DEBIAN-CVE-2018-7540

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Source
https://security-tracker.debian.org/tracker/CVE-2018-7540
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-7540.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2018-7540
Upstream
Published
2018-02-27T19:29:00.607Z
Modified
2025-11-14T04:01:03.689784Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.

References

Affected packages

Debian:11 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.3+comet2+shim4.10.0+comet3-1+deb9u5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-7540.json"

Debian:12 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.3+comet2+shim4.10.0+comet3-1+deb9u5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-7540.json"

Debian:13 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.3+comet2+shim4.10.0+comet3-1+deb9u5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-7540.json"

Debian:14 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.8.3+comet2+shim4.10.0+comet3-1+deb9u5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2018-7540.json"