Denial of Service Vulnerability in Linux Kernel DNS Resolver

CVE-2011-1076 · MEDIUM Severity

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

net/dns_resolver/dns_key.c in the Linux kernel before 2.6.38 allows remote DNS servers to cause a denial of service (NULL pointer dereference and OOPS) by not providing a valid response to a DNS query, as demonstrated by an erroneous grand.centrall.org query, which triggers improper handling of error data within a DNS resolver key.

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