Kernel Stack Memory Disclosure Vulnerability

CVE-2013-7264 · MEDIUM Severity

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

The l2tp_ip_recvmsg function in net/l2tp/l2tp_ip.c in the Linux kernel before 3.12.4 updates a certain length value before ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.

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