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CVE-2026-22978 (GCVE-0-2026-22978)

Vulnerability from cvelistv5 – Published: 2026-01-23 15:24 – Updated: 2026-05-11 21:57
VLAI
Title
wifi: avoid kernel-infoleak from struct iw_point
Summary
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.
Severity
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 , < d943b5f592767b107ba8c12a902f17431350378c (git)
Affected: 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 , < a3827e310b5a73535646ef4a552d53b3c8bf74f6 (git)
Affected: 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 , < 442ceac0393185e9982323f6682a52a53e8462b1 (git)
Affected: 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 , < d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8 (git)
Affected: 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 , < 024f71a57d563fbe162e528c8bf2d27e9cac7c7b (git)
Affected: 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 , < e3c35177103ead4658b8a62f41e3080d45885464 (git)
Affected: 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4 , < 21cbf883d073abbfe09e3924466aa5e0449e7261 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.27
Unaffected: 0 , < 2.6.27 (semver)
Unaffected: 5.10.248 , ≤ 5.10.* (semver)
Unaffected: 5.15.198 , ≤ 5.15.* (semver)
Unaffected: 6.1.161 , ≤ 6.1.* (semver)
Unaffected: 6.6.121 , ≤ 6.6.* (semver)
Unaffected: 6.12.66 , ≤ 6.12.* (semver)
Unaffected: 6.18.6 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T07:17:54+00:00",
      "cve": "CVE-2026-22978",
      "id": "CVE-2026-22978",
      "initial_release_date": "2026-01-23T00:00:00+00:00",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "232",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Linux kernel (wifi): Information disclosure via uninitialized data in struct iw_point",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22978.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-24T02:41:40Z",
      "cve": "CVE-2026-22978",
      "id": "CVE-2026-22978",
      "initial_release_date": "2026-01-27T00:27:09Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "614",
      "product_status:recommended": "344",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-22978",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-22978.json",
      "version": "25"
    }
  }
}



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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.