PT-2018-18144 · Xen+1 · Xen+1

Jann Horn · Published 2018-02-27 · Updated 2024-06-15 · CVE-2018-7540

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.11

Description An issue in Xen allows x86 PV guest OS users to cause a denial of service, resulting in a host OS CPU hang, via non-preemptable L3/L4 pagetable freeing.

Recommendations For versions prior to 4.11, update to version 4.11 or later to resolve the issue.

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2018-7540

DLA-1300-1

DLA-1577-1

DSA-4131-1

OPENSUSE-SU-2018_1274-1

OPENSUSE-SU-2024:11520-1

SUSE-SU-2018:0678-1

SUSE-SU-2018:0909-1

SUSE-SU-2018:1184-1

Affected Products

Suse

Xen

References · 154

• https://osv.dev/vulnerability/openSUSE-SU-2024:11520-1 · Vendor Advisory
• https://security.gentoo.org/glsa/201810-06 · Vendor Advisory
• https://debian.org/security/2018/dsa-4131 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-7540 · Security Note
• https://osv.dev/vulnerability/DSA-4131-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1577-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-7540 · Vendor Advisory
• https://xenbits.xen.org/xsa/advisory-252.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-7540 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-7540 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-7540 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2018-7540 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:1184-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0678-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0909-1 · Vendor Advisory