Bug 2379260 (CVE-2025-38343)

Summary: CVE-2025-38343 kernel: wifi: mt76: mt7996: drop fragments with multicast or broadcast RA
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2025-07-10 09:03:39 UTC 
In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: mt7996: drop fragments with multicast or broadcast RA

IEEE 802.11 fragmentation can only be applied to unicast frames.
Therefore, drop fragments with multicast or broadcast RA. This patch
addresses vulnerabilities such as CVE-2020-26145.
Comment 1 Avinash Hanwate 2025-07-10 10:17:51 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025071035-CVE-2025-38343-9a3b@gregkh/T