Fedora 35 FEDORA-2022-a0d7a5eaf2 Moderate Xen Flush And Retbleed

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

insufficient TLB flush for x86 PV guests in shadow mode [XSA-408,

CVE-2022-33745] ---- Retbleed - arbitrary speculative code execution with

return instructions [XSA-407, CVE-2022-23816, CVE-2022-23825, CVE-2022-29900]

* Tue Jul 26 2022 Michael Young - 4.15.3-4

- insufficient TLB flush for x86 PV guests in shadow mode [XSA-408,

CVE-2022-33745]

* Fri Jul 22 2022 Michael Young - 4.15.3-3

- Retbleed - arbitrary speculative code execution with return instructions

[XSA-407, CVE-2022-23816, CVE-2022-23825, CVE-2022-29900]

[ 1 ] Bug #2112222 - CVE-2022-33745 xen: insufficient TLB flush for x86 PV guests in shadow mode

https://bugzilla.redhat.com/show_bug.cgi?id=2112222

su -c 'dnf upgrade --advisory FEDORA-2022-a0d7a5eaf2' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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https://fedoraproject.org/security/

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