Resource Exhaustion Affecting xen package, versions <4.9.0-r6
Snyk CVSS
Attack Complexity
Low
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.1% (42nd
percentile)
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Test your applications- Snyk ID SNYK-ALPINE314-XEN-1308689
- published 21 Jul 2020
- disclosed 18 Oct 2017
Introduced: 18 Oct 2017
CVE-2017-15595 Open this link in a new tabHow to fix?
Upgrade Alpine:3.14
xen
to version 4.9.0-r6 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xen
package and not the xen
package as distributed by Alpine
.
See How to fix?
for Alpine:3.14
relevant fixed versions and status.
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.
References
- https://support.citrix.com/article/CTX228867
- https://xenbits.xen.org/xsa/advisory-240.html
- https://www.debian.org/security/2017/dsa-4050
- https://www.exploit-db.com/exploits/43014/
- https://security.gentoo.org/glsa/201801-14
- https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
- https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html