CVE-2020-27671
An issue was discovered in Xen through 4.14.x allowing x86 HVM and PVH guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because coalescing of per-page IOMMU TLB flushes is mishandled.
| Software | From | Fixed in |
|---|---|---|
| xen / xen | 4.2.0 | 4.14.0.x |
| opensuse / leap | 15.1 | 15.1.x |
| opensuse / leap | 15.2 | 15.2.x |
| debian / debian_linux | 10.0 | 10.0.x |
| fedoraproject / fedora | 31 | 31.x |
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html
- http://www.openwall.com/lists/oss-security/2021/01/19/8
- http://xenbits.xen.org/xsa/advisory-346.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/
- https://security.gentoo.org/glsa/202011-06
- https://www.debian.org/security/2020/dsa-4804
- https://xenbits.xen.org/xsa/advisory-346.html
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