CVE-2026-80949Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's brcmfmac Wi-Fi driver. The memory allocated for a buffer is not properly released in certain error handling paths within the `brcmf_sdio_read_control()` function. This improper memory management can l…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 5.3
none → medium
— → 5.3
none → medium
Last analysed / modified upstream
0.2% → 0.2%
— → 5.5
none → medium
A flaw was found in the Linux kernel's brcmfmac Wi-Fi driver. The memory allocated for a buffer is not properly released in certain error handling paths within the brcmf_sdio_read_control() function. This improper memory management can lead to a memory leak, potentially causing system instability or a denial of service (DoS) due to resource exhaustion.
kernel: wifi: brcmfmac: Fix memory leak in brcmf_sdio_read_control() — rated Low by Red Hat. Released 2026-09-11, updated 2026-09-14.
Affected:
No fix planned:
Not affected:
Fix deferred
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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