Kernel Memory Disclosure Vulnerability in Linux x25_recvmsg Function

CVE-2013-7271 · MEDIUM Severity

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

The x25_recvmsg function in net/x25/af_x25.c in the Linux kernel before 3.12.4 updates a certain length value without ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.

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