{"id":"CVE-2015-5239","aliases":["DEBIAN-CVE-2015-5239","DLA-573-1","DLA-574-1","EUVD-2015-5234","GHSA-9mm7-7f84-98c9","MGASA-2015-0368","SUSE-SU-2015:1853-1","SUSE-SU-2015:1894-1","SUSE-SU-2015:1908-1","SUSE-SU-2015:1952-1","SUSE-SU-2015:2324-1","SUSE-SU-2016:1560-1","SUSE-SU-2016:1698-1","SUSE-SU-2016:1785-1","UBUNTU-CVE-2015-5239","USN-2745-1","openSUSE-SU-2024:10196-1"],"status":"published","title":"Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a...","description":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0361,"percentile":0.89561,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-835"],"published":"2015-09-03T00:00:00Z","modified":"2026-09-09T07:01:02Z","fixes":[{"ecosystem":"Debian:12","package":"qemu","fixed_in":["2.1+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"qemu","fixed_in":["2.1+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"qemu","fixed_in":["2.1+dfsg-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"qemu","fixed_in":["2.0.0+dfsg-2ubuntu1.19"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.2+dfsg-6+deb7u14"}]}],"versions":["1.1.2+dfsg-6a","1.1.2+dfsg-6a+deb7u1","1.1.2+dfsg-6a+deb7u10","1.1.2+dfsg-6a+deb7u11","1.1.2+dfsg-6a+deb7u12","1.1.2+dfsg-6a+deb7u13","1.1.2+dfsg-6a+deb7u2","1.1.2+dfsg-6a+deb7u3","1.1.2+dfsg-6a+deb7u4","1.1.2+dfsg-6a+deb7u5","1.1.2+dfsg-6a+deb7u6","1.1.2+dfsg-6a+deb7u7","1.1.2+dfsg-6a+deb7u7~bpo60+1","1.1.2+dfsg-6a+deb7u8","1.1.2+dfsg-6a+deb7u9"],"bundled":6},{"source":"osv","ecosystem":"Debian:7","package":"qemu-kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.2+dfsg-6+deb7u14"}]}],"versions":["1.1.2+dfsg-6","1.1.2+dfsg-6+deb7u1","1.1.2+dfsg-6+deb7u10","1.1.2+dfsg-6+deb7u11","1.1.2+dfsg-6+deb7u12","1.1.2+dfsg-6+deb7u13","1.1.2+dfsg-6+deb7u2","1.1.2+dfsg-6+deb7u3","1.1.2+dfsg-6+deb7u4","1.1.2+dfsg-6+deb7u5","1.1.2+dfsg-6+deb7u6","1.1.2+dfsg-6+deb7u7","1.1.2+dfsg-6+deb7u7~bpo60+1","1.1.2+dfsg-6+deb7u8","1.1.2+dfsg-6+deb7u9"],"bundled":6},{"source":"osv","ecosystem":"Mageia:4","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.2-1.16.mga4"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux 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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.","status":"published","published":"2020-01-23T19:52:32Z","modified":"2024-08-06T06:41:08.706Z","updated_at":"2026-11-02T14:35:40.217028Z"}],"euvd":[{"id":"EUVD-2015-5234","description":"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.","status":"published","published":"2020-01-23T19:52:32Z","modified":"2024-08-06T06:41:08Z","updated_at":"2026-11-03T02:22:00.863884Z"}],"ghsa":[{"id":"GHSA-9mm7-7f84-98c9","title":"Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a...","description":"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.","status":"published","published":"2022-05-24T17:07:09Z","modified":"2023-01-30T05:05:54Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:47:22.953418Z"}],"nvd":[{"id":"CVE-2015-5239","description":"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.","status":"published","published":"2020-01-23T20:15:11.887Z","modified":"2026-06-17T00:28:44.24Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:03:19.73542Z"}],"osv":[{"id":"CVE-2015-5239","description":"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.","status":"published","published":"2020-01-23T20:15:11Z","modified":"2026-04-16T06:19:23.531838266Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-5239","description":"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.","status":"published","published":"2020-01-23T20:15:11.887Z","modified":"2026-09-09T07:01:02.487239635Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:26.752992Z"},{"id":"UBUNTU-CVE-2015-5239","description":"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.","status":"published","published":"2015-09-03T00:00:00Z","modified":"2026-02-04T04:10:59.129862Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:10.385269Z"},{"id":"DLA-573-1","title":"qemu - security update","status":"published","published":"2016-07-30T00:00:00Z","modified":"2026-03-09T02:09:42.830485Z","updated_at":"2026-11-02T15:46:13.207219Z"},{"id":"DLA-574-1","title":"qemu-kvm - security update","status":"published","published":"2016-07-30T00:00:00Z","modified":"2026-03-09T02:10:31.838961Z","updated_at":"2026-11-02T15:46:13.207219Z"},{"id":"MGASA-2015-0368","title":"Updated qemu packages fix security vulnerabilities","description":"Updated qemu packages fix security vulnerabilities:\n\nQemu emulator built with the RTL8139 emulation support is vulnerable to an\ninformation leakage flaw. It could occur while processing network packets\nunder RTL8139 controller's C+ mode of operation. A guest user could use this\nflaw to read uninitialised Qemu heap memory up to 65K bytes (CVE-2015-5165).\n\nQemu emulator built with the VNC display driver is vulnerable to an infinite\nloop issue. It could occur while processing a CLIENT_CUT_TEXT message with\nspecially crafted payload message. A privileged guest user could use this flaw\nto crash the Qemu process on the host, resulting in DoS (CVE-2015-5239).\n\nQemu emulator built with the e1000 NIC emulation support is vulnerable to an\ninfinite loop issue. It could occur while processing transmit descriptor data\nwhen sending a network packet. A privileged user inside guest could use this\nflaw to crash the Qemu instance resulting in DoS (CVE-2015-6815).\n\nQemu emulator built with the IDE disk and CD/DVD-ROM emulation support is\nvulnerable to a divide by zero issue. It could occur while executing an IDE\ncommand WIN_READ_NATIVE_MAX to determine the maximum size of a drive. A\nprivileged user inside guest could use this flaw to crash the Qemu instance\nresulting in DoS (CVE-2015-6855).\n","status":"published","published":"2015-09-15T14:55:06Z","modified":"2026-04-16T06:23:57.708736086Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"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-2015:1853-1","title":"Security update for xen","description":"xen was updated to fix nine security issues.\n\nThese security issues were fixed:\n- CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267).\n- CVE-2014-0222: Integer overflow in the qcow_open function 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-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367).\n- CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697).\n- CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703).\n- CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705).\n- CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).\n\nThese non-security issues were fixed:\n- bsc#907514: Bus fatal error: SLES 12 sudden reboot has been observed\n- bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC\n- bsc#918984: Bus fatal error: SLES11-SP4 sudden reboot has been observed\n- bsc#923967: Partner-L3: Bus fatal error: SLES11-SP3 sudden reboot has been observed\n- bsc#941074: Device 51728 could not be connected. Hotplug scripts not working\n","status":"published","published":"2015-10-29T16:37:05Z","modified":"2026-02-04T02:39:12.647981Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2015:1894-1","title":"Security update for xen","description":"xen was updated to version 4.4.3 to fix nine security issues.\n\nThese security issues were fixed:\n- CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267).\n- CVE-2014-0222: Integer overflow in the qcow_open function 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-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367).\n- CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697).\n- CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703).\n- CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705).\n- CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).\n\nThese non-security issues were fixed:\n- bsc#907514: Bus fatal error: SLES 12 sudden reboot has been observed\n- bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC\n- bsc#918984: Bus fatal error: SLES11-SP4 sudden reboot has been observed\n- bsc#923967: Partner-L3: Bus fatal error: SLES11-SP3 sudden reboot has been observed\n- bnc#901488: Intel ixgbe driver assigns rx/tx queues per core resulting in irq problems on servers with a large amount of CPU cores\n- bsc#945167: Running command: xl pci-assignable-add 03:10.1 secondly show errors\n- bsc#949138: Setting vcpu affinity under Xen causes libvirtd abort\n- bsc#949549: xm create hangs when maxmen value is enclosed in quotes\n","status":"published","published":"2015-10-29T16:40:59Z","modified":"2026-02-04T03:28:52.772511Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2015:1908-1","title":"Security update for xen","description":"xen was updated to version 4.4.3 to fix nine security issues.\n\nThese security issues were fixed:\n- CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267).\n- CVE-2014-0222: Integer overflow in the qcow_open function 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-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367).\n- CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697).\n- CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703).\n- CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705).\n- CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).\n\nThese non-security issues were fixed:\n- bsc#907514: Bus fatal error: SLES 12 sudden reboot has been observed\n- bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC\n- bsc#918984: Bus fatal error: SLES11-SP4 sudden reboot has been observed\n- bsc#923967: Partner-L3: Bus fatal error: SLES11-SP3 sudden reboot has been observed\n- bnc#901488: Intel ixgbe driver assigns rx/tx queues per core resulting in irq problems on servers with a large amount of CPU cores\n- bsc#945167: Running command: xl pci-assignable-add 03:10.1 secondly show errors\n- bsc#949138: Setting vcpu affinity under Xen causes libvirtd abort\n","status":"published","published":"2015-10-29T16:40:54Z","modified":"2026-02-04T02:18:33.552295Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2015:1952-1","title":"Security update for xen","description":"xen was updated to fix eight security issues.\n\nThese security issues were fixed:\n- CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267).\n- CVE-2014-0222: Integer overflow in the qcow_open function 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-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697).\n- CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703).\n- CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705).\n- CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).\n","status":"published","published":"2015-10-29T16:04:44Z","modified":"2026-02-04T04:13:37.011328Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2015:2324-1","title":"Security update for xen","description":"\n\nThis update fixes the following security issues:\n\n- bsc#956832 -  CVE-2015-8345: xen: qemu: net: eepro100: infinite loop in processing command block list\n\n- Revert x86/IO-APIC: don't create pIRQ mapping from masked RTE until kernel maintenance release goes out.\n\n- bsc#956592 -  xen: virtual PMU is unsupported (XSA-163)\n\n- bsc#956408 -  CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error handling issues (XSA-159)\n\n- bsc#956409 -  CVE-2015-8341: xen: libxl leak of pv kernel and initrd on error (XSA-160)\n\n- bsc#956411 -  CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162)\n\n- bsc#947165 -  CVE-2015-7311: xen: libxl fails to honour readonly flag on disks with qemu-xen (xsa-142)\n\n- bsc#954405 -  CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception\n\n- bsc#954018 -  CVE-2015-5307: xen: x86: CPU lockup during fault delivery (XSA-156)\n","status":"published","published":"2015-12-19T11:25:39Z","modified":"2026-02-04T03:46:38.891811Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2016:1560-1","title":"Security update for qemu","description":"qemu was updated to fix 37 security issues.\n\nThese security issues were fixed:\n- CVE-2016-4439: Avoid OOB access in 53C9X emulation (bsc#980711)\n- CVE-2016-4441: Avoid OOB access in 53C9X emulation (bsc#980723)\n- CVE-2016-4952: Avoid OOB access in Vmware PV SCSI emulation (bsc#981266)\n- CVE-2015-8817: Avoid OOB access in PCI DMA I/O (bsc#969121)\n- CVE-2015-8818: Avoid OOB access in PCI DMA I/O (bsc#969122)\n- CVE-2016-3710: Fixed VGA emulation based OOB access with potential for guest escape (bsc#978158)\n- CVE-2016-3712: Fixed VGa emulation based DOS and OOB read access exploit (bsc#978160)\n- CVE-2016-4037: Fixed USB ehci based DOS (bsc#976109)\n- CVE-2016-2538: Fixed potential OOB access in USB net device emulation (bsc#967969)\n- CVE-2016-2841: Fixed OOB access / hang in ne2000 emulation (bsc#969350)\n- CVE-2016-2858: Avoid potential DOS when using QEMU pseudo random number generator (bsc#970036)\n- CVE-2016-2857: Fixed OOB access when processing IP checksums (bsc#970037)\n- CVE-2016-4001: Fixed OOB access in Stellaris enet emulated nic (bsc#975128)\n- CVE-2016-4002: Fixed OOB access in MIPSnet emulated controller (bsc#975136)\n- CVE-2016-4020: Fixed possible host data leakage to guest from TPR access (bsc#975700)\n- CVE-2015-3214: Fixed OOB read in i8254 PIC (bsc#934069)\n- CVE-2014-9718: Fixed the handling of malformed or short ide PRDTs to avoid any opportunity for guest to cause DoS by abusing that interface (bsc#928393)\n- CVE-2014-3689: Fixed insufficient parameter validation in rectangle functions (bsc#901508)\n- CVE-2014-3615: The VGA emulator in QEMU allowed local guest users to read host memory by setting the display to a high resolution (bsc#895528).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-5745: Buffer overflow in virtio-serial (bsc#940929).\n- CVE-2015-7295: hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allowed remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface (bsc#947159).\n- CVE-2015-7549: PCI null pointer dereferences (bsc#958917).\n- CVE-2015-8504: VNC floating point exception (bsc#958491).\n- CVE-2015-8558: Infinite loop in ehci_advance_state resulting in DoS (bsc#959005).\n- CVE-2015-8567: A guest repeatedly activating a vmxnet3 device can leak host memory (bsc#959386).\n- CVE-2015-8568: A guest repeatedly activating a vmxnet3 device can leak host memory (bsc#959386).\n- CVE-2015-8613: Wrong sized memset in megasas command handler (bsc#961358).\n- CVE-2015-8619: Potential DoS for long HMP sendkey command argument (bsc#960334).\n- CVE-2015-8743: OOB memory access in ne2000 ioport r/w functions (bsc#960725).\n- CVE-2015-8744: Incorrect l2 header validation could have lead to a crash via assert(2) call (bsc#960835).\n- CVE-2015-8745: Reading IMR registers could have lead to a crash via assert(2) call (bsc#960708).\n- CVE-2016-1568: AHCI use-after-free in aio port commands (bsc#961332).\n- CVE-2016-1714: Potential OOB memory access in processing firmware configuration (bsc#961691).\n- CVE-2016-1922: NULL pointer dereference when processing hmp i/o command (bsc#962320).\n- CVE-2016-1981: Potential DoS (infinite loop) in e1000 device emulation by malicious privileged user within guest (bsc#963782).\n- CVE-2016-2198: Malicious privileged guest user were able to cause DoS by writing to read-only EHCI capabilities registers (bsc#964413).\n\nThis non-security issue was fixed\n- bsc#886378: qemu truncates vhd images in virt-rescue\n","status":"published","published":"2016-06-13T07:13:18Z","modified":"2026-02-04T03:44:42.289772Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"SUSE-SU-2016:1698-1","title":"Security update for kvm","description":"kvm was updated to fix 33 security issues.\n\nThese security issues were fixed:\n- CVE-2016-4439: Avoid OOB access in 53C9X emulation (bsc#980711)\n- CVE-2016-4441: Avoid OOB access in 53C9X emulation (bsc#980723)\n- CVE-2016-3710: Fixed VGA emulation based OOB access with potential for guest escape (bsc#978158)\n- CVE-2016-3712: Fixed VGa emulation based DOS and OOB read access exploit (bsc#978160)\n- CVE-2016-4037: Fixed USB ehci based DOS (bsc#976109) \n- CVE-2016-2538: Fixed potential OOB access in USB net device emulation (bsc#967969)\n- CVE-2016-2841: Fixed OOB access / hang in ne2000 emulation (bsc#969350)\n- CVE-2016-2858: Avoid potential DOS when using QEMU pseudo random number generator (bsc#970036)\n- CVE-2016-2857: Fixed OOB access when processing IP checksums (bsc#970037)\n- CVE-2016-4001: Fixed OOB access in Stellaris enet emulated nic (bsc#975128)\n- CVE-2016-4002: Fixed OOB access in MIPSnet emulated controller (bsc#975136)\n- CVE-2016-4020: Fixed possible host data leakage to guest from TPR access (bsc#975700)\n- CVE-2015-3214: Fixed OOB read in i8254 PIC (bsc#934069)\n- CVE-2014-9718: Fixed the handling of malformed or short ide PRDTs to avoid any opportunity for guest to cause DoS by abusing that interface (bsc#928393)\n- CVE-2014-3689: Fixed insufficient parameter validation in rectangle functions (bsc#901508)\n- CVE-2014-3615: The VGA emulator in QEMU allowed local guest users to read host memory by setting the display to a high resolution (bsc#895528).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-5278: Infinite loop in ne2000_receive() function (bsc#945989).\n- CVE-2015-5279: Heap-based buffer overflow in the ne2000_receive function in hw/net/ne2000.c in QEMU allowed guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via vectors related to receiving packets (bsc#945987).\n- CVE-2015-5745: Buffer overflow in virtio-serial (bsc#940929).\n- CVE-2015-6855: hw/ide/core.c in QEMU 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-2015-7295: hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allowed remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface (bsc#947159).\n- CVE-2015-7549: PCI null pointer dereferences (bsc#958917).\n- CVE-2015-8504: VNC floating point exception (bsc#958491).\n- CVE-2015-8558: Infinite loop in ehci_advance_state resulting in DoS (bsc#959005).\n- CVE-2015-8613: Wrong sized memset in megasas command handler (bsc#961358).\n- CVE-2015-8619: Potential DoS for long HMP sendkey command argument (bsc#960334).\n- CVE-2015-8743: OOB memory access in ne2000 ioport r/w functions (bsc#960725).\n- CVE-2016-1568: AHCI use-after-free in aio port commands (bsc#961332).\n- CVE-2016-1714: Potential OOB memory access in processing firmware configuration (bsc#961691).\n- CVE-2016-1922: NULL pointer dereference when processing hmp i/o command (bsc#962320).\n- CVE-2016-1981: Potential DoS (infinite loop) in e1000 device emulation by malicious privileged user within guest (bsc#963782).\n- CVE-2016-2198: Malicious privileged guest user were able to cause DoS by writing to read-only EHCI capabilities registers (bsc#964413).\n\nThis non-security issue was fixed:\n- Fix case of IDE interface needing busy status set before flush (bsc#936132)\n","status":"published","published":"2016-06-28T14:31:01Z","modified":"2026-02-04T03:07:16.951102Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"SUSE-SU-2016:1785-1","title":"Security update for kvm","description":"kvm was updated to fix 33 security issues.\n\nThese security issues were fixed:\n- CVE-2016-4439: Avoid OOB access in 53C9X emulation (bsc#980711)\n- CVE-2016-4441: Avoid OOB access in 53C9X emulation (bsc#980723)\n- CVE-2016-3710: Fixed VGA emulation based OOB access with potential for guest escape (bsc#978158)\n- CVE-2016-3712: Fixed VGa emulation based DOS and OOB read access exploit (bsc#978160)\n- CVE-2016-4037: Fixed USB ehci based DOS (bsc#976109)\n- CVE-2016-2538: Fixed potential OOB access in USB net device emulation (bsc#967969)\n- CVE-2016-2841: Fixed OOB access / hang in ne2000 emulation (bsc#969350)\n- CVE-2016-2858: Avoid potential DOS when using QEMU pseudo random number generator (bsc#970036)\n- CVE-2016-2857: Fixed OOB access when processing IP checksums (bsc#970037)\n- CVE-2016-4001: Fixed OOB access in Stellaris enet emulated nic (bsc#975128)\n- CVE-2016-4002: Fixed OOB access in MIPSnet emulated controller (bsc#975136)\n- CVE-2016-4020: Fixed possible host data leakage to guest from TPR access (bsc#975700)\n- CVE-2015-3214: Fixed OOB read in i8254 PIC (bsc#934069)\n- CVE-2014-9718: Fixed the handling of malformed or short ide PRDTs to avoid any opportunity for guest to cause DoS by abusing that interface (bsc#928393)\n- CVE-2014-3689: Fixed insufficient parameter validation in rectangle functions (bsc#901508)\n- CVE-2014-3615: The VGA emulator in QEMU allowed local guest users to read host memory by setting the display to a high resolution (bsc#895528).\n- CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463).\n- CVE-2015-5278: Infinite loop in ne2000_receive() function (bsc#945989).\n- CVE-2015-5279: Heap-based buffer overflow in the ne2000_receive function in hw/net/ne2000.c in QEMU allowed guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via vectors related to receiving packets (bsc#945987).\n- CVE-2015-5745: Buffer overflow in virtio-serial (bsc#940929).\n- CVE-2015-6855: hw/ide/core.c in QEMU 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-2015-7295: hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allowed remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface (bsc#947159).\n- CVE-2015-7549: PCI null pointer dereferences (bsc#958917).\n- CVE-2015-8504: VNC floating point exception (bsc#958491).\n- CVE-2015-8558: Infinite loop in ehci_advance_state resulting in DoS (bsc#959005).\n- CVE-2015-8613: Wrong sized memset in megasas command handler (bsc#961358).\n- CVE-2015-8619: Potential DoS for long HMP sendkey command argument (bsc#960334).\n- CVE-2015-8743: OOB memory access in ne2000 ioport r/w functions (bsc#960725).\n- CVE-2016-1568: AHCI use-after-free in aio port commands (bsc#961332).\n- CVE-2016-1714: Potential OOB memory access in processing firmware configuration (bsc#961691).\n- CVE-2016-1922: NULL pointer dereference when processing hmp i/o command (bsc#962320).\n- CVE-2016-1981: Potential DoS (infinite loop) in e1000 device emulation by malicious privileged user within guest (bsc#963782).\n- CVE-2016-2198: Malicious privileged guest user were able to cause DoS by writing to read-only EHCI capabilities registers (bsc#964413).\n\nThis non-security issue was fixed:\n- Fix case of IDE interface needing busy status set before flush (bsc#936132)\n","status":"published","published":"2016-07-11T11:31:17Z","modified":"2026-02-04T04:04:29.51983Z","updated_at":"2026-11-02T15:53:43.438985Z"},{"id":"USN-2745-1","title":"qemu, qemu-kvm vulnerabilities","description":"Lian Yihan discovered that QEMU incorrectly handled certain payload\nmessages in the VNC display driver. A malicious guest could use this issue\nto cause the QEMU process to hang, resulting in a denial of service. This\nissue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-5239)\n\nQinghao Tang discovered that QEMU incorrectly handled receiving certain\npackets in the NE2000 network driver. A malicious guest could use this\nissue to cause the QEMU process to hang, resulting in a denial of service.\n(CVE-2015-5278)\n\nQinghao Tang discovered that QEMU incorrectly handled receiving certain\npackets in the NE2000 network driver. A malicious guest could use this\nissue to cause a denial of service, or possibly execute arbitrary code on\nthe host as the user running the QEMU process. In the default installation,\nwhen QEMU is used with libvirt, attackers would be isolated by the libvirt\nAppArmor profile. (CVE-2015-5279)\n\nQinghao Tang discovered that QEMU incorrectly handled transmit descriptor\ndata when sending network packets. A malicious guest could use this issue\nto cause the QEMU process to hang, resulting in a denial of service.\n(CVE-2015-6815)\n\nQinghao Tang discovered that QEMU incorrectly handled ATAPI command\npermissions. A malicious guest could use this issue to cause the QEMU\nprocess to crash, resulting in a denial of service. (CVE-2015-6855)\n","status":"published","published":"2015-09-24T18:37:21Z","modified":"2026-02-10T04:40:55Z","updated_at":"2026-11-02T16:58:09.227524Z"}]}}