Published: 26/09/2017 Updated: 03/10/2019

CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 188

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

The KVM subsystem in the Linux kernel up to and including 4.13.3 allows guest OS users to cause a denial of service (assertion failure, and hypervisor hang or crash) via an out-of bounds guest_irq value, related to arch/x86/kvm/vmx.c and virt/kvm/eventfd.c.

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Synopsis Important: kernel-rt security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Sco ...

Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 74 Extended Update SupportRed Hat Product Security has rated this update as having a security impact of Important A Common Vulnerabili ...

Synopsis Important: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring S ...

Debian Bug report logs - #875881 linux: CVE-2017-1000251 Package: src:linux; Maintainer for src:linux is Debian Kernel Team <debian-kernel@listsdebianorg>; Reported by: Christoph Anton Mitterer <calestyo@scientianet> Date: Fri, 15 Sep 2017 14:42:01 UTC Severity: critical Tags: confirmed, fixed-upstream, security, ...

Several vulnerabilities have been discovered in the Linux kernel that may lead to privilege escalation, denial of service or information leaks CVE-2017-7518 Andy Lutomirski discovered that KVM is prone to an incorrect debug exception (#DB) error occurring while emulating a syscall instruction A process inside a guest can take advanta ...

Several security issues were fixed in the Linux kernel ...

A reachable assertion failure flaw was found in the Linux kernel built with KVM virtualisation(CONFIG_KVM) support with Virtual Function I/O feature (CONFIG_VFIO) enabled This failure could occur if a malicious guest device sent a virtual interrupt (guest IRQ) with a larger (>1024) index value ...

CWE-20 CWE-617 https://github.com/torvalds/linux/commit/3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb https://github.com/torvalds/linux/commit/36ae3c0a36b7456432fedce38ae2f7bd3e01a563 https://bugzilla.redhat.com/show_bug.cgi?id=1490781 http://www.openwall.com/lists/oss-security/2017/09/15/4 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=36ae3c0a36b7456432fedce38ae2f7bd3e01a563 https://marc.info/?l=kvm&m=150549146311117&w=2 https://marc.info/?l=kvm&m=150549145711115&w=2 http://www.securityfocus.com/bid/101022 http://www.debian.org/security/2017/dsa-3981 https://access.redhat.com/errata/RHSA-2018:1062 https://access.redhat.com/errata/RHSA-2018:0676 https://access.redhat.com/errata/RHSA-2018:1130 https://nvd.nist.gov https://access.redhat.com/errata/RHSA-2018:0676 https://usn.ubuntu.com/3468-1/https://www.debian.org/security/./dsa-3981

CVE-2017-1000252

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