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CVE-2026-64571: wifi: p54: validate RX frame length in p54_rx_eeprom_readback()

lowCVSS 3.2CVE-2026-64571

CSIRTS triage

product: Linux kernel p54 wifi driverDenial of service
What
Insufficient validation of RX frame length in the p54 wireless driver allows malformed frames to cause a denial-of-service.
Who is affected
Systems with p54 wireless hardware running the affected Linux kernel.
Urgency
Low severity with CVSS 3.2; patching can be scheduled in regular maintenance windows.
Action
Update the Linux kernel to include the p54 RX frame length validation.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
low — CVSS 3.2
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64571

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-2026-64571coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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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