3.3

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

Analyzed
AliasesUBUNTU-CVE-2026-22978DEBIAN-CVE-2026-22978
Published 23-01-2026Last modified 11-05-2026

Vulnerability summary

CVE-2026-22978 is a low (CVSS 3.3) vulnerability in linux. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 3.3, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
3.3/10
010
Low · v3.1 (NVD)
EPSS score
0.14%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 44 · Related 38
DLA-4475-1DLA-4476-1DSA-6126-1DSA-6127-1MGASA-2026-0097MGASA-2026-0098

Timeline

  1. 23-01-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.14%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.14% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu156 products
  • linuxAll versions (No fix recorded) | < 5.15.0-173.183 | < 6.8.0-117.117
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1103.110 | < 6.8.0-1055.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, < d943b5f592767b107ba8c12a902f17431350378c | ≥ 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, < a3827e310b5a73535646ef4a552d53b3c8bf74f6 | ≥ 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, < 442ceac0393185e9982323f6682a52a53e8462b1 | ≥ 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, < d21ec867d84c9f3a9845d7d8c90c9ce35dbe48f8 | ≥ 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, < 024f71a57d563fbe162e528c8bf2d27e9cac7c7b | ≥ 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, < e3c35177103ead4658b8a62f41e3080d45885464 | ≥ 87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4, < 21cbf883d073abbfe09e3924466aa5e0449e7261 | 2.6.27
  • linux_kernel≥ 2.6.27, < 5.10.248 | ≥ 5.11, < 5.15.198 | ≥ 5.16, < 6.1.161 | ≥ 6.2, < 6.6.121 | ≥ 6.7, < 6.12.66 | ≥ 6.13, < 6.18.6 | 6.19:rc1 | 6.19:rc2 | 6.19:rc3 | 6.19:rc4
Debian1 product
  • linux< 6.1.162-1 | < 6.12.69-1 | < 6.18.8-1

3 vendors · 159 products

References

37 links
Show all 37 references