Bug 2536654 (CVE-2026-93166)

Summary: CVE-2026-93166 kernel: wifi: rtw89: debug: fix off by on in rtw89_ppdu_str()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: akhatavk, aos-team-art-private, asdas, dpaolell, jdelft, jupierce, lgarciaa, mbiarnes, ppalepu, ppostler, prdhamdh, rhel-process-autobot, sghai, sidsharm, suppawar, vlaad, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in the `wifi: rtw89` driver of the Linux kernel. An off-by-one error in the `rtw89_ppdu_str()` function, due to an incorrect comparison, can lead to an out-of-bounds access. This vulnerability could potentially result in a denial of service or information disclosure.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-09-17 19:02:55 UTC
In the Linux kernel, the following vulnerability has been resolved:

wifi: rtw89: debug: fix off by on in rtw89_ppdu_str()

This > comparison should be >= to avoid an out of bounds access.