linux: IEEE P802.11-REVme D1.1 through D7.0 allows FragAttacks against mesh networks
CVE-2025-27558 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-27558, released May 21, 2025. It is not reported as exploited. Patch Radar priority: Urgent.
IEEE P802.11-REVme D1.1 through D7.0 allows FragAttacks against mesh networks. In mesh networks using Wi-Fi Protected Access (WPA, WPA2, or WPA3) or Wired Equivalent Privacy (WEP), an adversary can exploit this vulnerability to inject arbitrary frames towards devices that support receiving non-SSP A-MSDU frames. NOTE: this issue exists because of an incorrect fix for CVE-2020-24588. P802.11-REVme, as of early 2025, is a planned release of the 802.11 standard.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.1.147-1 | DEBIAN-CVE-2025-27558 | May 21, 2025 |
| linux · Debian 13.5 (trixie) | 6.12.41-1 | DEBIAN-CVE-2025-27558 | May 21, 2025 |
| linux · Debian 14 | 6.16.3-1 | DEBIAN-CVE-2025-27558 | May 21, 2025 |
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