CVE-2017-15588: Race Condition
First published: Wed Oct 18 2017(Updated: )
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.
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
- http://www.securityfocus.com/bid/101490
- http://www.securitytracker.com/id/1039568
- https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
- https://security.gentoo.org/glsa/201801-14
- https://support.citrix.com/article/CTX228867
- https://www.debian.org/security/2017/dsa-4050
- https://xenbits.xen.org/xsa/advisory-241.html
- https://security-tracker.debian.org/tracker/CVE-2017-15588
Frequently Asked Questions
What is the severity of CVE-2017-15588?
CVE-2017-15588 has a high severity rating due to its potential to allow arbitrary code execution on the host OS by x86 PV guest OS users.
How do I fix CVE-2017-15588?
To fix CVE-2017-15588, update to affected Xen versions 4.11.4+107-gef32c7afa2-1, 4.14.6-1, 4.14.5+94-ge49571868d-1, 4.17.1+2-gb773c48e36-1, or 4.17.2+55-g0b56bed864-1.
What versions of Xen are affected by CVE-2017-15588?
CVE-2017-15588 affects all Xen versions below 4.11.4 and those specifically identified, including 4.9.x.
Who is affected by CVE-2017-15588?
Users of Xen hypervisors, particularly those running x86 PV guest operating systems, are affected by CVE-2017-15588.
Is there a workaround for CVE-2017-15588?
No definitive workaround exists for CVE-2017-15588; the recommended action is to apply the available updates.
- collector/security-tracker-debian
- agent/type
- agent/softwarecombine
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/author
- agent/description
- agent/remedy
- agent/severity
- agent/references
- agent/weakness
- 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