Improper Input Validation Affecting xen-tools package, versions <4.10.3_02-3.14.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-SLES150-XENTOOLS-2754331
- published14 Apr 2022
- disclosed4 Apr 2019
Introduced: 4 Apr 2019
CVE-2018-19967 (opens in a new tab)How to fix?
Upgrade SLES:15.0 xen-tools to version 4.10.3_02-3.14.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xen-tools package and not the xen-tools package as distributed by SLES.
See How to fix? for SLES:15.0 relevant fixed versions and status.
An issue was discovered in Xen through 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix.
References
- https://www.suse.com/security/cve/CVE-2018-19967.html
- https://bugzilla.suse.com/1114988
- https://bugzilla.suse.com/1178658
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
- http://www.securityfocus.com/bid/106182
- https://support.citrix.com/article/CTX239432
- https://www.debian.org/security/2019/dsa-4369
- https://xenbits.xen.org/xsa/advisory-282.html