CVE-2018-7540
CVE-2018-7540
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.5 · Medium · EPSS 0.4% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
xen Debian:12
- Affected ranges
- ECOSYSTEM: < 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5
Update to 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5
xen Debian:13
- Affected ranges
- ECOSYSTEM: < 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5
Update to 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5
xen Debian:14
- Affected ranges
- ECOSYSTEM: < 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5
Update to 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5
xen Ubuntu:16.04:LTS
- Versions
- 4.5.1-0ubuntu1
- 4.5.1-0ubuntu2
- 4.6.0-1ubuntu1
- 4.6.0-1ubuntu2
- 4.6.0-1ubuntu4
- 4.6.0-1ubuntu4.1
- 4.6.0-1ubuntu4.2
- 4.6.0-1ubuntu4.3
- 4.6.5-0ubuntu1
- 4.6.5-0ubuntu1.1
- 4.6.5-0ubuntu1.2
- 4.6.5-0ubuntu1.4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://xenbits.xen.org/xsa/advisory-252.html
- https://security.gentoo.org/glsa/201810-06
- http://www.securitytracker.com/id/1040773
- https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
- https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html
- http://www.securityfocus.com/bid/103174
- https://www.debian.org/security/2018/dsa-4131
- https://support.citrix.com/article/CTX232655
- https://support.citrix.com/article/CTX232096
- https://nvd.nist.gov/vuln/detail/CVE-2018-7540