CVE-2017-15595
First published: Wed Oct 18 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/xen | 4.11.4+107-gef32c7afa2-1 4.14.6-1 4.14.5+94-ge49571868d-1 4.17.1+2-gb773c48e36-1 4.17.2+55-g0b56bed864-1 | |
| Xen xen-unstable | <=4.9.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
- https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
- https://security.gentoo.org/glsa/201801-14
- https://support.citrix.com/article/CTX228867
- https://www.debian.org/security/2017/dsa-4050
- https://www.exploit-db.com/exploits/43014/
- https://xenbits.xen.org/xsa/advisory-240.html
- https://security-tracker.debian.org/tracker/CVE-2017-15595
Frequently Asked Questions
What is the severity of CVE-2017-15595?
CVE-2017-15595 has a high severity level due to its potential to cause denial of service and possible privilege escalation.
How do I fix CVE-2017-15595?
To fix CVE-2017-15595, ensure you upgrade to a version of Xen that is later than 4.9.x, specifically 4.11.4 or newer.
Who is affected by CVE-2017-15595?
CVE-2017-15595 affects users of x86 PV guest operating systems running vulnerable versions of Xen.
What types of attacks does CVE-2017-15595 enable?
CVE-2017-15595 enables denial of service attacks through unbounded recursion and can potentially lead to privilege escalation.
What is the impact of CVE-2017-15595 on system stability?
CVE-2017-15595 can cause system instability due to stack consumption and hypervisor crashes.
- collector/security-tracker-debian
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/event
- agent/author
- agent/remedy
- agent/severity
- agent/weakness
- agent/references
- agent/description
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/xen
- canonical/xen xen-unstable
- version/xen xen-unstable/4.9.0