CVE-2026-68406 is a vulnerability in Linux Kernel
Published on August 10, 2026
wifi: cfg80211: validate PMSR FTM preamble range
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]
Products Associated with CVE-2026-68406
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Affected Versions
Linux:- Version 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 and below 44ea65d779e2d23b2264fea6af2d0c666a3ec9fb is affected.
- Version 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 and below 922d71fbaf99c1d5318151a0cb0a42ad448d07d9 is affected.
- Version 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 and below cfbda103aeae61071a122a6fc2bfe98cffbd7165 is affected.
- Version 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 and below 58320cb47df2accc7a20bb72c0150280732fa58f is affected.
- Version 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 and below 36230936468f0ba4930e94aef496fc229d4bb951 is affected.
- Version 5.0 is affected.
- Before 5.0 is unaffected.
- Version 6.6.148, <= 6.6.* is unaffected.
- Version 6.12.101, <= 6.12.* is unaffected.
- Version 6.18.42, <= 6.18.* is unaffected.
- Version 7.1.6, <= 7.1.* is unaffected.
- Version 7.2-rc4, <= * is unaffected.