CVE-2024-35937: wifi: cfg80211: check A-MSDU format more carefully
CSIRTS triage
- What
- WiFi cfg80211 subsystem does not properly validate A-MSDU frame format, allowing malformed packets to trigger issues.
- Who is affected
- Systems with WiFi hardware and cfg80211 driver enabled receiving crafted A-MSDU frames.
- Urgency
- High priority; memory corruption vulnerability exploitable via wireless frames.
- Action
- Apply kernel patch to add stricter A-MSDU format validation in cfg80211.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-35937
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2024-359370.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-35937 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for wifi
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-64586: In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: drain bus_…nvd · 2026-08-06
- mediumCVE-2026-64586: wifi: brcmfmac: drain bus_reset work on device removalmsrc · 2026-08-06
- mediumCVE-2025-71227: wifi: mac80211: don't WARN for connections on invalid channelsmsrc · 2026-08-06
- mediumCVE-2024-49937: wifi: cfg80211: Set correct chandef when starting CACmsrc · 2026-08-06
- lowCVE-2026-64571: wifi: p54: validate RX frame length in p54_rx_eeprom_readback()msrc · 2026-08-06
- mediumCVE-2024-36922: wifi: iwlwifi: read txq->read_ptr under lockmsrc · 2026-08-06
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