Buffer overflow in the __nfs4_get_acl_uncached function in
fs/nfs/nfs4proc.c in the Linux kernel before 3.7.2 allows local users
to cause a denial of service (memory corruption and system crash) or
possibly have unspecified other impact via a getxattr system call for
the system.nfs4_acl extended attribute of a pathname on an NFSv4
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MLIST:[oss-security] 20131118 CVE-2013-4591 -- Linux kernel: kernel: nfs: missing check for buffer length in __nfs4_get_acl_uncached
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