Описание
Security update for xen
This update fixes the following security issues:
-
bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100: infinite loop in processing command block list
-
Revert x86/IO-APIC: don't create pIRQ mapping from masked RTE until kernel maintenance release goes out.
-
bsc#956592 - xen: virtual PMU is unsupported (XSA-163)
-
bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error handling issues (XSA-159)
-
bsc#956409 - CVE-2015-8341: xen: libxl leak of pv kernel and initrd on error (XSA-160)
-
bsc#956411 - CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162)
-
bsc#947165 - CVE-2015-7311: xen: libxl fails to honour readonly flag on disks with qemu-xen (xsa-142)
-
bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception
-
bsc#954018 - CVE-2015-5307: xen: x86: CPU lockup during fault delivery (XSA-156)
Список пакетов
SUSE Linux Enterprise Desktop 12 SP1
SUSE Linux Enterprise Server 12 SP1
SUSE Linux Enterprise Server for SAP Applications 12 SP1
SUSE Linux Enterprise Software Development Kit 12 SP1
Ссылки
- Link for SUSE-SU-2015:2324-1
- E-Mail link for SUSE-SU-2015:2324-1
- SUSE Security Ratings
- SUSE Bug 947165
- SUSE Bug 954018
- SUSE Bug 954405
- SUSE Bug 956408
- SUSE Bug 956409
- SUSE Bug 956411
- SUSE Bug 956592
- SUSE Bug 956832
- SUSE CVE CVE-2015-3259 page
- SUSE CVE CVE-2015-4106 page
- SUSE CVE CVE-2015-5154 page
- SUSE CVE CVE-2015-5239 page
- SUSE CVE CVE-2015-5307 page
- SUSE CVE CVE-2015-6815 page
- SUSE CVE CVE-2015-7311 page
- SUSE CVE CVE-2015-7504 page
- SUSE CVE CVE-2015-7835 page
Описание
Stack-based buffer overflow in the xl command line utility in Xen 4.1.x through 4.5.x allows local guest administrators to gain privileges via a long configuration argument.
Затронутые продукты
Ссылки
- CVE-2015-3259
- SUSE Bug 935634
- SUSE Bug 936281
- SUSE Bug 937018
- SUSE Bug 950367
Описание
QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host crash), obtain sensitive information, or possibly have other unspecified impact via unknown vectors.
Затронутые продукты
Ссылки
- CVE-2015-4106
- SUSE Bug 931628
Описание
Heap-based buffer overflow in the IDE subsystem in QEMU, as used in Xen 4.5.x and earlier, when the container has a CDROM drive enabled, allows local guest users to execute arbitrary code on the host via unspecified ATAPI commands.
Затронутые продукты
Ссылки
- CVE-2015-5154
- SUSE Bug 938344
- SUSE Bug 950367
Описание
Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop.
Затронутые продукты
Ссылки
- CVE-2015-5239
- SUSE Bug 944463
- SUSE Bug 950367
Описание
The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.
Затронутые продукты
Ссылки
- CVE-2015-5307
- SUSE Bug 953527
- SUSE Bug 954018
- SUSE Bug 954404
- SUSE Bug 954405
- SUSE Bug 962977
Описание
The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.
Затронутые продукты
Ссылки
- CVE-2015-6815
- SUSE Bug 944697
- SUSE Bug 950367
Описание
libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.
Затронутые продукты
Ссылки
- CVE-2015-7311
- SUSE Bug 947165
- SUSE Bug 950367
Описание
Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.
Затронутые продукты
Ссылки
- CVE-2015-7504
- SUSE Bug 956411
Описание
The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.
Затронутые продукты
Ссылки
- CVE-2015-7835
- SUSE Bug 940929
- SUSE Bug 947159
- SUSE Bug 950367
Описание
The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #DB (aka Debug) exceptions, related to svm.c.
Затронутые продукты
Ссылки
- CVE-2015-8104
- SUSE Bug 1215748
- SUSE Bug 953527
- SUSE Bug 954018
- SUSE Bug 954404
- SUSE Bug 954405
- SUSE Bug 962977
Описание
The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly hand back pages to a domain, which might allow guest OS administrators to cause a denial of service (host crash) via unspecified vectors related to domain teardown.
Затронутые продукты
Ссылки
- CVE-2015-8339
- SUSE Bug 956408
Описание
The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.
Затронутые продукты
Ссылки
- CVE-2015-8340
- SUSE Bug 956408
Описание
The libxl toolstack library in Xen 4.1.x through 4.6.x does not properly release mappings of files used as kernels and initial ramdisks when managing multiple domains in the same process, which allows attackers to cause a denial of service (memory and disk consumption) by starting domains.
Затронутые продукты
Ссылки
- CVE-2015-8341
- SUSE Bug 956409
Описание
The eepro100 emulator in QEMU qemu-kvm blank allows local guest users to cause a denial of service (application crash and infinite loop) via vectors involving the command block list.
Затронутые продукты
Ссылки
- CVE-2015-8345
- SUSE Bug 956829
- SUSE Bug 956832