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CVE-2017-1000252

Date: September 26, 2017

The KVM subsystem in the Linux kernel through 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.

Language: C

Severity Score

Related Resources (17)

https://access.redhat.com/errata/RHSA-2018:0676
https://github.com/torvalds/linux/commit/36ae3c0a36b7456432fedce38ae2f7bd3e01a563
http://www.securityfocus.com/bid/101022
https://marc.info/?l=kvm&m=150549145711115&w=2
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-1000252
https://marc.info/?l=kvm&m=150549146311117&w=2
https://access.redhat.com/errata/RHSA-2018:1062
https://access.redhat.com/security/cve/CVE-2017-1000252
https://nvd.nist.gov/vuln/detail/CVE-2017-1000252
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=36ae3c0a36b7456432fedce38ae2f7bd3e01a563
http://www.debian.org/security/2017/dsa-3981
https://bugzilla.redhat.com/show_bug.cgi?id=1490781
https://github.com/torvalds/linux/commit/3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb
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
https://access.redhat.com/errata/RHSA-2018:1130
https://www.mend.io/vulnerability-database/CVE-2017-1000252

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Reachable Assertion

CWE-617

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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