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SUSE-SU-2019:0423-1

Опубликовано: 18 фев. 2019
Источник: suse-cvrf

Описание

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • CVE-2019-6778: Fixed a heap buffer overflow issue in the SLiRP networking implementation (bsc#1123156).
  • CVE-2018-16872: Fixed a host security vulnerability related to handling symlinks in usb-mtp (bsc#1119493).
  • CVE-2018-19489: Fixed a denial of service vulnerability in virtfs (bsc#1117275).
  • CVE-2018-19364: Fixed a use-after-free if the virtfs interface resulting in a denial of service (bsc#1116717).
  • CVE-2018-18954: Fixed a denial of service vulnerability related to PowerPC PowerNV memory operations (bsc#1114957).

Non-security issues fixed:

  • Improved disk performance for qemu on xen (bsc#1100408).
  • Fixed xen offline migration (bsc#1079730, bsc#1101982, bsc#1063993).
  • Fixed pwrite64/pread64/write to return 0 over -1 for a zero length NULL buffer in qemu (bsc#1121600).
  • Use /bin/bash to echo value into sys fs for ksm control (bsc#1112646).
  • Return specification exception for unimplemented diag 308 subcodes rather than a hardware error (bsc#1123179).

Список пакетов

Image SLES15-EC2-CHOST-HVM-BYOS
qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Basesystem 15
qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15
qemu-2.11.2-9.20.1
qemu-arm-2.11.2-9.20.1
qemu-block-curl-2.11.2-9.20.1
qemu-block-iscsi-2.11.2-9.20.1
qemu-block-rbd-2.11.2-9.20.1
qemu-block-ssh-2.11.2-9.20.1
qemu-guest-agent-2.11.2-9.20.1
qemu-ipxe-1.0.0+-9.20.1
qemu-kvm-2.11.2-9.20.1
qemu-lang-2.11.2-9.20.1
qemu-ppc-2.11.2-9.20.1
qemu-s390-2.11.2-9.20.1
qemu-seabios-1.11.0-9.20.1
qemu-sgabios-8-9.20.1
qemu-vgabios-1.11.0-9.20.1
qemu-x86-2.11.2-9.20.1

Ссылки

Описание

A flaw was found in qemu Media Transfer Protocol (MTP). The code opening files in usb_mtp_get_object and usb_mtp_get_partial_object and directories in usb_mtp_object_readdir doesn't consider that the underlying filesystem may have changed since the time lstat(2) was called in usb_mtp_object_alloc, a classical TOCTTOU problem. An attacker with write access to the host filesystem shared with a guest can use this property to navigate the host filesystem in the context of the QEMU process and read any file the QEMU process has access to. Access to the filesystem may be local or via a network share protocol such as CIFS.

Затронутые продукты
Image SLES15-EC2-CHOST-HVM-BYOS:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Basesystem 15:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-arm-2.11.2-9.20.1
Ссылки

Описание

The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.

Затронутые продукты
Image SLES15-EC2-CHOST-HVM-BYOS:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Basesystem 15:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-arm-2.11.2-9.20.1
Ссылки

Описание

hw/9pfs/cofile.c and hw/9pfs/9p.c in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome.

Затронутые продукты
Image SLES15-EC2-CHOST-HVM-BYOS:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Basesystem 15:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-arm-2.11.2-9.20.1
Ссылки

Описание

v9fs_wstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service (crash) because of a race condition during file renaming.

Затронутые продукты
Image SLES15-EC2-CHOST-HVM-BYOS:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Basesystem 15:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-arm-2.11.2-9.20.1
Ссылки

Описание

In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a heap-based buffer overflow.

Затронутые продукты
Image SLES15-EC2-CHOST-HVM-BYOS:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Basesystem 15:qemu-tools-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-2.11.2-9.20.1
SUSE Linux Enterprise Module for Server Applications 15:qemu-arm-2.11.2-9.20.1
Ссылки
Уязвимость SUSE-SU-2019:0423-1