Ranjivost programskog paketa qemu-kvm

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Red Hat Security Advisory

Synopsis: Important: qemu-kvm security update
Advisory ID: RHSA-2015:0998-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0998.html
Issue date: 2015-05-13
CVE Names: CVE-2015-3456
=====================================================================

1. Summary:

Updated qemu-kvm packages that fix one security issue are now available for
Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) – i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) – x86_64
Red Hat Enterprise Linux Server (v. 6) – i386, x86_64
Red Hat Enterprise Linux Workstation (v. 6) – i386, x86_64

3. Description:

KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the
user-space component for running virtual machines using KVM.

An out-of-bounds memory access flaw was found in the way QEMU’s virtual
Floppy Disk Controller (FDC) handled FIFO buffer access while processing
certain FDC commands. A privileged guest user could use this flaw to crash
the guest or, potentially, execute arbitrary code on the host with the
privileges of the host’s QEMU process corresponding to the guest.
(CVE-2015-3456)

Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.

All qemu-kvm users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing this
update, shut down all running virtual machines. Once all virtual machines
have shut down, start them again for this update to take effect.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1218611 – CVE-2015-3456 qemu: fdc: out-of-bounds fifo buffer memory access

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm

i386:
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm

x86_64:
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm

i386:
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm

i386:
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2015-3456
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

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Hash: SHA1

=====================================================================
Red Hat Security Advisory

Synopsis: Important: qemu-kvm security update
Advisory ID: RHSA-2015:0999-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0999.html
Issue date: 2015-05-13
CVE Names: CVE-2015-3456
=====================================================================

1. Summary:

Updated qemu-kvm packages that fix one security issue are now available for
Red Hat Enterprise Linux 7.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) – x86_64
Red Hat Enterprise Linux Client Optional (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) – x86_64
Red Hat Enterprise Linux Server (v. 7) – ppc64, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) – ppc64, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) – x86_64

3. Description:

Red Hat would like to thank Jason Geffner of CrowdStrike for reporting
this issue.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1218611 – CVE-2015-3456 qemu: fdc: out-of-bounds fifo buffer memory access

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
qemu-kvm-1.5.3-86.el7_1.2.src.rpm

x86_64:
libcacard-1.5.3-86.el7_1.2.i686.rpm
libcacard-1.5.3-86.el7_1.2.x86_64.rpm
qemu-img-1.5.3-86.el7_1.2.x86_64.rpm
qemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm
qemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm
qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm
qemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
libcacard-devel-1.5.3-86.el7_1.2.i686.rpm
libcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm
libcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm
qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
qemu-kvm-1.5.3-86.el7_1.2.src.rpm

x86_64:
libcacard-1.5.3-86.el7_1.2.i686.rpm
libcacard-1.5.3-86.el7_1.2.x86_64.rpm
libcacard-devel-1.5.3-86.el7_1.2.i686.rpm
libcacard-devel-1.5.3-86.el7_1.2.x86_64.rpm
libcacard-tools-1.5.3-86.el7_1.2.x86_64.rpm
qemu-img-1.5.3-86.el7_1.2.x86_64.rpm
qemu-kvm-1.5.3-86.el7_1.2.x86_64.rpm
qemu-kvm-common-1.5.3-86.el7_1.2.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-86.el7_1.2.i686.rpm
qemu-kvm-debuginfo-1.5.3-86.el7_1.2.x86_64.rpm
qemu-kvm-tools-1.5.3-86.el7_1.2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
qemu-kvm-1.5.3-86.el7_1.2.src.rpm

ppc64:
qemu-img-1.5.3-86.el7_1.2.ppc64.rpm
qemu-kvm-debuginfo-1.5.3-86.el7_1.2.ppc64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
libcacard-1.5.3-86.el7_1.2.ppc.rpm
libcacard-1.5.3-86.el7_1.2.ppc64.rpm
libcacard-devel-1.5.3-86.el7_1.2.ppc.rpm
libcacard-devel-1.5.3-86.el7_1.2.ppc64.rpm
libcacard-tools-1.5.3-86.el7_1.2.ppc64.rpm
qemu-kvm-debuginfo-1.5.3-86.el7_1.2.ppc.rpm
qemu-kvm-debuginfo-1.5.3-86.el7_1.2.ppc64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
qemu-kvm-1.5.3-86.el7_1.2.src.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2015-3456
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

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