Debian Linux Security Advisory 1928-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, sensitive memory leak or privilege escalation.
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Ubuntu Security Notice 852-1 - A large amount of vulnerabilities in the Linux 2.6.15 kernel have been addressed.
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Debian Security Advisory 1872-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to denial of service, privilege escalation or a leak of sensitive memory.
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The Openwall Linux kernel patch is a collection of security hardening features for the Linux kernel which can stop most 'cookbook' buffer overflow exploits. The patch can also add more privacy to the system by restricting access to parts of /proc so that users may not see what others are doing. Also tightens down file descriptors 0, 1, and 2, implements process limits and shared memory destruction.
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