CVE-2026-68406: wifi: cfg80211: validate PMSR FTM preamble range

Received
AliasesUBUNTU-CVE-2026-68406DEBIAN-CVE-2026-68406
Published 10-08-2026Last modified 19-08-2026

Vulnerability summary

CVE-2026-68406 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 8% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.18%
0%100%
Low · -0.04 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 28 · Related 25
MGASA-2026-0336MGASA-2026-0337OPENSUSE-SU-2026:21910-1RHSA-2026:67150SUSE-SU-2026:23477-1SUSE-SU-2026:23481-1

Timeline

  1. 10-08-2026
    PublishedVulnerability first disclosed.
  2. 19-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate PMSR FTM preamble range PMSR FTM request parsing accepts preamble values outside the enumerated nl80211 preamble range. Reject out-of-range values before using them in the parser capability bit test using the policy. [drop unnecessary check]

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

Decrease -0.04 pp

From 0.22% 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: not stated in public data.

Ubuntu165 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-147.147 | < 7.0.0-38.38
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1067.70 | < 7.0.0-1014.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.187-1 | < 6.12.101-1 | < 7.1.6-1
  • linux-6.12< 6.12.101-1~deb12u1
Linux1 product
  • linux≥ 9bb7e0f24e7e7d00daa1219b14539e2e602649b2, < 73ada9f23c2c7fac74474ea2a38ceb265bae17f1 | ≥ 9bb7e0f24e7e7d00daa1219b14539e2e602649b2, < 2b97fa1bce7731f6a244f3d4407c61858f09b93f | ≥ 9bb7e0f24e7e7d00daa1219b14539e2e602649b2, < 9b33f260db3971f572dda0b45dd28d477cf51ed1 | ≥ 9bb7e0f24e7e7d00daa1219b14539e2e602649b2, < 44ea65d779e2d23b2264fea6af2d0c666a3ec9fb | ≥ 9bb7e0f24e7e7d00daa1219b14539e2e602649b2, < 922d71fbaf99c1d5318151a0cb0a42ad448d07d9 | ≥ 9bb7e0f24e7e7d00daa1219b14539e2e602649b2, < cfbda103aeae61071a122a6fc2bfe98cffbd7165 | ≥ 9bb7e0f24e7e7d00daa1219b14539e2e602649b2, < 58320cb47df2accc7a20bb72c0150280732fa58f | ≥ 9bb7e0f24e7e7d00daa1219b14539e2e602649b2, < 36230936468f0ba4930e94aef496fc229d4bb951 | 5.0

3 vendors · 168 products

References

26 links
Show all 26 references