been patched in 6.1.163, 6.6.124, 6.12.70 and others. CVE-2026-23187 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-23187?

CVE-2026-23187 has a CVSS score of 7.1 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:N/A:H.
Is there a patch available for CVE-2026-23187?

Yes. CVE-2026-23187 has been patched. Fixed versions include 6.1.163, 6.6.124, 6.12.70 and others. If you are running Linux kernel 5.16 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-23187 actively exploited?

No. CVE-2026-23187 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.