{"id":"CVE-2018-18849","aliases":["BELL-CVE-2018-18849","DEBIAN-CVE-2018-18849","DLA-1781-1","DSA-4454-1","EUVD-2018-10563","GHSA-q3gm-vp97-w99p","SUSE-SU-2018:3912-1","SUSE-SU-2018:3927-1","SUSE-SU-2018:3973-1","SUSE-SU-2018:3973-2","SUSE-SU-2018:3975-1","SUSE-SU-2018:3987-1","SUSE-SU-2018:4070-1","SUSE-SU-2018:4129-1","SUSE-SU-2018:4185-1","SUSE-SU-2018:4237-1","SUSE-SU-2019:0003-1","SUSE-SU-2019:0020-1","SUSE-SU-2019:0825-1","SUSE-SU-2019:0827-1","SUSE-SU-2019:13921-1","SUSE-SU-2019:14011-1","UBUNTU-CVE-2018-18849","USN-3826-1"],"status":"published","title":"In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an...","description":"In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/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":0.00561,"percentile":0.46919,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2018-11-02T00:00:00Z","modified":"2026-10-24T10:30:56Z","fixes":[{"ecosystem":"Debian:12","package":"qemu","fixed_in":["1:3.1+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"qemu","fixed_in":["1:3.1+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"qemu","fixed_in":["1:3.1+dfsg-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"qemu","fixed_in":["2.0.0+dfsg-2ubuntu1.44"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"qemu","fixed_in":["1:2.5+dfsg-5ubuntu10.33"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"qemu","fixed_in":["1:2.11+dfsg-1ubuntu7.8"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.1+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.1+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.1+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.1+dfsg-12+deb8u11"}]}],"versions":["1:2.1+dfsg-11","1:2.1+dfsg-12","1:2.1+dfsg-12+deb8u1","1:2.1+dfsg-12+deb8u10","1:2.1+dfsg-12+deb8u2","1:2.1+dfsg-12+deb8u3","1:2.1+dfsg-12+deb8u4","1:2.1+dfsg-12+deb8u4~bpo70+1","1:2.1+dfsg-12+deb8u5","1:2.1+dfsg-12+deb8u5a","1:2.1+dfsg-12+deb8u5a~bpo70+1","1:2.1+dfsg-12+deb8u6","1:2.1+dfsg-12+deb8u7","1:2.1+dfsg-12+deb8u8","1:2.1+dfsg-12+deb8u9","1:2.1+dfsg-12~bpo70+1"],"bundled":4},{"source":"osv","ecosystem":"Debian:9","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.8+dfsg-6+deb9u6"}]}],"versions":["1:2.8+dfsg-6","1:2.8+dfsg-6+deb9u1","1:2.8+dfsg-6+deb9u2","1:2.8+dfsg-6+deb9u3","1:2.8+dfsg-6+deb9u4","1:2.8+dfsg-6+deb9u5"],"bundled":12},{"source":"osv","ecosystem":"SUSE:Linux 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Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.","status":"published","published":"2019-03-17T19:56:41Z","modified":"2024-08-05T11:23:08.494Z","updated_at":"2026-11-02T14:35:11.799349Z"}],"euvd":[{"id":"EUVD-2018-10563","description":"In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.","status":"published","published":"2019-03-17T19:56:41Z","modified":"2024-08-05T11:23:08Z","updated_at":"2026-11-03T02:39:34.768254Z"}],"ghsa":[{"id":"GHSA-q3gm-vp97-w99p","title":"In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an...","description":"In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.","status":"published","published":"2022-05-14T00:59:50Z","modified":"2023-02-02T05:02:50Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:51:31.346473Z"}],"nvd":[{"id":"CVE-2018-18849","description":"In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.","status":"published","published":"2019-03-21T16:00:29.547Z","modified":"2026-06-17T01:48:00.937Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:54.21788Z"}],"osv":[{"id":"BELL-CVE-2018-18849","title":"CVE-2018-18849 does not affect BellSoft software","status":"withdrawn","published":"2019-03-21T16:00:00Z","modified":"2026-01-26T09:50:09.63045Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"CVE-2018-18849","description":"In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.","status":"published","published":"2019-03-21T16:00:29.547Z","modified":"2026-10-24T10:30:56.764616506Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"DEBIAN-CVE-2018-18849","description":"In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.","status":"published","published":"2019-03-21T16:00:29.547Z","modified":"2026-10-23T18:02:29.60887794Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:30.57382Z"},{"id":"UBUNTU-CVE-2018-18849","description":"In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.","status":"published","published":"2018-11-02T00:00:00Z","modified":"2026-02-04T02:30:59.737028Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.496046Z"},{"id":"DLA-1781-1","title":"qemu - security update","status":"published","published":"2019-05-09T00:00:00Z","modified":"2026-03-09T01:21:20.909943Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"DSA-4454-1","title":"qemu - security update","status":"published","published":"2019-05-30T00:00:00Z","modified":"2026-03-09T02:10:53.225814Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"SUSE-SU-2018:3912-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).\n- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread (bsc#1106222).\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111006).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111010).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111013)\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114422).\n","status":"published","published":"2018-11-26T16:46:26Z","modified":"2025-05-02T04:07:23.470558Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:3927-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).\n- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread (bsc#1106222).\n- CVE-2018-16847: Fixed an OOB heap buffer r/w access issue that was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process (bsc#1114529).\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111006).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111010).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111013)\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114422).\n\nNon-security issues fixed:\n\n- Fix slowness in arm32 emulation (bsc#1112499).\n- In order to improve spectre mitigation for s390x, add a new feature in the QEMU cpu model to provide the etoken cpu feature for guests (bsc#1107489).\n","status":"published","published":"2018-11-27T12:39:22Z","modified":"2026-02-04T02:44:58.127896Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:3973-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).\n- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread (bsc#1106222).\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111006).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111010).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111013)\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114422).\n","status":"published","published":"2018-12-04T16:27:13Z","modified":"2026-02-04T04:39:12.327564Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:3973-2","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).\n- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread (bsc#1106222).\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111006).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111010).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111013)\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114422).\n","status":"published","published":"2019-04-27T15:51:47Z","modified":"2025-05-02T04:07:23.661608Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:3975-1","title":"Security update for kvm","description":"This update for kvm fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).\n- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread (bsc#1106222).\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111006).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111010).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111013)\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114422).\n- CVE-2018-18438: Fixed integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value (bnc#1112185).\n","status":"published","published":"2018-12-04T16:27:54Z","modified":"2026-02-04T03:02:13.691753Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:3987-1","title":"Security update for kvm","description":"This update for kvm fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).\n- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread (bsc#1106222).\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111006).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111010).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111013)\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114422).\n- CVE-2018-18438: Fixed integer overflows because IOReadHandler and its associated functions use a signed integer data type for a size value (bnc#1112185).\n","status":"published","published":"2018-12-05T13:48:59Z","modified":"2026-02-04T03:52:13.550667Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:4070-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-18849: Fixed an out of bounds memory access issue was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin (bsc#1114423).\n- CVE-2018-18883: Fixed a NULL pointer dereference that could have been triggered by nested VT-x that where not properly restricted (XSA-278)(bsc#1114405).\n- CVE-2018-19965: Fixed denial of service issue from attempting to use INVPCID with a non-canonical addresses (XSA-279)(bsc#1115045).\n- CVE-2018-19966: Fixed issue introduced by XSA-240 that could have caused conflicts with shadow paging (XSA-280)(bsc#1115047).\n- CVE-2018-19961 CVE-2018-19962: Fixed insufficient TLB flushing / improper large page mappings with AMD IOMMUs (XSA-275)(bsc#1115040).\n\nNon-security issues fixed:\n\n- Added upstream bug fixes (bsc#1027519).\n- Fixed XEN SLE12-SP1 domU hang on SLE12-SP3 HV (bsc#1108940).\n","status":"published","published":"2018-12-11T14:12:57Z","modified":"2026-02-04T04:04:03.250989Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:4129-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).\n- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread (bsc#1106222).\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111006).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111010).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111013)\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114422).\n\nNon-security issues fixed:\n\n- Improving disk performance for qemu on xen (bsc#1100408)\n","status":"published","published":"2018-12-14T15:13:03Z","modified":"2026-02-04T04:05:09.382246Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2018:4185-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).\n- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread (bsc#1106222).\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111006).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111010).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111013)\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114422).\n- CVE-2018-16847: Fixed an out of bounds r/w buffer access in cmb operations (bsc#1114529).\n\nNon-security issue fixed:\n\n- Fixed a condition when retry logic does not have been executed in case of data transmit failure or connection hungup (bsc#1108474).\n","status":"published","published":"2018-12-19T10:32:26Z","modified":"2026-02-04T02:18:46.77585Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2018:4237-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-10839: Fixed NE2000 NIC emulation support that is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS (bsc#1110910).\n- CVE-2018-15746: Fixed qemu-seccomp.c that might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread (bsc#1106222).\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111006).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111010).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact. (bsc#1111013)\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114422).\n","status":"published","published":"2018-12-22T10:52:20Z","modified":"2026-02-04T04:36:33.150893Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:0003-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- Update to Xen 4.11.1 bug fix release (bsc#1027519)\n\n- CVE-2018-17963: Fixed an integer overflow issue in the QEMU emulator, which\n  could occur when a packet with large packet size is processed. A user inside\n  a guest could have used this flaw to crash the qemu process resulting in a\n  Denial of Service (DoS). (bsc#1111014)\n- CVE-2018-18849: Fixed an out of bounds memory access in the LSI53C895A SCSI\n  host bus adapter emulation, which allowed a user and/or process to crash the\n  qemu process resulting in a Denial of Service (DoS). (bsc#1114423)\n- CVE-2018-18883: Fixed an issue related to inproper restriction of nested\n  VT-x, which allowed a guest to cause Xen to crash, resulting in a Denial of\n  Service (DoS). (XSA-278) (bsc#1114405)\n- CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB\n  flushing with AMD IOMMUs, which potentially allowed a guest to escalate its\n  privileges, may cause a Denial of Service (DoS) affecting the entire host, or\n  may be able to access data it is not supposed to access. (XSA-275)\n  (bsc#1115040)\n- CVE-2018-19963: Fixed the allocation of pages used to communicate with\n  external emulators, which may have cuased Xen to crash, resulting in a Denial\n  of Service (DoS). (XSA-276) (bsc#1115043)\n- CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case\n  non-canonical addresses are accessed, which may allow a guest to cause Xen to\n  crash, resulting in a Denial of Service (DoS) affecting the entire host.\n  (XSA-279) (bsc#1115045)\n- CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240, which\n  conflicted with shadow paging and allowed a guest to cause Xen to crash,\n  resulting in a Denial of Service (DoS) (XSA-280) (bsc#1115047)\n- CVE-2018-19967: Fixed HLE constructs that allowed guests to lock up the host,\n  resulting in a Denial of Service (DoS). (XSA-282) (bsc#1114988)\n- CVE-2018-19964: Fixed the incorrect error handling of p2m page removals,\n  which allowed a guest to cause a deadlock, resulting in a Denial of Service\n  (DoS) affecting the entire host. (XSA-277) (bsc#1115044)\n- CVE-2018-19665: Fixed an integer overflow resulting in memory corruption in\n  various Bluetooth functions, allowing this to crash qemu process resulting in\n  Denial of Service (DoS). (bsc#1117756).\n\nOther bugs fixed:\n\n- Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940)\n\n","status":"published","published":"2019-01-02T10:39:50Z","modified":"2026-02-04T04:40:34.890337Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:0020-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\nSecurity vulnerabilities fixed:\n\n- CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB\n  flushing with AMD IOMMUs, which potentially allowed a guest to escalate its\n  privileges, may cause a Denial of Service (DoS) affecting the entire host, or\n  may be able to access data it is not supposed to access. (XSA-275)\n  (bsc#1115040)\n- CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case\n  non-canonical addresses are accessed, which may allow a guest to cause Xen to\n  crash, resulting in a Denial of Service (DoS) affecting the entire host.\n  (XSA-279) (bsc#1115045)\n- CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240, which\n  conflicted with shadow paging and allowed a guest to cause Xen to crash,\n  resulting in a Denial of Service (DoS). (XSA-280) (bsc#1115047)\n- CVE-2018-19665: Fixed an integer overflow resulting in memory corruption in\n  various Bluetooth functions, allowing this to crash qemu process resulting in\n  Denial of Service (DoS). (bsc#1117756).\n- CVE-2018-18849: Fixed an out of bounds memory access in the LSI53C895A SCSI\n  host bus adapter emulation, which allowed a user and/or process to crash the\n  qemu process resulting in a Denial of Service (DoS). (bsc#1114423)\n\nOther bugs fixed:\n\n- Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940)\n- Fixed an issue with xpti=no-dom0 not working as expected (bsc#1105528)\n- Fixed an issue with live migrations, which used to fail when spectre is\n  enabled on xen boot cmdline (bsc#1116380)\n- Upstream bug fixes (bsc#1027519)\n","status":"published","published":"2019-01-04T13:46:39Z","modified":"2026-02-04T02:16:52.989453Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:0825-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2018-18849: Fixed an out of bounds memory access issue that was found in the LSI53C895A SCSI Host Bus Adapter \n  emulation while writing a message in lsi_do_msgin. It could occur during migration if the 'msg_len' field has an invalid \n  value. A user/process could use this flaw to crash the Qemu process resulting in DoS (bsc#1114423).\n- CVE-2018-19967: Fixed HLE constructs that allowed guests to lock up the host,\n  resulting in a Denial of Service (DoS). (XSA-282) (bsc#1114988)\n- CVE-2018-19665: Fixed an integer overflow in Bluetooth routines allows memory corruption (bsc#1117756).\n- CVE-2018-18438: Fixed an integer overflow in ccid_card_vscard_read function which allows memory corruption (bsc#1112188).\n- CVE-2018-17962: Fixed a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used (bsc#1111011).\n- Fixed an issue which could allow a malicious unprivileged guest userspace process to escalate its privilege \n  to that of other userspace processes in the same guest and potentially thereby to that \n  of the guest operating system (bsc#1126201).\n- CVE-2018-19961 CVE-2018-19962: Fixed insufficient TLB flushing / improper large page mappings with AMD IOMMUs (XSA-275)(bsc#1115040).\n- CVE-2018-17963: Fixed qemu_deliver_packet_iov in net/net.c that accepts packet sizes greater than INT_MAX, which allows attackers \n  to cause a denial of service or possibly have unspecified other impact. (bsc#1111014)\n- Fixed an issue which could allow an untrusted PV domain with access to a physical device to DMA into its own \n  pagetables leading to privilege escalation (bsc#1126195).\n- Fixed an issue which could allow a malicious or buggy x86 PV guest kernels can mount a Denial of Service\n  attack affecting the whole system (bsc#1126196)\n- CVE-2018-17958: Fixed a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used (bsc#1111007).\n- CVE-2018-10839: Fixed an integer overflow which could lead to a buffer overflow issue (bsc#1110924).\n- CVE-2019-6778: Fixed a heap buffer overflow in tcp_emu() found in slirp (bsc#1123157).\n- CVE-2018-19966: Fixed issue introduced by XSA-240 that could have caused conflicts with shadow paging (XSA-280)(bsc#1115047).\n- CVE-2017-13672: Fixed an out of bounds read access during display update (bsc#1056336).\n- Fixed multiple access violations introduced by XENMEM_exchange hypercall which could allow\n  a single PV guest to leak arbitrary amounts of memory, leading to a denial of service (bsc#1126192).\n- Fixed an issue which could allow malicious or buggy guests with passed through PCI devices to  be able to \n  escalate their privileges, crash the host, or access data belonging to other guests. Additionally memory \n  leaks were also possible (bsc#1126140).\n- Fixed a race condition issue which could allow malicious PV guests to escalate their privilege to that \n  of the hypervisor (bsc#1126141).\n- CVE-2019-9824: Fixed an information leak in SLiRP networking implementation which could allow a user/process \n  to read uninitialised stack memory contents (bsc#1129623).\n","status":"published","published":"2019-04-01T09:25:46Z","modified":"2026-02-04T02:54:24.888199Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:0827-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-6778: Fixed a heap buffer overflow in tcp_emu() found in slirp (bsc#1123157).\n- CVE-2017-13672: Fixed an out of bounds read access during display update (bsc#1056336).\n- Fixed an issue which could allow malicious or buggy guests with passed through PCI devices to  be able to \n  escalate their privileges, crash the host, or access data belonging to other guests. Additionally memory \n  leaks were also possible (bsc#1126140)\n- Fixed a race condition issue which could allow malicious PV guests to escalate their privilege to that \n  of the hypervisor (bsc#1126141).\n- CVE-2018-18849: Fixed an out of bounds msg buffer access which could lead to denial of service (bsc#1114423).  \n- Fixed an issue which could allow a malicious unprivileged guest userspace process to escalate its privilege \n  to that of other userspace processes in the same guest and potentially thereby to that \n  of the guest operating system (bsc#1126201).  \n- CVE-2018-17958: Fixed an integer overflow leading to a buffer overflow in the\n  rtl8139 component (bsc#1111007)\n- CVE-2018-19967: Fixed HLE constructs that allowed guests to lock up the host,\n  resulting in a Denial of Service (DoS). (XSA-282) (bsc#1114988)  \n- CVE-2018-19665: Fixed an integer overflow resulting in memory corruption in\n  various Bluetooth functions, allowing this to crash qemu process resulting in\n  Denial of Service (DoS). (bsc#1117756).\n- CVE-2019-9824: Fixed an information leak in SLiRP networking implementation which could allow a user/process \n  to read uninitialised stack memory contents (bsc#1129623).\n- CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB\n  flushing with AMD IOMMUs, which potentially allowed a guest to escalate its\n  privileges, may cause a Denial of Service (DoS) affecting the entire host, or\n  may be able to access data it is not supposed to access. (XSA-275)\n  (bsc#1115040)\n- CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240, which\n  conflicted with shadow paging and allowed a guest to cause Xen to crash,\n  resulting in a Denial of Service (DoS) (XSA-280) (bsc#1115047).\n- CVE-2018-10839: Fixed an integer overflow leading to a buffer overflow in\n  the ne2000 component (bsc#1110924).\n- CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case\n  non-canonical addresses are accessed, which may allow a guest to cause Xen to\n  crash, resulting in a Denial of Service (DoS) affecting the entire host.\n  (XSA-279) (bsc#1115045).\n- Fixed an issue which could allow malicious 64bit PV guests to cause a host crash (bsc#1127400).\n- Fixed an issue which could allow malicious PV guests may cause a host crash or \n  gain access to data pertaining to other guests.Additionally, vulnerable configurations \n  are likely to be unstable even in the absence of an attack (bsc#1126198).\n- Fixed multiple access violations introduced by XENMEM_exchange hypercall which could allow \n  a single PV guest to leak arbitrary amounts of memory, leading to a denial of service (bsc#1126192).\n- CVE-2018-17963: Fixed an integer overflow in relation to large packet sizes,\n  leading to a denial of service (DoS). (bsc#1111014).\n- Fixed an issue which could allow a malicious or buggy x86 PV guest kernels can mount a Denial of Service\n  attack affecting the whole system (bsc#1126196).\n- Fixed an issue which could allow an untrusted PV domain with access to a physical device to DMA into its own \n  pagetables leading to privilege escalation (bsc#1126195).\n- CVE-2018-17962: Fixed an integer overflow leading to a buffer overflow in the\n  pcnet component (bsc#1111011)\n- CVE-2018-18438: Fixed an integer overflow in ccid_card_vscard_read function which could lead to memory corruption (bsc#1112188).\n\nOther issues fixed: \n\n- Upstream bug fixes (bsc#1027519)\n- Fixed an issue where XEN SLE12-SP1 domU hangs on SLE12-SP3 HV1108940 (bsc#1108940).\n","status":"published","published":"2019-04-01T09:26:41Z","modified":"2026-02-04T02:52:20.568305Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:13921-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\nSecurity vulnerabilities fixed:\n\n- CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB\n  flushing with AMD IOMMUs, which potentially allowed a guest to escalate its\n  privileges, may cause a Denial of Service (DoS) affecting the entire host, or\n  may be able to access data it is not supposed to access. (XSA-275)\n  (bsc#1115040)\n- CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case\n  non-canonical addresses are accessed, which may allow a guest to cause Xen to\n  crash, resulting in a Denial of Service (DoS) affecting the entire host.\n  (XSA-279) (bsc#1115045)\n- CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240, which\n  conflicted with shadow paging and allowed a guest to cause Xen to crash,\n  resulting in a Denial of Service (DoS) (XSA-280) (bsc#1115047)\n- CVE-2018-19967: Fixed HLE constructs that allowed guests to lock up the host,\n  resulting in a Denial of Service (DoS). (XSA-282) (bsc#1114988)\n- CVE-2018-19665: Fixed an integer overflow resulting in memory corruption in\n  various Bluetooth functions, allowing this to crash qemu process resulting in\n  Denial of Service (DoS). (bsc#1117756).\n- CVE-2018-18849: Fixed an out of bounds memory access in the LSI53C895A SCSI\n  host bus adapter emulation, which allowed a user and/or process to crash the\n  qemu process resulting in a Denial of Service (DoS). (bsc#1114423)\n- Fixed an integer overflow in ccid_card_vscard_read(), which allowed for\n  memory corruption. (bsc#1112188)\n- CVE-2017-13672: Fixed an out of bounds read access during display update\n  (bsc#1056336)\n- CVE-2018-17958: Fixed an integer overflow leading to a buffer overflow in the\n  rtl8139 component (bsc#1111007)\n- CVE-2018-17962: Fixed an integer overflow leading to a buffer overflow in the\n  pcnet component (bsc#1111011)\n- CVE-2018-17963: Fixed an integer overflow in relation to large packet sizes,\n  leading to a denial of service (DoS). (bsc#1111014)\n- CVE-2018-10839: Fixed an integer overflow leading to a buffer overflow in\n  the ne2000 component (bsc#1110924)\n\nOther bugs fixed:\n\n- Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940)\n- Upstream bug fixes (bsc#1027519)\n- Fixed crashing VMs when migrating between dom0 hosts (bsc#1031382)\n- Fixed an issue with xpti=no-dom0 not working as expected (bsc#1105528)\n","status":"published","published":"2019-01-02T10:40:18Z","modified":"2026-02-04T04:03:43.135956Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:14011-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case\n  non-canonical addresses are accessed, which may allow a guest to cause Xen to\n  crash, resulting in a Denial of Service (DoS) affecting the entire host.\n  (XSA-279) (bsc#1115045)\n- CVE-2018-18849: Fixed an out of bounds memory access issue was found in the \n  LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin (bsc#1114423).\n- CVE-2018-19665: Fixed an integer overflow resulting in memory corruption in\n  various Bluetooth functions, allowing this to crash qemu process resulting in\n  Denial of Service (DoS). (bsc#1117756).\n- CVE-2018-18438: Fixed an integer overflow in ccid_card_vscard_read function which could allow memory corruption (bsc#1112188).\n- CVE-2018-17962: Fixed an integer overflow leading to a buffer overflow in the\n  pcnet component (bsc#1111011)\n- CVE-2018-17963: Fixed an integer overflow in relation to large packet sizes,\n  leading to a denial of service (DoS). (bsc#1111014)\n- Fixed an issue which could allow an untrusted PV domain with access to a physical device to DMA into its own \n  pagetables leading to privilege escalation (bsc#1126195).\n- Fixed an issue which could allow a malicious or buggy x86 PV guest kernels can mount a Denial of Service\n  attack affecting the whole system (bsc#1126196).\n- CVE-2018-17958: Fixed an integer overflow  which could lead to buffer overflow (bsc#1111007).\n- CVE-2018-10839: Fixed an integer overflow leading to a buffer overflow in\n  the ne2000 component (bsc#1110924).\n- CVE-2019-6778: Fixed a heap buffer overflow in tcp_emu() found in slirp (bsc#1123157).\n- CVE-2018-19966: Fixed issue introduced by XSA-240 that could have caused conflicts with shadow paging (XSA-280)(bsc#1115047).\n- CVE-2018-19967: Fixed HLE constructs that allowed guests to lock up the host,\n  resulting in a Denial of Service (DoS). (XSA-282) (bsc#1114988).\n- Fixed multiple access violations introduced by XENMEM_exchange hypercall which could allow\n  a single PV guest to leak arbitrary amounts of memory, leading to a denial of service (bsc#1126192).\n- Fixed an issue which could allow malicious or buggy guests with passed through PCI devices to  be able to \n  escalate their privileges, crash the host, or access data belonging to other guests. Additionally memory \n  leaks were also possible (bsc#1126140).\n- Fixed a race condition issue which could allow malicious PV guests to escalate their privilege to that \n  of the hypervisor (bsc#1126141).\n- CVE-2019-9824: Fixed an information leak in SLiRP networking implementation which could allow a user/process \n  to read uninitialised stack memory contents (bsc#1129623).\n","status":"published","published":"2019-04-03T09:06:19Z","modified":"2026-02-04T04:30:05.027865Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"USN-3826-1","title":"qemu vulnerabilities","description":"Daniel Shapira and Arash Tohidi discovered that QEMU incorrectly handled\nNE2000 device emulation. An attacker inside the guest could use this issue\nto cause QEMU to crash, resulting in a denial of service. (CVE-2018-10839)\n\nIt was discovered that QEMU incorrectly handled the Slirp networking\nback-end. A privileged attacker inside the guest could use this issue to\ncause QEMU to crash, resulting in a denial of service, or possibly execute\narbitrary code on the host. In the default installation, when QEMU is used\nwith libvirt, attackers would be isolated by the libvirt AppArmor profile.\nThis issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu\n18.04 LTS. (CVE-2018-11806)\n\nFakhri Zulkifli discovered that the QEMU guest agent incorrectly handled\ncertain QMP commands. An attacker could possibly use this issue to crash\nthe QEMU guest agent, resulting in a denial of service. (CVE-2018-12617)\n\nLi Qiang discovered that QEMU incorrectly handled NVM Express Controller\nemulation. An attacker inside the guest could use this issue to cause QEMU\nto crash, resulting in a denial of service, or possibly execute arbitrary\ncode on the host. In the default installation, when QEMU is used with\nlibvirt, attackers would be isolated by the libvirt AppArmor profile. This\nissue only affected Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-16847)\n\nDaniel Shapira and Arash Tohidi discovered that QEMU incorrectly handled\nRTL8139 device emulation. An attacker inside the guest could use this issue\nto cause QEMU to crash, resulting in a denial of service. (CVE-2018-17958)\n\nDaniel Shapira and Arash Tohidi discovered that QEMU incorrectly handled\nPCNET device emulation. An attacker inside the guest could use this issue\nto cause QEMU to crash, resulting in a denial of service. (CVE-2018-17962)\n\nDaniel Shapira discovered that QEMU incorrectly handled large packet sizes.\nAn attacker inside the guest could use this issue to cause QEMU to crash,\nresulting in a denial of service. (CVE-2018-17963)\n\nIt was discovered that QEMU incorrectly handled LSI53C895A device\nemulation. An attacker inside the guest could use this issue to cause QEMU\nto crash, resulting in a denial of service. (CVE-2018-18849)\n\nMoguofang discovered that QEMU incorrectly handled the IPowerNV LPC\ncontroller. An attacker inside the guest could use this issue to cause QEMU\nto crash, resulting in a denial of service. This issue only affected Ubuntu\n18.04 LTS and Ubuntu 18.10. (CVE-2018-18954)\n\nZhibin Hu discovered that QEMU incorrectly handled the Plan 9 File System\nsupport. An attacker inside the guest could use this issue to cause QEMU\nto crash, resulting in a denial of service. (CVE-2018-19364)\n","status":"published","published":"2018-11-26T14:23:51Z","modified":"2026-05-04T09:38:36.737045Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}