Ubuntu Security Notice 659-1 - A massive amount of vulnerabilities related to the linux 2.6.15/22 kernels have been addressed and patched.
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Debian Security Advisory 1653-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation.
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Debian Security Advisory 1636-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or leak sensitive data.
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