What is CVE-2026-72181?

CVE-2026-72181 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 2.6.23 onward and patched in 5.10.265, 5.15.212, 6.1.178 and others. CVE-2026-72181 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-72181?

CVE-2026-72181 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-2026-72181?

Yes, CVE-2026-72181 has been patched. Fixed versions include 5.10.265, 5.15.212, 6.1.178 and others. If you are running Linux kernel 2.6.23 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-72181 actively exploited?

CVE-2026-72181 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-72181

High

In the Linux kernel, the following vulnerability has been resolved: mips: sched: Fix CPUMASK_OFFSTACK memory corruption This patch addresses a critical memory management flaw. When CONFIG_CPUMASK_OFFSTACK is enabled, cpumask_var_t is a pointer. Consequently, sizeof(new_mask) evaluates to the pointer size, causing copy_from_user() to clobber the mask pointer. Furthermore, the old logic performed copy_from_user() before allocating the mask. Fix this by allocating new_mask first. To handle variable-sized user masks correctly, use cpumask_size() to truncate overly large user masks or pad undersized masks with zeros before copying the data directly into the allocated buffer.

Package Linux Kernel

Published 2026-08-15

Last modified 2026-08-19

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

Affected versions

Linux kernel versions 2.6.23 and later are affected. Fixed in 5.10.265, 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2 and their respective stable series.

Affected from

≥ 2.6.23

Fixed in

✓ 5.10.265 5.10.x ✓ 5.15.212 5.15.x ✓ 6.1.178 6.1.x ✓ 6.6.145 6.6.x ✓ 6.12.97 6.12.x ✓ 6.18.40 6.18.x ✓ 7.1.5 7.1.x ✓ 7.2

References

8 total

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2026-72181

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2026-08-15

Modified 2026-08-19

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-72181?

CVE-2026-72181 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 2.6.23 onward and has been patched in 5.10.265, 5.15.212, 6.1.178 and others. CVE-2026-72181 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-72181?

CVE-2026-72181 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-2026-72181?

Yes. CVE-2026-72181 has been patched. Fixed versions include 5.10.265, 5.15.212, 6.1.178 and others. If you are running Linux kernel 2.6.23 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-72181 actively exploited?

No. CVE-2026-72181 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.