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CVE-2024-47738: wifi: mac80211: don't use rate mask for offchannel TX either

lowCVSS 3.3CVE-2024-47738

CSIRTS triage

vendor: Linuxproduct: Linux kernelDenial of service
What
The mac80211 wifi driver incorrectly applies rate masks to off-channel transmissions causing transmission failures.
Who is affected
Linux systems using mac80211 wireless driver for off-channel communication.
Urgency
Low priority; denial of service limited to wireless transmission capability with CVSS 3.3.
Action
Apply Linux kernel patch addressing CVE-2024-47738 or upgrade to a patched kernel version.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
low — CVSS 3.3
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-47738

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-47738coverage & exploitation statusNVD · 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.

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