Red Hat Product Errata RHSA-2015:0998 - Security Advisory
Issued:
2015-05-13
Updated:
2015-05-13

RHSA-2015:0998 - Security Advisory

Synopsis

Important: qemu-kvm security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

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.

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.

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

Affected Products

  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.6 i386
  • Red Hat Enterprise Linux Server - AUS 6.6 x86_64
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
  • Red Hat Enterprise Linux Server - TUS 6.6 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.6 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.6 i386
  • Red Hat Enterprise Linux EUS Compute Node 6.6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386

Fixes

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

Red Hat Enterprise Linux Server 6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b
i386
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 4cc58e3fb1c5719b7599ba0736625fa2b6eef6a00a012d8dc57a7fca083913c7
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 349591a12f40774d3ee4b074f8ecaa5e7446a87ca335cbd6be07bc90c19cc5c8

Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b
i386
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 4cc58e3fb1c5719b7599ba0736625fa2b6eef6a00a012d8dc57a7fca083913c7
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 349591a12f40774d3ee4b074f8ecaa5e7446a87ca335cbd6be07bc90c19cc5c8

Red Hat Enterprise Linux Workstation 6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b
i386
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 4cc58e3fb1c5719b7599ba0736625fa2b6eef6a00a012d8dc57a7fca083913c7
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 349591a12f40774d3ee4b074f8ecaa5e7446a87ca335cbd6be07bc90c19cc5c8

Red Hat Enterprise Linux Desktop 6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b
i386
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 4cc58e3fb1c5719b7599ba0736625fa2b6eef6a00a012d8dc57a7fca083913c7
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 349591a12f40774d3ee4b074f8ecaa5e7446a87ca335cbd6be07bc90c19cc5c8

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b

Red Hat Enterprise Linux Server from RHUI 6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b
i386
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 4cc58e3fb1c5719b7599ba0736625fa2b6eef6a00a012d8dc57a7fca083913c7
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 349591a12f40774d3ee4b074f8ecaa5e7446a87ca335cbd6be07bc90c19cc5c8

Red Hat Enterprise Linux Server - AUS 6.6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b
i386
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 4cc58e3fb1c5719b7599ba0736625fa2b6eef6a00a012d8dc57a7fca083913c7
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 349591a12f40774d3ee4b074f8ecaa5e7446a87ca335cbd6be07bc90c19cc5c8

Red Hat Enterprise Linux Server - TUS 6.6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b

Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b
i386
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 4cc58e3fb1c5719b7599ba0736625fa2b6eef6a00a012d8dc57a7fca083913c7
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 349591a12f40774d3ee4b074f8ecaa5e7446a87ca335cbd6be07bc90c19cc5c8

Red Hat Enterprise Linux EUS Compute Node 6.6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b

Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6

SRPM
qemu-kvm-0.12.1.2-2.448.el6_6.3.src.rpm SHA-256: 2eb95cecba24ecdddd325f0d69949cb29bb736eae272fc6b475b1eb785ca505e
x86_64
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1115c57c00d087511962d9ff3ae7180468fd9c24317244153f30c295877ad297
qemu-img-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 3af9b21ea9bd7954cee40999561a60a4031afe0f30676a3c30a62b98ea986c53
qemu-kvm-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 779ceb5c9804fa51e40ad75dfc81ae0a33b097099a396d988d1444a04fecf517
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: 1626f7e216eacce4f646a168a3146a4a6ec0fea5fe0fc82a3b2da1274267f1fb
qemu-kvm-tools-0.12.1.2-2.448.el6_6.3.x86_64.rpm SHA-256: b6371b1882e3c79259c36d2296be2e24b0eefc48856ee71cfafa38694cc9a91b
i386
qemu-guest-agent-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 4cc58e3fb1c5719b7599ba0736625fa2b6eef6a00a012d8dc57a7fca083913c7
qemu-kvm-debuginfo-0.12.1.2-2.448.el6_6.3.i686.rpm SHA-256: 349591a12f40774d3ee4b074f8ecaa5e7446a87ca335cbd6be07bc90c19cc5c8

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