CVE-2024-38575 - CVE House
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Status published Unknown CVE-2024-38575

wifi: brcmfmac: pcie: handle randbuf allocation failure

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: pcie: handle randbuf allocation failure The kzalloc() in brcmf_pcie_download_fw_nvram() will return null if the physical memory has run out. As a result, if we use get_random_bytes() to generate random bytes in the randbuf, the null pointer dereference bug will happen. In order to prevent allocation failure, this patch adds a separate function using buffer on kernel stack to generate random bytes in the randbuf, which could prevent the kernel stack from overflow.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Linux
Vulnerable Versions:
c35105f375b530bc27e03ea9250b1c26dd4cae86, 91918ce88d9fef408bb12c46a27c73d79b604c20, ba72baed066f3bfa8b489e4b58f1fcaf51c04f83, 6.1.30, 6.3.4, 6.4, 0, 6.1.93, 6.6.33, 6.8.12, 6.9.3, 6.10

Timeline

Official Publish: June 19th, 2024
Last Modified: May 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.