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USN-863-1: QEMU vulnerability

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Special Forums Cybersecurity Security Advisories (RSS) USN-863-1: QEMU vulnerability
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Old 12-03-2009
USN-863-1: QEMU vulnerability
Description:
=========================================================== Ubuntu Security Notice USN-863-1 December 03, 2009 qemu-kvm vulnerabilities https://launchpad.net/bugs/458521 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 9.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 9.10: qemu-kvm 0.11.0-0ubuntu6.3 After a standard system upgrade you need to restart any QEMU guests to effect the necessary changes. Details follow: It was discovered that QEMU did not properly setup the virtio networking features available to its guests. A remote attacker could exploit this to crash QEMU guests which use virtio networking on Linux kernels earlier than 2.6.26.





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LEARN ABOUT LINUX

aa-enforce

AA-ENFORCE(8)                                                        AppArmor                                                        AA-ENFORCE(8)

NAME

       aa-enforce - set an AppArmor security profile to enforce mode from being disabled or complain mode.

SYNOPSIS

       aa-enforce <executable> [<executable> ...]

DESCRIPTION

       aa-enforce is used to set the enforcement mode for one or more profiles to enforce.  This command is only relevant in conjunction with the
       aa-complain utility which sets a profile to complain mode and the aa-disable utility which unloads and disables a profile. The default mode
       for a security policy is enforce and the aa-complain utility must be run to change this behavior.

BUGS

       If you find any bugs, please report them at <http://https://bugs.launchpad.net/apparmor/+filebug>.

SEE ALSO

       apparmor(7), apparmor.d(5), aa-complain(1), aa-disable(1), aa_change_hat(2), and <http://wiki.apparmor.net>.

AppArmor 2.7.103                                                    2012-06-28                                                       AA-ENFORCE(8)