cve-2024-38575
Vulnerability from cvelistv5
Published
2024-06-19 13:37
Modified
2024-11-05 09:30
Severity ?
Summary
wifi: brcmfmac: pcie: handle randbuf allocation failure
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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                "timestamp": "2024-06-20T14:58:36.238292Z",
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          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: pcie: handle randbuf allocation failure\n\nThe kzalloc() in brcmf_pcie_download_fw_nvram() will return null\nif the physical memory has run out. As a result, if we use\nget_random_bytes() to generate random bytes in the randbuf, the\nnull pointer dereference bug will happen.\n\nIn order to prevent allocation failure, this patch adds a separate\nfunction using buffer on kernel stack to generate random bytes in\nthe randbuf, which could prevent the kernel stack from overflow."
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-38575",
    "datePublished": "2024-06-19T13:37:34.476Z",
    "dateReserved": "2024-06-18T19:36:34.924Z",
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