Description
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html ↗
- https://xenbits.xen.org/xsa/advisory-240.html ↗
- https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html ↗
- https://www.debian.org/security/2017/dsa-4050 ↗
- https://www.exploit-db.com/exploits/43014/ ↗
- https://support.citrix.com/article/CTX228867 ↗
- https://security.gentoo.org/glsa/201801-14 ↗