Xen x86 Race Condition Use-After-Free (XSA-345)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by an issue allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-fr...

SUSE SLES12 Security Update : xen (SUSE-SU-2020:3088-1)

This update for xen fixes the following issues : bsc1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries XSA-286 bsc1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code XSA-345 bsc1177413 - VUL-0: CVE-2020-27671: xen: undue deferra...

SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2020:3049-1)

This update for xen fixes the following issues : bsc1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries XSA-286 bsc1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code XSA-345 bsc1177413 - VUL-0: CVE-2020-27671: xen: undue deferra...

SUSE SLES12 Security Update : xen (SUSE-SU-2020:3631-1)

This update for xen fixes the following issues : bsc1178963 - stack corruption from XSA-346 change XSA-355 bsc1177409 - CVE-2020-27674: x86 PV guest INVLPG-like flushes may leave stale TLB entries XSA-286 bsc1177412 - CVE-2020-27672: Race condition in Xen mapping code XSA-345 bsc1177413 -...

SUSE SLES12 Security Update : xen (SUSE-SU-2020:3050-1)

This update for xen fixes the following issues : bsc1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries XSA-286 bsc1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code XSA-345 bsc1177413 - VUL-0: CVE-2020-27671: xen: undue deferra...

Fedora 31 : xen (2020-6dd36a716c)

revised patch for XSA-286 mitigating performance impact ---- x86 PV guest INVLPG-like flushes may leave stale TLB entries XSA-286, CVE-2020-27674 1891092 ---- x86: Race condition in Xen mapping code XSA-345 undue deferral of IOMMU TLB flushes XSA-346 unsafe AMD IOMMU page table updates XSA-347 No...

Fedora 33 : xen (2020-97775b4234)

x86: Race condition in Xen mapping code XSA-345 undue deferral of IOMMU TLB flushes XSA-346 unsafe AMD IOMMU page table updates XSA-347 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to...