Fedora 35: 2022-420bf9fc1e Moderate: Xen DoS & Frontend Issues

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

frontends vulnerable to backends [XSA-376] (document change only) arm:

guest_physmap_remove_page not removing the p2m mappings [XSA-393,

CVE-2022-23033] (#2045044) A PV guest could DoS Xen while unmapping a grant

[XSA-394, CVE-2022-23034] (#2045042) Insufficient cleanup of passed-through

device IRQs [XSA-395, CVE-2022-23035] (#2045040)

* Tue Jan 25 2022 Michael Young - 4.15.1-5

- frontends vulnerable to backends [XSA-376] (document change only)

- arm: guest_physmap_remove_page not removing the p2m mappings [XSA-393,

CVE-2022-23033] (#2045044)

- A PV guest could DoS Xen while unmapping a grant [XSA-394, CVE-2022-23034]

(#2045042)

- Insufficient cleanup of passed-through device IRQs [XSA-395,

CVE-2022-23035] (#2045040)

[ 1 ] Bug #2045039 - CVE-2022-23035 xen: Insufficient cleanup of passed-through device IRQs (XSA-395)

https://bugzilla.redhat.com/show_bug.cgi?id=2045039

[ 2 ] Bug #2045041 - CVE-2022-23034 xen: A PV guest could DoS Xen while unmapping a grant (XSA-394)

https://bugzilla.redhat.com/show_bug.cgi?id=2045041

[ 3 ] Bug #2045043 - CVE-2022-23033 xen: arm: guest_physmap_remove_page not removing the p2m mappings (XSA-393)

https://bugzilla.redhat.com/show_bug.cgi?id=2045043

su -c 'dnf upgrade --advisory FEDORA-2022-420bf9fc1e' at the command

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

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

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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