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Family: SuSE Local Security Checks --> Category: infos

SUSE-SA:2005:067: kernel Vulnerability Scan

Vulnerability Scan Summary
Check for the version of the kernel package

Detailed Explanation for this Vulnerability Test

The remote host is missing the patch for the advisory SUSE-SA:2005:067 (kernel).

This kernel update for SUSE Linux 10.0 contains fixes for XEN, various
security fixes and bug fixes.

This update includes a more recent snapshot of the upcoming XEN 3.0.
Many bugs have been fixed. Stability for x86_64 has been improved.
Stability has been improved for SMP, and now both i586 and x86_64
kernels are built with SMP support.

It also contains several security fixes :

- CVE-2005-3783: A check in ptrace(2) handling that finds out if
a process is attaching to itself was incorrect and could be used
by a local attacker to crash the machine.

- CVE-2005-3784: A check in reaping of terminating child processes did
not consider ptrace(2) attached processes and would leave a ptrace
reference dangling. This could lead to a local user being able to
crash the machine.

- CVE-2005-3271: A task leak problem when releasing POSIX timers was
fixed. This could lead to local users causing a local denial of
service by exhausting system memory.

- CVE-2005-3805: A locking problem in POSIX timer handling could
be used by a local attacker on a SMP system to deadlock the machine.

- CVE-2005-3181: A problem in the Linux auditing code could lead
to a memory leak which finally could exhaust system memory of
a machine.

- CVE-2005-2973: An infinite loop in the IPv6 UDP loopback handling
can be easily triggered by a local user and lead to a denial
of service.

- CVE-2005-3806: A bug in IPv6 flow label handling code could be used
by a local attacker to free non-allocated memory and in turn corrupt
kernel memory and likely crash the machine.

- CVE-2005-3807: A memory kernel leak in VFS lease handling can
exhaust the machine memory and so cause a local denial of
service. This is seen in regular Samba use and could also be
triggered by local attackers.

- CVE-2005-3055: Unplugging an user space controlled USB device with
an URB pending in user space could crash the kernel. This can be
easily triggered by local attacker.

- CVE-2005-3180: Fixed incorrect padding in Orinoco wireless driver,
which could expose kernel data to the air.

- CVE-2005-3044: Missing sockfd_put() calls in routing_ioctl() leaked
file handles which in turn could exhaust system memory.

- CVE-2005-3527: A race condition in do_coredump in signal.c allows
local users to cause a denial of service (machine hang) by triggering
a core dump in one thread while another thread has a pending SIGSTOP.

Solution :
Threat Level: High

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