ID CVE-2018-10471
Summary An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754.
References
Vulnerable Configurations
  • Xen 4.10.1
    cpe:2.3:o:xen:xen:4.10.1
  • Debian Linux 9.0
    cpe:2.3:o:debian:debian_linux:9.0
CVSS
Base: 4.9
Impact:
Exploitability:
CWE CWE-787
CAPEC
nessus via4
  • NASL family Misc.
    NASL id XEN_SERVER_XSA-259.NASL
    description According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service vulnerability. Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not check guest hardware configurations or if patches were applied manually to the source code before a recompile and reinstall.
    last seen 2019-02-21
    modified 2018-08-15
    plugin id 109574
    published 2018-05-04
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109574
    title Xen arch/x86/x86_64/entry.S Exception Handling Guest-to-host DoS (XSA-259)
  • NASL family Debian Local Security Checks
    NASL id DEBIAN_DLA-1549.NASL
    description Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, informations leaks or privilege escalation. For Debian 8 'Jessie', these problems have been fixed in version 4.4.4lts2-0+deb8u1. We recommend that you upgrade your xen packages. NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-10-19
    plugin id 118215
    published 2018-10-19
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=118215
    title Debian DLA-1549-1 : xen security update
  • NASL family Gentoo Local Security Checks
    NASL id GENTOO_GLSA-201810-06.NASL
    description The remote host is affected by the vulnerability described in GLSA-201810-06 (Xen: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in Xen. Please review the referenced CVE identifiers for details. Impact : A local attacker could cause a Denial of Service condition or disclose sensitive information. Workaround : There is no known workaround at this time.
    last seen 2019-02-21
    modified 2018-10-31
    plugin id 118506
    published 2018-10-31
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=118506
    title GLSA-201810-06 : Xen: Multiple vulnerabilities (Foreshadow) (Meltdown) (Spectre)
  • NASL family Fedora Local Security Checks
    NASL id FEDORA_2018-EB69078020.NASL
    description Information leak via crafted user-supplied CDROM [XSA-258] (#1571867) x86: PV guest may crash Xen with XPTI [XSA-259] (#1571878) Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-09-06
    plugin id 109746
    published 2018-05-14
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109746
    title Fedora 26 : xen (2018-eb69078020)
  • NASL family SuSE Local Security Checks
    NASL id SUSE_SU-2018-1203-1.NASL
    description This update for xen fixes several issues. These security issues were fixed : - CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820) - Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially privilege escalation/information leaks (XSA-261, bsc#1090822) - Prevent unbounded loop, induced by qemu allowing an attacker to permanently keep a physical CPU core busy (XSA-262, bsc#1090823) - CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot (bsc#1089152). - CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635). - CVE-2018-7550: The load_multiboot function allowed local guest OS users to execute arbitrary code on the host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access (bsc#1083292). Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-12-01
    plugin id 109722
    published 2018-05-11
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109722
    title SUSE SLES11 Security Update : xen (SUSE-SU-2018:1203-1) (Meltdown)
  • NASL family SuSE Local Security Checks
    NASL id SUSE_SU-2018-1202-1.NASL
    description This update for xen fixes several issues. These security issues were fixed : - CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820) - Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially privilege escalation/information leaks (XSA-261, bsc#1090822) - Prevent unbounded loop, induced by qemu allowing an attacker to permanently keep a physical CPU core busy (XSA-262, bsc#1090823) - CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot (bsc#1089152). - CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635). - CVE-2018-7550: The load_multiboot function allowed local guest OS users to execute arbitrary code on the host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access (bsc#1083292). Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-12-01
    plugin id 109721
    published 2018-05-11
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109721
    title SUSE SLES12 Security Update : xen (SUSE-SU-2018:1202-1) (Meltdown)
  • NASL family SuSE Local Security Checks
    NASL id SUSE_SU-2018-3230-1.NASL
    description This update for xen fixes several issues. These security issues were fixed : CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820) Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially privilege escalation/information leaks (XSA-261, bsc#1090822) Prevent unbounded loop, induced by qemu allowing an attacker to permanently keep a physical CPU core busy (XSA-262, bsc#1090823) CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot (bsc#1089152). CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-12-01
    plugin id 118304
    published 2018-10-22
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=118304
    title SUSE SLES12 Security Update : xen (SUSE-SU-2018:3230-1) (Meltdown)
  • NASL family SuSE Local Security Checks
    NASL id SUSE_SU-2018-1181-1.NASL
    description This update for xen fixes several issues. These security issues were fixed : - CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820) - Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially privilege escalation/information leaks (XSA-261, bsc#1090822) - Prevent unbounded loop, induced by qemu allowing an attacker to permanently keep a physical CPU core busy (XSA-262, bsc#1090823) - CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot (bsc#1089152). - CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635). - CVE-2018-7550: The load_multiboot function allowed local guest OS users to execute arbitrary code on the host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access (bsc#1083292). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-12-01
    plugin id 109676
    published 2018-05-10
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109676
    title SUSE SLES11 Security Update : xen (SUSE-SU-2018:1181-1) (Meltdown)
  • NASL family Debian Local Security Checks
    NASL id DEBIAN_DSA-4201.NASL
    description Multiple vulnerabilities have been discovered in the Xen hypervisor : - CVE-2018-8897 Andy Lutomirski and Nick Peterson discovered that incorrect handling of debug exceptions could result in privilege escalation. - CVE-2018-10471 An error was discovered in the mitigations against Meltdown which could result in denial of service. - CVE-2018-10472 Anthony Perard discovered that incorrect parsing of CDROM images can result in information disclosure. - CVE-2018-10981 Jan Beulich discovered that malformed device models could result in denial of service. - CVE-2018-10982 Roger Pau Monne discovered that incorrect handling of high precision event timers could result in denial of service and potentially privilege escalation.
    last seen 2019-02-21
    modified 2018-11-13
    plugin id 109816
    published 2018-05-16
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109816
    title Debian DSA-4201-1 : xen - security update
  • NASL family SuSE Local Security Checks
    NASL id OPENSUSE-2018-454.NASL
    description This update for xen to version 4.9.2 fixes several issues. This feature was added : - Added script, udev rule and systemd service to watch for vcpu online/offline events in a HVM domU. They are triggered via 'xl vcpu-set domU N' These security issues were fixed : - CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820) - Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially privilege escalation/information leaks (XSA-261, bsc#1090822) - Prevent unbounded loop, induced by qemu allowing an attacker to permanently keep a physical CPU core busy (XSA-262, bsc#1090823) - CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot (bsc#1089152). - CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635). - CVE-2018-7540: x86 PV guest OS users were able to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing (bsc#1080635). - CVE-2018-7541: Guest OS users were able to cause a denial of service (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1 (bsc#1080662). - CVE-2018-7542: x86 PVH guest OS users were able to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC (bsc#1080634). These non-security issues were fixed : - bsc#1087252: Update built-in defaults for xenstored in stubdom, keep default to run xenstored as daemon in dom0 - bsc#1087251: Preserve xen-syms from xen-dbg.gz to allow processing vmcores with crash(1) - bsc#1072834: Prevent unchecked MSR access error This update was imported from the SUSE:SLE-12-SP3:Update update project.
    last seen 2019-02-21
    modified 2018-12-18
    plugin id 109751
    published 2018-05-14
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109751
    title openSUSE Security Update : xen (openSUSE-2018-454) (Meltdown)
  • NASL family Fedora Local Security Checks
    NASL id FEDORA_2018-604574C943.NASL
    description Information leak via crafted user-supplied CDROM [XSA-258] (#1571867) x86: PV guest may crash Xen with XPTI [XSA-259] (#1571878) Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-09-05
    plugin id 109519
    published 2018-05-02
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109519
    title Fedora 27 : xen (2018-604574c943)
  • NASL family SuSE Local Security Checks
    NASL id SUSE_SU-2018-1216-1.NASL
    description This update for xen fixes several issues. These security issues were fixed : - CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820) - Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially privilege escalation/information leaks (XSA-261, bsc#1090822) - Prevent unbounded loop, induced by qemu allowing an attacker to permanently keep a physical CPU core busy (XSA-262, bsc#1090823) - CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot (bsc#1089152). - CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-12-01
    plugin id 109756
    published 2018-05-14
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109756
    title SUSE SLES12 Security Update : xen (SUSE-SU-2018:1216-1) (Meltdown)
  • NASL family Fedora Local Security Checks
    NASL id FEDORA_2018-DBEBCA30D0.NASL
    description Information leak via crafted user-supplied CDROM [XSA-258] (#1571867) x86: PV guest may crash Xen with XPTI [XSA-259] (#1571878) Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2019-01-03
    plugin id 120843
    published 2019-01-03
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=120843
    title Fedora 28 : xen (2018-dbebca30d0)
  • NASL family SuSE Local Security Checks
    NASL id SUSE_SU-2018-1177-1.NASL
    description This update for xen fixes several issues. These security issues were fixed : - CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820) - Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially privilege escalation/information leaks (XSA-261, bsc#1090822) - Prevent unbounded loop, induced by qemu allowing an attacker to permanently keep a physical CPU core busy (XSA-262, bsc#1090823) - CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot (bsc#1089152). - CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635). - CVE-2018-7550: The load_multiboot function allowed local guest OS users to execute arbitrary code on the host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access (bsc#1083292). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-12-01
    plugin id 109672
    published 2018-05-10
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109672
    title SUSE SLES12 Security Update : xen (SUSE-SU-2018:1177-1) (Meltdown)
  • NASL family SuSE Local Security Checks
    NASL id SUSE_SU-2018-1184-1.NASL
    description This update for xen to version 4.9.2 fixes several issues. This feature was added : - Added script, udev rule and systemd service to watch for vcpu online/offline events in a HVM domU. They are triggered via 'xl vcpu-set domU N' These security issues were fixed : - CVE-2018-8897: Prevent mishandling of debug exceptions on x86 (XSA-260, bsc#1090820) - Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially privilege escalation/information leaks (XSA-261, bsc#1090822) - Prevent unbounded loop, induced by qemu allowing an attacker to permanently keep a physical CPU core busy (XSA-262, bsc#1090823) - CVE-2018-10472: x86 HVM guest OS users (in certain configurations) were able to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot (bsc#1089152). - CVE-2018-10471: x86 PV guest OS users were able to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754 (bsc#1089635). - CVE-2018-7540: x86 PV guest OS users were able to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing (bsc#1080635). - CVE-2018-7541: Guest OS users were able to cause a denial of service (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1 (bsc#1080662). - CVE-2018-7542: x86 PVH guest OS users were able to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC (bsc#1080634). The update package also includes non-security fixes. See advisory for details. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen 2019-02-21
    modified 2018-12-01
    plugin id 109677
    published 2018-05-10
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=109677
    title SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:1184-1) (Meltdown)
refmap via4
bid 104003
confirm https://xenbits.xen.org/xsa/advisory-259.html
debian DSA-4201
gentoo GLSA-201810-06
mlist [debian-lts-announce] 20181018 [SECURITY] [DLA 1549-1] xen security update
Last major update 27-04-2018 - 11:29
Published 27-04-2018 - 11:29
Last modified 31-10-2018 - 06:30
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