High severity7.8NVD Advisory· Published Dec 12, 2017· Updated May 13, 2026
CVE-2017-17563
CVE-2017-17563
Description
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
9- xenbits.xen.org/xsa/advisory-249.htmlnvdMitigationPatchVendor Advisory
- www.openwall.com/lists/oss-security/2017/12/12/2nvdMailing List
- www.securityfocus.com/bid/102169nvd
- www.securitytracker.com/id/1040769nvd
- lists.debian.org/debian-lts-announce/2018/01/msg00003.htmlnvd
- lists.debian.org/debian-lts-announce/2018/10/msg00009.htmlnvd
- security.gentoo.org/glsa/201801-14nvd
- support.citrix.com/article/CTX232096nvd
- www.debian.org/security/2018/dsa-4112nvd
News mentions
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