What is CVE-2025-71122?

CVE-2025-71122 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 6.2 onward and patched in 6.6.120, 6.12.64, 6.18.3 and others. CVE-2025-71122 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-71122?

CVE-2025-71122 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-2025-71122?

Yes, CVE-2025-71122 has been patched. Fixed versions include 6.6.120, 6.12.64, 6.18.3 and others. If you are running Linux kernel 6.2 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-71122 actively exploited?

CVE-2025-71122 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-71122

High

In the Linux kernel, the following vulnerability has been resolved: iommufd/selftest: Check for overflow in IOMMU_TEST_OP_ADD_RESERVED syzkaller found it could overflow math in the test infrastructure and cause a WARN_ON by corrupting the reserved interval tree. This only effects test kernels with CONFIG_IOMMUFD_TEST. Validate the user input length in the test ioctl.

Package Linux Kernel

Published 2026-01-14

Last modified 2026-03-25

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 6.2 and later are affected. Fixed in 6.6.120, 6.12.64, 6.18.3, 6.19 and their respective stable series.

Affected from

≥ 6.2

Fixed in

✓ 6.6.120 6.6.x ✓ 6.12.64 6.12.x ✓ 6.18.3 6.18.x ✓ 6.19

References

The following references provide additional information about CVE-2025-71122 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/4cc829d61f10c20523fd4085c1546e741a792a97
Patch
Kernel patch commit
https://git.kernel.org/stable/c/b166b8e0a381429fefd9180e67fbc834b3cee82f
Patch
Kernel patch commit
https://git.kernel.org/stable/c/e6a973af11135439de32ece3b9cbe3bfc043bea8
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2025-71122

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2026-01-14

Modified 2026-03-25

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-71122?

CVE-2025-71122 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 6.2 onward and has been patched in 6.6.120, 6.12.64, 6.18.3 and others. CVE-2025-71122 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-71122?

CVE-2025-71122 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-2025-71122?

Yes — CVE-2025-71122 has been patched. Fixed versions include 6.6.120, 6.12.64, 6.18.3 and others. If you are running Linux kernel 6.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-71122 actively exploited?

No — CVE-2025-71122 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.