CVE-2026-22978: Linux vulnerability

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

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.

UnknownCVSS not scoredNot KEV-listedUpdatedMay 11, 2026, 21:57 UTC (UTC+00:00)

Potential ATT&CK relevance

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CVE-2026-22978 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 23, 2026, 15:24 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

3Timeline events

0ADP providers

8Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
Jan 13, 2026, 15:37 UTC (UTC+00:00)
CVE publishedCVE Program
The CVE record was published.
Jan 23, 2026, 15:24 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
May 11, 2026, 21:57 UTC (UTC+00:00)

Source materials

CVE List V5 sourceCVE List V5
https://git.kernel.org/stable/c/d943b5f592767b107ba8c12a902f17431350378cCVE reference, Linux
https://git.kernel.org/stable/c/a3827e310b5a73535646ef4a552d53b3c8bf74f6CVE reference, Linux
https://git.kernel.org/stable/c/442ceac0393185e9982323f6682a52a53e8462b1CVE reference, Linux
https://git.kernel.org/stable/c/d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8CVE reference, Linux
https://git.kernel.org/stable/c/024f71a57d563fbe162e528c8bf2d27e9cac7c7bCVE reference, Linux
https://git.kernel.org/stable/c/e3c35177103ead4658b8a62f41e3080d45885464CVE reference, Linux
https://git.kernel.org/stable/c/21cbf883d073abbfe09e3924466aa5e0449e7261CVE reference, Linux

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

LinuxLinux87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4unaffected

LinuxLinux2.6.27, 0, 5.10.248, 5.15.198, 6.1.161, 6.6.121, 6.12.66, 6.18.6, 6.19affected

Weakness

CWE details

No CWE listed

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