The dma_rx function in drivers/net/wireless/b43/dma.c in the Linux kernel before 2.6.39 does not properly allocate receive buffers, which allows remote attackers to cause a denial of service (system crash) via a crafted frame.
CVSS Severity (version 2.0):
Impact Subscore: 6.9
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows disruption of service
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[oss-security] 20110914 Re: CVE request -- kernel: b43: allocate receive buffers big enough for max frame len + offset
Patch Information; Exploit