{"id":"CVE-2015-8554","aliases":["DEBIAN-CVE-2015-8554","DLA-479-1","EUVD-2015-8434","GHSA-jj32-x32m-v858","SUSE-SU-2016:0873-1","SUSE-SU-2016:0955-1","SUSE-SU-2016:1154-1","SUSE-SU-2016:1318-1","SUSE-SU-2016:1745-1","UBUNTU-CVE-2015-8554","openSUSE-SU-2024:10196-1"],"status":"published","title":"Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka...","description":"Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a \"write path.\"","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.004,"percentile":0.34476,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2016-03-24T08:10:03Z","modified":"2026-09-09T07:01:53Z","fixes":[{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.4.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.4.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.4.0-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"xen","fixed_in":["4.4.2-0ubuntu0.14.04.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.6.1-1+deb7u1"}]}],"versions":["4.1.4-3","4.1.4-3+deb7u1","4.1.4-3+deb7u2","4.1.4-3+deb7u3","4.1.4-3+deb7u4","4.1.4-3+deb7u5","4.1.4-3+deb7u6","4.1.4-3+deb7u7","4.1.4-3+deb7u8","4.1.4-3+deb7u9","4.1.4-4"],"bundled":19},{"source":"osv","ecosystem":"SUSE:Linux 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entries, related to a \"write path.\"","status":"published","published":"2016-04-14T14:59:05Z","modified":"2026-04-10T03:46:32.264296Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:01.068991Z"},{"id":"DEBIAN-CVE-2015-8554","description":"Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a \"write path.\"","status":"published","published":"2016-04-14T14:59:05.223Z","modified":"2026-09-09T07:01:53.600219141Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.04239Z"},{"id":"UBUNTU-CVE-2015-8554","description":"Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a \"write path.\"","status":"published","published":"2016-04-14T14:59:00Z","modified":"2026-04-22T10:21:34.901152Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:10.737723Z"},{"id":"DLA-479-1","title":"xen - security update","status":"published","published":"2016-05-18T00:00:00Z","modified":"2026-03-09T02:10:05.44722Z","updated_at":"2026-11-02T15:46:13.207219Z"},{"id":"openSUSE-SU-2024:10196-1","title":"xen-4.7.0_12-1.3 on GA media","description":"These are all security issues fixed in the xen-4.7.0_12-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:08:39.408456Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"SUSE-SU-2016:0873-1","title":"Security update for xen","description":"xen was updated to fix 44 security issues.\n\nThese security issues were fixed:\n- CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load function in hw/arm/pxa2xx.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via a crafted s-\u003erx_level value in a savevm image (bsc#864655).\n- CVE-2013-4534: Buffer overflow in hw/intc/openpic.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via vectors related to IRQDest elements (bsc#864811).\n- CVE-2013-4537: The ssi_sd_transfer function in hw/sd/ssi-sd.c allowed remote attackers to execute arbitrary code via a crafted arglen value in a savevm image (bsc#864391).\n- CVE-2013-4538: Multiple buffer overflows in the ssd0323_load function in hw/display/ssd0323.c allowed remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via crafted (1) cmd_len, (2) row, or (3) col values; (4) row_start and row_end values; or (5) col_star and col_end values in a savevm image (bsc#864769).\n- CVE-2013-4539: Multiple buffer overflows in the tsc210x_load function in hw/input/tsc210x.c might have allowed remote attackers to execute arbitrary code via a crafted (1) precision, (2) nextprecision, (3) function, or (4) nextfunction value in a savevm image (bsc#864805).\n- CVE-2014-0222: Integer overflow in the qcow_open function in block/qcow.c allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642).\n- CVE-2014-3640: The sosendto function in slirp/udp.c allowed local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket (bsc#897654).\n- CVE-2014-3689: The vmware-vga driver (hw/display/vmware_vga.c) allowed local guest users to write to qemu memory locations and gain privileges via unspecified parameters related to rectangle handling (bsc#901508).\n- CVE-2014-7815: The set_pixel_format function in ui/vnc.c allowed remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value (bsc#902737).\n- CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality had multiple interpretations of a function's return value, which allowed guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions (bsc#928393).\n- CVE-2015-1779: The VNC websocket frame decoder allowed remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section (bsc#924018).\n- CVE-2015-5278: Infinite loop in ne2000_receive() function (bsc#945989).\n- CVE-2015-6855: hw/ide/core.c did not properly restrict the commands accepted by an ATAPI device, which allowed guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash (bsc#945404).\n- CVE-2015-7512: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c, when a guest NIC has a larger MTU, allowed remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet (bsc#957162).\n- CVE-2015-7549: pci: NULL pointer dereference issue (bsc#958917).\n- CVE-2015-8345: eepro100: infinite loop in processing command block list (bsc#956829).\n- CVE-2015-8504: VNC: floating point exception (bsc#958491).\n- CVE-2015-8550: Paravirtualized drivers were incautious about shared memory contents (XSA-155) (bsc#957988).\n- CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling (XSA-164) (bsc#958007).\n- CVE-2015-8555: Information leak in legacy x86 FPU/XMM initialization (XSA-165) (bsc#958009).\n- CVE-2015-8558: Infinite loop in ehci_advance_state resulted in DoS (bsc#959005).\n- CVE-2015-8567: vmxnet3: host memory leakage (bsc#959387).\n- CVE-2015-8568: vmxnet3: host memory leakage (bsc#959387).\n- CVE-2015-8613: SCSI: stack based buffer overflow in megasas_ctrl_get_info (bsc#961358).\n- CVE-2015-8619: Stack based OOB write in hmp_sendkey routine (bsc#960334).\n- CVE-2015-8743: ne2000: OOB memory access in ioport r/w functions (bsc#960725).\n- CVE-2015-8744: vmxnet3: Incorrect l2 header validation lead to a crash via assert(2) call (bsc#960835).\n- CVE-2015-8745: Reading IMR registers lead to a crash via assert(2) call (bsc#960707).\n- CVE-2015-8817: OOB access in address_space_rw lead to segmentation fault (I) (bsc#969121).\n- CVE-2015-8818: OOB access in address_space_rw lead to segmentation fault (II) (bsc#969122).\n- CVE-2016-1568: AHCI use-after-free vulnerability in aio port commands (bsc#961332).\n- CVE-2016-1570: The PV superpage functionality in arch/x86/mm.c allowed local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates (bsc#960861).\n- CVE-2016-1571: VMX: intercept issue with INVLPG on non-canonical address (XSA-168) (bsc#960862).\n- CVE-2016-1714: nvram: OOB r/w access in processing firmware configurations (bsc#961691).\n- CVE-2016-1922: NULL pointer dereference in vapic_write() (bsc#962320).\n- CVE-2016-1981: e1000 infinite loop in start_xmit and e1000_receive_iov routines (bsc#963782).\n- CVE-2016-2198: EHCI NULL pointer dereference in ehci_caps_write (bsc#964413).\n- CVE-2016-2270: Xen allowed local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings (bsc#965315).\n- CVE-2016-2271: VMX when using an Intel or Cyrix CPU, allowed local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP (bsc#965317).\n- CVE-2016-2391: usb: multiple eof_timers in ohci module lead to NULL pointer dereference (bsc#967013).\n- CVE-2016-2392: NULL pointer dereference in remote NDIS control message handling (bsc#967012).\n- CVE-2016-2538: Integer overflow in remote NDIS control message handling (bsc#967969).\n- CVE-2016-2841: ne2000: Infinite loop in ne2000_receive (bsc#969350).\n- XSA-166: ioreq handling possibly susceptible to multiple read issue (bsc#958523).\n\nThese non-security issues were fixed:\n- bsc#954872: script block-dmmd not working as expected \n- bsc#957698: DOM0 can't bring up on Dell PC\n- bsc#963923: domain weights not honored when sched-credit tslice is reduced\n- bsc#959332: SLES12SP1 PV guest is unreachable when restored or migrated\n- bsc#959695: Missing docs for xen\n","status":"published","published":"2016-03-24T08:10:03Z","modified":"2025-05-02T04:03:59.176752Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2016:0955-1","title":"Security update for xen","description":"xen was updated to fix 47 security issues.\n\nThese security issues were fixed:\n- CVE-2013-4527: Buffer overflow in hw/timer/hpet.c might have allowed remote attackers to execute arbitrary code via vectors related to the number of timers (bnc#864673).\n- CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c allowed remote attackers to cause a denial of service and possibly execute arbitrary code via a large log_num value in a savevm image (bnc#864678).\n- CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via crafted tx_fifo_head and rx_fifo_head values in a savevm image (bnc#864682).\n- CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load function in hw/arm/pxa2xx.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via a crafted s-\u003erx_level value in a savevm image (bsc#864655).\n- CVE-2013-4534: Buffer overflow in hw/intc/openpic.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via vectors related to IRQDest elements (bsc#864811).\n- CVE-2013-4537: The ssi_sd_transfer function in hw/sd/ssi-sd.c allowed remote attackers to execute arbitrary code via a crafted arglen value in a savevm image (bsc#864391).\n- CVE-2013-4538: Multiple buffer overflows in the ssd0323_load function in hw/display/ssd0323.c allowed remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via crafted (1) cmd_len, (2) row, or (3) col values; (4) row_start and row_end values; or (5) col_star and col_end values in a savevm image (bsc#864769).\n- CVE-2013-4539: Multiple buffer overflows in the tsc210x_load function in hw/input/tsc210x.c might have allowed remote attackers to execute arbitrary code via a crafted (1) precision, (2) nextprecision, (3) function, or (4) nextfunction value in a savevm image (bsc#864805).\n- CVE-2014-0222: Integer overflow in the qcow_open function in block/qcow.c allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642).\n- CVE-2014-3640: The sosendto function in slirp/udp.c allowed local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket (bsc#897654).\n- CVE-2014-3689: The vmware-vga driver (hw/display/vmware_vga.c) allowed local guest users to write to qemu memory locations and gain privileges via unspecified parameters related to rectangle handling (bsc#901508).\n- CVE-2014-7815: The set_pixel_format function in ui/vnc.c allowed remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value (bsc#902737).\n- CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality had multiple interpretations of a function's return value, which allowed guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions (bsc#928393).\n- CVE-2015-1779: The VNC websocket frame decoder allowed remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section (bsc#924018).\n- CVE-2015-5278: Infinite loop in ne2000_receive() function (bsc#945989).\n- CVE-2015-6855: hw/ide/core.c did not properly restrict the commands accepted by an ATAPI device, which allowed guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash (bsc#945404).\n- CVE-2015-7512: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c, when a guest NIC has a larger MTU, allowed remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet (bsc#957162).\n- CVE-2015-7549: pci: NULL pointer dereference issue (bsc#958917).\n- CVE-2015-8345: eepro100: infinite loop in processing command block list (bsc#956829).\n- CVE-2015-8504: VNC: floating point exception (bsc#958491).\n- CVE-2015-8550: Paravirtualized drivers were incautious about shared memory contents (XSA-155) (bsc#957988).\n- CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling (XSA-164) (bsc#958007).\n- CVE-2015-8555: Information leak in legacy x86 FPU/XMM initialization (XSA-165) (bsc#958009).\n- CVE-2015-8558: Infinite loop in ehci_advance_state resulted in DoS (bsc#959005).\n- CVE-2015-8567: vmxnet3: host memory leakage (bsc#959387).\n- CVE-2015-8568: vmxnet3: host memory leakage (bsc#959387).\n- CVE-2015-8613: SCSI: stack based buffer overflow in megasas_ctrl_get_info (bsc#961358).\n- CVE-2015-8619: Stack based OOB write in hmp_sendkey routine (bsc#960334).\n- CVE-2015-8743: ne2000: OOB memory access in ioport r/w functions (bsc#960725).\n- CVE-2015-8744: vmxnet3: Incorrect l2 header validation lead to a crash via assert(2) call (bsc#960835).\n- CVE-2015-8745: Reading IMR registers lead to a crash via assert(2) call (bsc#960707).\n- CVE-2015-8817: OOB access in address_space_rw lead to segmentation fault (I) (bsc#969121).\n- CVE-2015-8818: OOB access in address_space_rw lead to segmentation fault (II) (bsc#969122).\n- CVE-2016-1568: AHCI use-after-free vulnerability in aio port commands (bsc#961332).\n- CVE-2016-1570: The PV superpage functionality in arch/x86/mm.c allowed local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates (bsc#960861).\n- CVE-2016-1571: VMX: intercept issue with INVLPG on non-canonical address (XSA-168) (bsc#960862).\n- CVE-2016-1714: nvram: OOB r/w access in processing firmware configurations (bsc#961691).\n- CVE-2016-1922: NULL pointer dereference in vapic_write() (bsc#962320).\n- CVE-2016-1981: e1000 infinite loop in start_xmit and e1000_receive_iov routines (bsc#963782).\n- CVE-2016-2198: EHCI NULL pointer dereference in ehci_caps_write (bsc#964413).\n- CVE-2016-2270: Xen allowed local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings (bsc#965315).\n- CVE-2016-2271: VMX when using an Intel or Cyrix CPU, allowed local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP (bsc#965317).\n- CVE-2016-2391: usb: multiple eof_timers in ohci module lead to NULL pointer dereference (bsc#967013).\n- CVE-2016-2392: NULL pointer dereference in remote NDIS control message handling (bsc#967012).\n- CVE-2016-2538: Integer overflow in remote NDIS control message handling (bsc#967969).\n- CVE-2016-2841: ne2000: Infinite loop in ne2000_receive (bsc#969350).\n- XSA-166: ioreq handling possibly susceptible to multiple read issue (bsc#958523).\n\nThese non-security issues were fixed:\n- bsc#954872: script block-dmmd not working as expected \n- bsc#963923: domain weights not honored when sched-credit tslice is reduced\n- bsc#959695: Missing docs for xen\n- bsc#967630: Discrepancy in reported memory size with correction XSA-153 for xend\n- bsc#959928: When DomU is in state running xm domstate returned nothing\n","status":"published","published":"2016-04-05T11:27:02Z","modified":"2026-02-04T03:02:38.951152Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"SUSE-SU-2016:1154-1","title":"Security update for xen","description":"xen was updated to fix 27 security issues.\n\nThese security issues were fixed:\n- CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load function in hw/arm/pxa2xx.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via a crafted s-\u003erx_level value in a savevm image (bsc#864655).\n- CVE-2013-4534: Buffer overflow in hw/intc/openpic.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via vectors related to IRQDest elements (bsc#864811).\n- CVE-2013-4537: The ssi_sd_transfer function in hw/sd/ssi-sd.c allowed remote attackers to execute arbitrary code via a crafted arglen value in a savevm image (bsc#864391).\n- CVE-2013-4538: Multiple buffer overflows in the ssd0323_load function in hw/display/ssd0323.c allowed remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via crafted (1) cmd_len, (2) row, or (3) col values; (4) row_start and row_end values; or (5) col_star and col_end values in a savevm image (bsc#864769).\n- CVE-2013-4539: Multiple buffer overflows in the tsc210x_load function in hw/input/tsc210x.c might have allowed remote attackers to execute arbitrary code via a crafted (1) precision, (2) nextprecision, (3) function, or (4) nextfunction value in a savevm image (bsc#864805).\n- CVE-2014-0222: Integer overflow in the qcow_open function in block/qcow.c allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642).\n- CVE-2014-3640: The sosendto function in slirp/udp.c allowed local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket (bsc#897654).\n- CVE-2014-3689: The vmware-vga driver (hw/display/vmware_vga.c) allowed local guest users to write to qemu memory locations and gain privileges via unspecified parameters related to rectangle handling (bsc#901508).\n- CVE-2014-7815: The set_pixel_format function in ui/vnc.c allowed remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value (bsc#902737).\n- CVE-2015-5278: Infinite loop in ne2000_receive() function (bsc#945989).\n- CVE-2015-7512: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c, when a guest NIC has a larger MTU, allowed remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet (bsc#957162).\n- CVE-2015-8504: VNC: floating point exception (bsc#958491).\n- CVE-2015-8550: Paravirtualized drivers were incautious about shared memory contents (XSA-155) (bsc#957988).\n- CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling (XSA-164) (bsc#958007).\n- CVE-2015-8555: Information leak in legacy x86 FPU/XMM initialization (XSA-165) (bsc#958009).\n- CVE-2015-8558: Infinite loop in ehci_advance_state resulted in DoS (bsc#959005).\n- CVE-2015-8743: ne2000: OOB memory access in ioport r/w functions (bsc#960725).\n- CVE-2015-8745: Reading IMR registers lead to a crash via assert(2) call (bsc#960707).\n- CVE-2016-1570: The PV superpage functionality in arch/x86/mm.c allowed local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates (bsc#960861).\n- CVE-2016-1571: VMX: intercept issue with INVLPG on non-canonical address (XSA-168) (bsc#960862).\n- CVE-2016-1714: nvram: OOB r/w access in processing firmware configurations (bsc#961691).\n- CVE-2016-1981: e1000 infinite loop in start_xmit and e1000_receive_iov routines (bsc#963782).\n- CVE-2016-2270: Xen allowed local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings (bsc#965315).\n- CVE-2016-2271: VMX when using an Intel or Cyrix CPU, allowed local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP (bsc#965317).\n- CVE-2016-2391: usb: multiple eof_timers in ohci module lead to NULL pointer dereference (bsc#967013).\n- CVE-2016-2841: ne2000: Infinite loop in ne2000_receive (bsc#969350).\n- XSA-166: ioreq handling possibly susceptible to multiple read issue (bsc#958523).\n\nThis non-security issue was fixed:\n- bsc#967630: Discrepancy in reported memory size with correction XSA-153 for xend\n","status":"published","published":"2016-04-26T10:49:46Z","modified":"2026-02-04T02:48:01.272314Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"SUSE-SU-2016:1318-1","title":"Security update for xen","description":"xen was updated to fix 46 security issues.\n\nThese security issues were fixed:\n- CVE-2013-4527: Buffer overflow in hw/timer/hpet.c might have allowed remote attackers to execute arbitrary code via vectors related to the number of timers (bsc#964746).\n- CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c allowed remote attackers to cause a denial of service and possibly execute arbitrary code via a large log_num value in a savevm image (bsc#964929).\n- CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via crafted tx_fifo_head and rx_fifo_head values in a savevm image (bsc#964950).\n- CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load function in hw/arm/pxa2xx.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via a crafted s-\u003erx_level value in a savevm image (bsc#964644).\n- CVE-2013-4534: Buffer overflow in hw/intc/openpic.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via vectors related to IRQDest elements (bsc#964452).\n- CVE-2013-4537: The ssi_sd_transfer function in hw/sd/ssi-sd.c allowed remote attackers to execute arbitrary code via a crafted arglen value in a savevm image (bsc#962642).\n- CVE-2013-4538: Multiple buffer overflows in the ssd0323_load function in hw/display/ssd0323.c allowed remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via crafted (1) cmd_len, (2) row, or (3) col values; (4) row_start and row_end values; or (5) col_star and col_end values in a savevm image (bsc#962335).\n- CVE-2013-4539: Multiple buffer overflows in the tsc210x_load function in hw/input/tsc210x.c might have allowed remote attackers to execute arbitrary code via a crafted (1) precision, (2) nextprecision, (3) function, or (4) nextfunction value in a savevm image (bsc#962758).\n- CVE-2014-0222: Integer overflow in the qcow_open function in block/qcow.c allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#964925).\n- CVE-2014-3640: The sosendto function in slirp/udp.c allowed local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket (bsc#965112).\n- CVE-2014-3689: The vmware-vga driver (hw/display/vmware_vga.c) allowed local guest users to write to qemu memory locations and gain privileges via unspecified parameters related to rectangle handling (bsc#962611).\n- CVE-2014-7815: The set_pixel_format function in ui/vnc.c allowed remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value (bsc#962627).\n- CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality had multiple interpretations of a function's return value, which allowed guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions (bsc#964431).\n- CVE-2015-1779: The VNC websocket frame decoder allowed remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section (bsc#962632).\n- CVE-2015-5278: Infinite loop in ne2000_receive() function (bsc#964947).\n- CVE-2015-6855: hw/ide/core.c did not properly restrict the commands accepted by an ATAPI device, which allowed guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash (bsc#965156).\n- CVE-2015-7512: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c, when a guest NIC has a larger MTU, allowed remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet (bsc#962360).\n- CVE-2015-7549: pci: NULL pointer dereference issue (bsc#958918).\n- CVE-2015-8345: eepro100: infinite loop in processing command block list (bsc#956832).\n- CVE-2015-8504: VNC: floating point exception (bsc#958493).\n- CVE-2015-8550: Paravirtualized drivers were incautious about shared memory contents (XSA-155) (bsc#957988).\n- CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling (XSA-164) (bsc#958007).\n- CVE-2015-8555: Information leak in legacy x86 FPU/XMM initialization (XSA-165) (bsc#958009).\n- CVE-2015-8558: Infinite loop in ehci_advance_state resulted in DoS (bsc#959006).\n- CVE-2015-8567: vmxnet3: host memory leakage (bsc#959387).\n- CVE-2015-8568: vmxnet3: host memory leakage (bsc#959387).\n- CVE-2015-8613: SCSI: stack based buffer overflow in megasas_ctrl_get_info (bsc#961358).\n- CVE-2015-8619: Stack based OOB write in hmp_sendkey routine (bsc#965269).\n- CVE-2015-8743: ne2000: OOB memory access in ioport r/w functions (bsc#960726).\n- CVE-2015-8744: vmxnet3: Incorrect l2 header validation lead to a crash via assert(2) call (bsc#960836).\n- CVE-2015-8745: Reading IMR registers lead to a crash via assert(2) call (bsc#960707).\n- CVE-2015-8817: OOB access in address_space_rw lead to segmentation fault (I) (bsc#969125).\n- CVE-2015-8818: OOB access in address_space_rw lead to segmentation fault (II) (bsc#969126).\n- CVE-2016-1568: AHCI use-after-free vulnerability in aio port commands (bsc#961332).\n- CVE-2016-1570: The PV superpage functionality in arch/x86/mm.c allowed local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates (bsc#960861).\n- CVE-2016-1571: VMX: intercept issue with INVLPG on non-canonical address (XSA-168) (bsc#960862).\n- CVE-2016-1714: nvram: OOB r/w access in processing firmware configurations (bsc#961692).\n- CVE-2016-1922: NULL pointer dereference in vapic_write() (bsc#962321).\n- CVE-2016-1981: e1000 infinite loop in start_xmit and e1000_receive_iov routines (bsc#963783).\n- CVE-2016-2198: EHCI NULL pointer dereference in ehci_caps_write (bsc#964415).\n- CVE-2016-2270: Xen allowed local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings (bsc#965315).\n- CVE-2016-2271: VMX when using an Intel or Cyrix CPU, allowed local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP (bsc#965317).\n- CVE-2016-2391: usb: multiple eof_timers in ohci module lead to NULL pointer dereference (bsc#967101).\n- CVE-2016-2392: NULL pointer dereference in remote NDIS control message handling (bsc#967090).\n- CVE-2016-2538: Integer overflow in remote NDIS control message handling (bsc#968004).\n- XSA-166: ioreq handling possibly susceptible to multiple read issue (bsc#958523).\n\nThese non-security issues were fixed:\n- bsc#954872: script block-dmmd not working as expected \n- bsc#963923: domain weights not honored when sched-credit tslice is reduced\n- bsc#959695: Missing docs for xen\n","status":"published","published":"2016-05-17T12:09:35Z","modified":"2026-02-04T04:06:44.76944Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"SUSE-SU-2016:1745-1","title":"Security update for xen","description":"xen was updated to fix 36 security issues.\n\nThese security issues were fixed:\n- CVE-2013-4527: Buffer overflow in hw/timer/hpet.c might have allowed remote attackers to execute arbitrary code via vectors related to the number of timers (bnc#864673).\n- CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c allowed remote attackers to cause a denial of service and possibly execute arbitrary code via a large log_num value in a savevm image (bnc#864678).\n- CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via crafted tx_fifo_head and rx_fifo_head values in a savevm image (bnc#864682).\n- CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load function in hw/arm/pxa2xx.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via a crafted s-\u003erx_level value in a savevm image (bsc#864655).\n- CVE-2013-4534: Buffer overflow in hw/intc/openpic.c allowed remote attackers to cause a denial of service or possibly execute arbitrary code via vectors related to IRQDest elements (bsc#864811).\n- CVE-2013-4537: The ssi_sd_transfer function in hw/sd/ssi-sd.c allowed remote attackers to execute arbitrary code via a crafted arglen value in a savevm image (bsc#864391).\n- CVE-2013-4538: Multiple buffer overflows in the ssd0323_load function in hw/display/ssd0323.c allowed remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via crafted (1) cmd_len, (2) row, or (3) col values; (4) row_start and row_end values; or (5) col_star and col_end values in a savevm image (bsc#864769).\n- CVE-2013-4539: Multiple buffer overflows in the tsc210x_load function in hw/input/tsc210x.c might have allowed remote attackers to execute arbitrary code via a crafted (1) precision, (2) nextprecision, (3) function, or (4) nextfunction value in a savevm image (bsc#864805).\n- CVE-2014-0222: Integer overflow in the qcow_open function in block/qcow.c allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642).\n- CVE-2014-3640: The sosendto function in slirp/udp.c allowed local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket (bsc#897654).\n- CVE-2014-3689: The vmware-vga driver (hw/display/vmware_vga.c) allowed local guest users to write to qemu memory locations and gain privileges via unspecified parameters related to rectangle handling (bsc#901508).\n- CVE-2014-7815: The set_pixel_format function in ui/vnc.c allowed remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value (bsc#902737).\n- CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality had multiple interpretations of a function's return value, which allowed guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions (bsc#928393).\n- CVE-2015-5278: Infinite loop in ne2000_receive() function (bsc#945989).\n- CVE-2015-6855: hw/ide/core.c did not properly restrict the commands accepted by an ATAPI device, which allowed guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash (bsc#945404).\n- CVE-2015-7512: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c, when a guest NIC has a larger MTU, allowed remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet (bsc#957162).\n- CVE-2015-8345: eepro100: infinite loop in processing command block list (bsc#956829).\n- CVE-2015-8504: VNC: floating point exception (bsc#958491).\n- CVE-2015-8550: Paravirtualized drivers were incautious about shared memory contents (XSA-155) (bsc#957988).\n- CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling (XSA-164) (bsc#958007).\n- CVE-2015-8555: Information leak in legacy x86 FPU/XMM initialization (XSA-165) (bsc#958009).\n- CVE-2015-8558: Infinite loop in ehci_advance_state resulted in DoS (bsc#959005).\n- CVE-2015-8743: ne2000: OOB memory access in ioport r/w functions (bsc#960725).\n- CVE-2015-8745: Reading IMR registers lead to a crash via assert(2) call (bsc#960707).\n- CVE-2016-1568: AHCI use-after-free vulnerability in aio port commands (bsc#961332).\n- CVE-2016-1570: The PV superpage functionality in arch/x86/mm.c allowed local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates (bsc#960861).\n- CVE-2016-1571: VMX: intercept issue with INVLPG on non-canonical address (XSA-168) (bsc#960862).\n- CVE-2016-1714: nvram: OOB r/w access in processing firmware configurations (bsc#961691).\n- CVE-2016-1981: e1000 infinite loop in start_xmit and e1000_receive_iov routines (bsc#963782).\n- CVE-2016-2270: Xen allowed local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings (bsc#965315).\n- CVE-2016-2271: VMX when using an Intel or Cyrix CPU, allowed local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP (bsc#965317).\n- CVE-2016-2391: usb: multiple eof_timers in ohci module lead to NULL pointer dereference (bsc#967013).\n- CVE-2016-2392: NULL pointer dereference in remote NDIS control message handling (bsc#967012).\n- CVE-2016-2538: Integer overflow in remote NDIS control message handling (bsc#967969).\n- CVE-2016-2841: ne2000: Infinite loop in ne2000_receive (bsc#969350).\n- XSA-166: ioreq handling possibly susceptible to multiple read issue (bsc#958523).\n\nThese non-security issues were fixed:\n- bsc#954872: script block-dmmd not working as expected \n- bsc#959695: Missing docs for xen\n- bsc#967630: Discrepancy in reported memory size with correction XSA-153 for xend\n- bsc#959928: When DomU is in state running xm domstate returned nothing\n","status":"published","published":"2016-07-06T05:46:30Z","modified":"2025-05-02T04:03:59.114846Z","updated_at":"2026-11-02T15:53:43.438985Z"}]}}