Debian 3.1 Security Advisory DSA-921-1: Critical Kernel DoS Issues

Alexander Nyberg discovered that the ptrace() system call does not
properly verify addresses on the amd64 architecture which can be
exploited by a local attacker to crash the kernel.

CVE-2005-0757

A problem in the offset handling in the xattr file system code for
ext3 has been discovered that may allow users on 64-bit systems
that have access to an ext3 filesystem with extended attributes to
cause the kernel to crash.

CVE-2005-1762

A vulnerability has been discovered in the ptrace() system call on
the amd64 architecture that allowas a local attacker to cause the
kernel to crash.

CVE-2005-1767

A vulnerability has been discovered in the stack segment fault
handler that could allow a local attacker to cause stack exception
that will leed the kernel to crash under certain circumstances.

CVE-2005-1768

Ilja van Sprundel discovered a race condition in the IA32 (x86)
compatibility execve() systemcall for amd64 and IA64 tha...