OracleVM 2.1 : kernel (OVMSA-2009-0009)

This script is Copyright (C) 2014-2017 Tenable Network Security, Inc.


Synopsis :

The remote OracleVM host is missing one or more security updates.

Description :

The remote OracleVM system is missing necessary patches to address
critical security updates :

CVE-2008-4307 Race condition in the do_setlk function in fs/nfs/file.c
in the Linux kernel before 2.6.26 allows local users to cause a denial
of service (crash) via vectors resulting in an interrupted RPC call
that leads to a stray FL_POSIX lock, related to improper handling of a
race between fcntl and close in the EINTR case.

CVE-2009-1337 The exit_notify function in kernel/exit.c in the Linux
kernel before 2.6.30-rc1 does not restrict exit signals when the
CAP_KILL capability is held, which allows local users to send an
arbitrary signal to a process by running a program that modifies the
exit_signal field and then uses an exec system call to launch a setuid
application.

CVE-2009-0834 The audit_syscall_entry function in the Linux kernel
2.6.28.7 and earlier on the x86_64 platform does not properly handle
(1) a 32-bit process making a 64-bit syscall or (2) a 64-bit process
making a 32-bit syscall, which allows local users to bypass certain
syscall audit configurations via crafted syscalls, a related issue to
CVE-2009-0342 and CVE-2009-0343.

CVE-2009-1336 fs/nfs/client.c in the Linux kernel before 2.6.23 does
not properly initialize a certain structure member that stores the
maximum NFS filename length, which allows local users to cause a
denial of service (OOPS) via a long filename, related to the
encode_lookup function.

- CVE-2008-4307 -[nfs] remove bogus lock-if-signalled case
(Bryn M. Reeves) [456287 456288]

- CVE-2009-1337 - [misc] exit_notify: kill the wrong
capable check

- CVE-2009-0834 - [ptrace] audit_syscall_entry to use
right syscall number (Jiri Pirko) [488001 488002]

- CVE-2009-1336 - [nfs] v4: client crash on file lookup
with long names (Sachin S. Prabhu) [494078 493942]

See also :

https://oss.oracle.com/pipermail/oraclevm-errata/2009-May/000023.html

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: OracleVM Local Security Checks

Nessus Plugin ID: 79456 ()

Bugtraq ID: 33417
33951
34405

CVE ID: CVE-2008-4307
CVE-2009-0342
CVE-2009-0343
CVE-2009-0834
CVE-2009-1336
CVE-2009-1337

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