Incomplete Cleanup Affecting xen-tools package, versions <4.10.2_04-3.9.1
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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Test your applications- Snyk IDSNYK-SLES150-XENTOOLS-2757306
- published14 Apr 2022
- disclosed28 Dec 2018
Introduced: 28 Dec 2018
CVE-2018-19961 (opens in a new tab)How to fix?
Upgrade SLES:15.0 xen-tools to version 4.10.2_04-3.9.1 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 AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU mapping changes.
References
- https://www.suse.com/security/cve/CVE-2018-19961.html
- https://bugzilla.suse.com/1115040
- https://bugzilla.suse.com/1178658
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
- http://www.securityfocus.com/bid/106182
- https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
- https://support.citrix.com/article/CTX239432
- https://www.debian.org/security/2019/dsa-4369
- https://xenbits.xen.org/xsa/advisory-275.html