Uninitialized Length Variable Vulnerability in sco_sock_recvmsg Function

CVE-2013-3226 · MEDIUM Severity

AV:L/AC:L/AU:N/C:C/I:N/A:N

The sco_sock_recvmsg function in net/bluetooth/sco.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call.

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