Low 3.3Published Jan 23, 2026

CVE-2026-22978wifi: avoid kernel-infoleak from struct iw_point

Updated under an hour ago (Oct 27, 2026, 6:10 AM ET)

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Exploited in the last 30 days

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.

CVSS: 3.3 LOW (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 before d943b5f592767b107ba8c12a902f17431350378c; from 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 before a3827e310b5a73535646ef4a552d53b3c8bf74f6; from 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 before 442ceac0393185e9982323f6682a52a53e8462b1; from 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 before d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8; 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 builds before 024f71a57d563fbe162e528c8bf2d27e9cac7c7b; from 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 before e3c35177103ead4658b8a62f41e3080d45885464; 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 builds before 21cbf883d073abbfe09e3924466aa5e0449e7261	CNA record
linux linux_kernel linux:linux_kernel	from 2.6.27 before 5.10.248; from 5.11 before 5.15.198; from 5.16 before 6.1.161; from 6.2 before 6.6.121; from 6.7 before 6.12.66; from 6.13 before 6.18.6; 6.19; 6.19; and 2 more ranges	NVD

References

References

https://git.kernel.org/stable/c/d943b5f592767b107ba8c12a902f17431350378c	patch
https://git.kernel.org/stable/c/a3827e310b5a73535646ef4a552d53b3c8bf74f6	patch
https://git.kernel.org/stable/c/442ceac0393185e9982323f6682a52a53e8462b1	patch
https://git.kernel.org/stable/c/d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8	patch
https://git.kernel.org/stable/c/024f71a57d563fbe162e528c8bf2d27e9cac7c7b	patch
https://git.kernel.org/stable/c/e3c35177103ead4658b8a62f41e3080d45885464	patch
https://git.kernel.org/stable/c/21cbf883d073abbfe09e3924466aa5e0449e7261	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.