CVE-2026-22978

low-risk
Published 2026-01-23

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.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (5)

Affected Vendors

Linux

References (7)

Patch https://git.kernel.org/stable/c/024f71a57d563fbe162e528c8bf2d27e9cac7c7b
Patch https://git.kernel.org/stable/c/21cbf883d073abbfe09e3924466aa5e0449e7261
Patch https://git.kernel.org/stable/c/442ceac0393185e9982323f6682a52a53e8462b1
Patch https://git.kernel.org/stable/c/a3827e310b5a73535646ef4a552d53b3c8bf74f6
Patch https://git.kernel.org/stable/c/d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8
Patch https://git.kernel.org/stable/c/d943b5f592767b107ba8c12a902f17431350378c
Patch https://git.kernel.org/stable/c/e3c35177103ead4658b8a62f41e3080d45885464
25
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 12/34 · Low