What is CVE-2026-22978?

CVE-2026-22978 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10, affecting Linux kernel versions from 2.6.27 onward and patched in 5.10.248, 5.15.198, 6.1.161 and others. CVE-2026-22978 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-22978?

CVE-2026-22978 has a CVSS score of 3.3 out of 10, rated Low severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Is there a patch available for CVE-2026-22978?

Yes, CVE-2026-22978 has been patched. Fixed versions include 5.10.248, 5.15.198, 6.1.161 and others. If you are running Linux kernel 2.6.27 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-22978 actively exploited?

CVE-2026-22978 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-22978

Low

In the Linux kernel, the following vulnerability has been resolved: wifi: avoid kernel-infoleak from struct iw_point struct iw_point has a 32bit hole on 64bit arches. struct iw_point { void __user *pointer; /* Pointer to the data (in user space) */ __u16 length; /* number of fields or size in bytes */ __u16 flags; /* Optional params */ }; Make sure to zero the structure to avoid disclosing 32bits of kernel data to user space.

Package Linux Kernel

Published 2026-01-23

Last modified 2026-02-26

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

3.3

out of 10

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Vector string

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

Affected versions

Linux kernel versions 2.6.27 and later are affected. Fixed in 5.10.248, 5.15.198, 6.1.161, 6.6.121, 6.12.66, 6.18.6, 6.19 and their respective stable series.

Affected from

≥ 2.6.27

Fixed in

✓ 5.10.248 5.10.x ✓ 5.15.198 5.15.x ✓ 6.1.161 6.1.x ✓ 6.6.121 6.6.x ✓ 6.12.66 6.12.x ✓ 6.18.6 6.18.x ✓ 6.19

References

The following references provide additional information about CVE-2026-22978 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/024f71a57d563fbe162e528c8bf2d27e9cac7c7b
Patch
Kernel patch commit
https://git.kernel.org/stable/c/21cbf883d073abbfe09e3924466aa5e0449e7261
Patch
Kernel patch commit
https://git.kernel.org/stable/c/442ceac0393185e9982323f6682a52a53e8462b1
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2026-22978

Severity Low

CVSS score 3.3 / 10

CVSS version 3.1

Published 2026-01-23

Modified 2026-02-26

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-22978?

CVE-2026-22978 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10 . It affects Linux kernel versions from 2.6.27 onward and has been patched in 5.10.248, 5.15.198, 6.1.161 and others. CVE-2026-22978 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-22978?

CVE-2026-22978 has a CVSS score of 3.3 out of 10, rated Low severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Is there a patch available for CVE-2026-22978?

Yes — CVE-2026-22978 has been patched. Fixed versions include 5.10.248, 5.15.198, 6.1.161 and others. If you are running Linux kernel 2.6.27 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-22978 actively exploited?

No — CVE-2026-22978 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.