SUSE Security Update: Security update for qemu ______________________________________________________________________________ Announcement ID: SUSE-SU-2017:2969-1 Rating: important References: #1020427 #1021741 #1025109 #1025311 #1026612 #1028184 #1028656 #1030624 #1032075 #1034866 #1034908 #1035406 #1035950 #1036211 #1037242 #1039495 #1042159 #1042800 #1042801 #1043296 #1045035 #1046636 #1047674 #1048902 #1049381 #1056334 #1057585 #1062069 #1063122 #994418 #994605 Cross-References: CVE-2016-6834 CVE-2016-6835 CVE-2016-9602 CVE-2016-9603 CVE-2017-10664 CVE-2017-10806 CVE-2017-11334 CVE-2017-11434 CVE-2017-13672 CVE-2017-14167 CVE-2017-15038 CVE-2017-15289 CVE-2017-2633 CVE-2017-5579 CVE-2017-5973 CVE-2017-5987 CVE-2017-6505 CVE-2017-7377 CVE-2017-7471 CVE-2017-7493 CVE-2017-7718 CVE-2017-7980 CVE-2017-8086 CVE-2017-8112 CVE-2017-8309 CVE-2017-9330 CVE-2017-9373 CVE-2017-9375 CVE-2017-9503 Affected Products: SUSE Linux Enterprise Server 12-LTSS ______________________________________________________________________________ An update that solves 29 vulnerabilities and has two fixes is now available. Description: This update for qemu fixes several issues. These security issues were fixed: - CVE-2017-15289: The mode4and5 write functions allowed local OS guest privileged users to cause a denial of service (out-of-bounds write access and Qemu process crash) via vectors related to dst calculation (bsc#1063122) - CVE-2017-2633: The VNC display driver support was vulnerable to an out-of-bounds memory access issue. A user/process inside guest could use this flaw to cause DoS (bsc#1026612) - CVE-2017-15038: Race condition in the v9fs_xattrwalk function local guest OS users to obtain sensitive information from host heap memory via vectors related to reading extended attributes (bsc#1062069) - CVE-2017-14167: Integer overflow in the load_multiboot function allowed local guest OS users to execute arbitrary code on the host via crafted multiboot header address values, which trigger an out-of-bounds write (bsc#1057585) - CVE-2017-11434: The dhcp_decode function in slirp/bootp.c allowed local guest OS users to cause a denial of service (out-of-bounds read) via a crafted DHCP options string (bsc#1049381) - CVE-2017-11334: The address_space_write_continue function allowed local guest OS privileged users to cause a denial of service (out-of-bounds access and guest instance crash) by leveraging use of qemu_map_ram_ptr to access guest ram block area (bsc#1048902) - CVE-2017-13672: The VGA display emulator support allowed local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors involving display update (bsc#1056334) - CVE-2017-5973: A infinite loop while doing control transfer in xhci_kick_epctx allowed privileged user inside the guest to crash the host process resulting in DoS (bsc#1025109) - CVE-2017-5987: The sdhci_sdma_transfer_multi_blocks function in hw/sd/sdhci.c allowed local OS guest privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors involving the transfer mode register during multi block transfer (bsc#1025311) - CVE-2017-6505: The ohci_service_ed_list function allowed local guest OS users to cause a denial of service (infinite loop) via vectors involving the number of link endpoint list descriptors (bsc#1028184) - CVE-2016-9603: A privileged user within the guest VM could have caused a heap overflow in the device model process, potentially escalating their privileges to that of the device model process (bsc#1028656) - CVE-2017-7718: hw/display/cirrus_vga_rop.h allowed local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions (bsc#1034908) - CVE-2017-7980: An out-of-bounds r/w access issues in the Cirrus CLGD 54xx VGA Emulator support allowed privileged user inside guest to use this flaw to crash the Qemu process resulting in DoS or potentially execute arbitrary code on a host with privileges of Qemu process on the host (bsc#1035406) - CVE-2017-8112: hw/scsi/vmw_pvscsi.c allowed local guest OS privileged users to cause a denial of service (infinite loop and CPU consumption) via the message ring page count (bsc#1036211) - CVE-2017-9375: The USB xHCI controller emulator support was vulnerable to an infinite recursive call loop issue, which allowed a privileged user inside guest to crash the Qemu process resulting in DoS (bsc#1042800) - CVE-2017-9373: The IDE AHCI Emulation support was vulnerable to a host memory leakage issue, which allowed a privileged user inside guest to leak host memory resulting in DoS (bsc#1042801) - CVE-2017-9330: USB OHCI Emulation in qemu allowed local guest OS users to cause a denial of service (infinite loop) by leveraging an incorrect return value (bsc#1042159) - CVE-2017-8309: Memory leak in the audio/audio.c allowed remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture (bsc#1037242) - CVE-2017-7493: The VirtFS, host directory sharing via Plan 9 File System(9pfs) support, was vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could have used this flaw to escalate their privileges inside guest (bsc#1039495) - CVE-2016-9602: The VirtFS host directory sharing via Plan 9 File System(9pfs) support was vulnerable to an improper link following issue which allowed a privileged user inside guest to access host file system beyond the shared folder and potentially escalating their privileges on a host (bsc#1020427) - CVE-2017-5579: The 16550A UART serial device emulation support was vulnerable to a memory leakage issue allowing a privileged user to cause a DoS and/or potentially crash the Qemu process on the host (bsc#1021741) - CVE-2017-9503: The MegaRAID SAS 8708EM2 Host Bus Adapter emulation support was vulnerable to a null pointer dereference issue which allowed a privileged user inside guest to crash the Qemu process on the host resulting in DoS (bsc#1043296) - CVE-2017-10664: qemu-nbd did not ignore SIGPIPE, which allowed remote attackers to cause a denial of service (daemon crash) by disconnecting during a server-to-client reply attempt (bsc#1046636) - CVE-2017-10806: Stack-based buffer overflow allowed local guest OS users to cause a denial of service (QEMU process crash) via vectors related to logging debug messages (bsc#1047674) - CVE-2016-9602: The VirtFS host directory sharing via Plan 9 File System(9pfs) support was vulnerable to an improper link following issue which allowed a privileged user inside guest to access host file system beyond the shared folder and potentially escalating their privileges on a host (bsc#1020427) - CVE-2017-7377: The v9fs_create and v9fs_lcreate functions in hw/9pfs/9p.c allowed local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid (bsc#1032075) - CVE-2017-8086: A memory leak in the v9fs_list_xattr function in hw/9pfs/9p-xattr.c allowed local guest OS privileged users to cause a denial of service (memory consumption) via vectors involving the orig_value variable (bsc#1035950) - CVE-2017-7471: The VirtFS host directory sharing via Plan 9 File System(9pfs) support was vulnerable to an improper access control issue which allowed a privileged user inside guest to access host file system beyond the shared folder and potentially escalating their privileges on a host (bsc#1034866) - CVE-2016-6834: A infinite loop during packet fragmentation in the VMWARE VMXNET3 NIC device support allowed privileged user inside guest to crash the Qemu instance resulting in DoS (bsc#994418) - CVE-2016-6835: Buffer overflow in the VMWARE VMXNET3 NIC device support, causing an OOB read access (bsc#994605) - Fix privilege escalation in TCG mode (bsc#1030624) This non-security issue wsa fixed: * bsc#1045035: Fix regression introduced by former virtfs security fixes Patch Instructions: To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server 12-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-2017-1839=1 To bring your system up-to-date, use "zypper patch". Package List: - SUSE Linux Enterprise Server 12-LTSS (ppc64le s390x x86_64): qemu-2.0.2-48.34.3 qemu-block-curl-2.0.2-48.34.3 qemu-block-curl-debuginfo-2.0.2-48.34.3 qemu-debugsource-2.0.2-48.34.3 qemu-guest-agent-2.0.2-48.34.3 qemu-guest-agent-debuginfo-2.0.2-48.34.3 qemu-lang-2.0.2-48.34.3 qemu-tools-2.0.2-48.34.3 qemu-tools-debuginfo-2.0.2-48.34.3 - SUSE Linux Enterprise Server 12-LTSS (s390x x86_64): qemu-kvm-2.0.2-48.34.3 - SUSE Linux Enterprise Server 12-LTSS (ppc64le): qemu-ppc-2.0.2-48.34.3 qemu-ppc-debuginfo-2.0.2-48.34.3 - SUSE Linux Enterprise Server 12-LTSS (noarch): qemu-ipxe-1.0.0-48.34.3 qemu-seabios-1.7.4-48.34.3 qemu-sgabios-8-48.34.3 qemu-vgabios-1.7.4-48.34.3 - SUSE Linux Enterprise Server 12-LTSS (x86_64): qemu-block-rbd-2.0.2-48.34.3 qemu-block-rbd-debuginfo-2.0.2-48.34.3 qemu-x86-2.0.2-48.34.3 qemu-x86-debuginfo-2.0.2-48.34.3 - SUSE Linux Enterprise Server 12-LTSS (s390x): qemu-s390-2.0.2-48.34.3 qemu-s390-debuginfo-2.0.2-48.34.3 References: https://www.suse.com/security/cve/CVE-2016-6834.html https://www.suse.com/security/cve/CVE-2016-6835.html https://www.suse.com/security/cve/CVE-2016-9602.html https://www.suse.com/security/cve/CVE-2016-9603.html https://www.suse.com/security/cve/CVE-2017-10664.html https://www.suse.com/security/cve/CVE-2017-10806.html https://www.suse.com/security/cve/CVE-2017-11334.html https://www.suse.com/security/cve/CVE-2017-11434.html https://www.suse.com/security/cve/CVE-2017-13672.html https://www.suse.com/security/cve/CVE-2017-14167.html https://www.suse.com/security/cve/CVE-2017-15038.html https://www.suse.com/security/cve/CVE-2017-15289.html https://www.suse.com/security/cve/CVE-2017-2633.html https://www.suse.com/security/cve/CVE-2017-5579.html https://www.suse.com/security/cve/CVE-2017-5973.html https://www.suse.com/security/cve/CVE-2017-5987.html https://www.suse.com/security/cve/CVE-2017-6505.html https://www.suse.com/security/cve/CVE-2017-7377.html https://www.suse.com/security/cve/CVE-2017-7471.html https://www.suse.com/security/cve/CVE-2017-7493.html https://www.suse.com/security/cve/CVE-2017-7718.html https://www.suse.com/security/cve/CVE-2017-7980.html https://www.suse.com/security/cve/CVE-2017-8086.html https://www.suse.com/security/cve/CVE-2017-8112.html https://www.suse.com/security/cve/CVE-2017-8309.html https://www.suse.com/security/cve/CVE-2017-9330.html https://www.suse.com/security/cve/CVE-2017-9373.html https://www.suse.com/security/cve/CVE-2017-9375.html https://www.suse.com/security/cve/CVE-2017-9503.html https://bugzilla.suse.com/1020427 https://bugzilla.suse.com/1021741 https://bugzilla.suse.com/1025109 https://bugzilla.suse.com/1025311 https://bugzilla.suse.com/1026612 https://bugzilla.suse.com/1028184 https://bugzilla.suse.com/1028656 https://bugzilla.suse.com/1030624 https://bugzilla.suse.com/1032075 https://bugzilla.suse.com/1034866 https://bugzilla.suse.com/1034908 https://bugzilla.suse.com/1035406 https://bugzilla.suse.com/1035950 https://bugzilla.suse.com/1036211 https://bugzilla.suse.com/1037242 https://bugzilla.suse.com/1039495 https://bugzilla.suse.com/1042159 https://bugzilla.suse.com/1042800 https://bugzilla.suse.com/1042801 https://bugzilla.suse.com/1043296 https://bugzilla.suse.com/1045035 https://bugzilla.suse.com/1046636 https://bugzilla.suse.com/1047674 https://bugzilla.suse.com/1048902 https://bugzilla.suse.com/1049381 https://bugzilla.suse.com/1056334 https://bugzilla.suse.com/1057585 https://bugzilla.suse.com/1062069 https://bugzilla.suse.com/1063122 https://bugzilla.suse.com/994418 https://bugzilla.suse.com/994605 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org