CVE-2017-17563
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.
| Software | From | Fixed in |
|---|---|---|
| xen / xen | - | 4.9.1.x |
- http://www.openwall.com/lists/oss-security/2017/12/12/2
- http://www.securityfocus.com/bid/102169
- http://www.securitytracker.com/id/1040769
- https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
- https://security.gentoo.org/glsa/201801-14
- https://support.citrix.com/article/CTX232096
- https://www.debian.org/security/2018/dsa-4112
- https://xenbits.xen.org/xsa/advisory-249.html
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