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Fedora 35: 2022-99af00f60e Critical: Xenstore Memory Management Issues

fedora
Calendar Grey November 16, 2022
Dist Fedora Esm H88
Critical updates for Fedora's Xen virtual machine monitor address memory management and guest access issues.
Xenstore: Guests can crash xenstored [XSA-414, CVE-2022-42309] Xenstore: Guests can create orphaned Xenstore nodes [XSA-415, CVE-2022-42310] Xenstore: guests can let run xenstored ...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

Xenstore: Guests can crash xenstored [XSA-414, CVE-2022-42309] Xenstore: Guests

can create orphaned Xenstore nodes [XSA-415, CVE-2022-42310] Xenstore: guests

can let run xenstored out of memory [XSA-326, CVE-2022-42311, CVE-2022-42312,

CVE-2022-42313, CVE-2022-42314, CVE-2022-42315, CVE-2022-42316, CVE-2022-42317,

CVE-2022-42318] Xenstore: Guests can cause Xenstore to not free temporary memory

[XSA-416, CVE-2022-42319] Xenstore: Guests can get access to Xenstore nodes of

deleted domains [XSA-417, CVE-2022-42320] Xenstore: Guests can crash xenstored

via exhausting the stack [XSA-418, CVE-2022-42321] Xenstore: Cooperating guests

can create arbitrary numbers of nodes [XSA-419, CVE-2022-42322, CVE-2022-42323]

Oxenstored 32->31 bit integer truncation issues [XSA-420, CVE-2022-42324]

Xenstore: Guests can create arbitrary number of nodes via transactions [XSA-421,

CVE-2022-42325, CVE-2022-42326] ---- add patch to fix an incorrect backport

Arm: unbounded memory consumption for 2nd-level page tables [XSA-409,

CVE-2022-33747] (#2135268) P2M pool freeing may take excessively long [XSA-410,

CVE-2022-33746] (#2135641) lock order inversion in transitive grant copy

handling [XSA-411, CVE-2022-33748] (#2135263)

* Tue Nov 1 2022 Michael Young - 4.15.3-7

- Xenstore: Guests can crash xenstored [XSA-414, CVE-2022-42309]

- Xenstore: Guests can create orphaned Xenstore nodes [XSA-415,

CVE-2022-42310]

- Xenstore: guests can let run xenstored out of memory [XSA-326,

CVE-2022-42311, CVE-2022-42312, CVE-2022-42313, CVE-2022-42314,

CVE-2022-42315, CVE-2022-42316, CVE-2022-42317, CVE-2022-42318]

- Xenstore: Guests can cause Xenstore to not free temporary memory

[XSA-416, CVE-2022-42319]

- Xenstore: Guests can get access to Xenstore nodes of deleted domains

[XSA-417, CVE-2022-42320]

- Xenstore: Guests can crash xenstored via exhausting the stack

[XSA-418, CVE-2022-42321]

- Xenstore: Cooperating guests can create arbitrary numbers of nodes

[XSA-419, CVE-2022-42322, CVE-2022-42323]

- Oxenstored 32->31 bit integer truncation issues [XSA-420, CVE-2022-42324]

- Xenstore: Guests can create arbitrary number of nodes via transactions

[XSA-421, CVE-2022-42325, CVE-2022-42326]

* Tue Oct 18 2022 Michael Young - 4.15.3-6

- add patch to fix an incorrect backport

* Tue Oct 18 2022 Michael Young - 4.15.3-5

- Arm: unbounded memory consumption for 2nd-level page tables [XSA-409,

CVE-2022-33747] (#2135268)

- P2M pool freeing may take excessively long [XSA-410, CVE-2022-33746]

(#2135641)

- lock order inversion in transitive grant copy handling [XSA-411,

CVE-2022-33748] (#2135263)

[ 1 ] Bug #2135262 - CVE-2022-33748 xen: lock order inversion in transitive grant copy handling

https://bugzilla.redhat.com/show_bug.cgi?id=2135262

[ 2 ] Bug #2135267 - CVE-2022-33747 xen: unbounded memory consumption for 2nd-level page tables

https://bugzilla.redhat.com/show_bug.cgi?id=2135267

[ 3 ] Bug #2135640 - CVE-2022-33746 xen: P2M pool freeing may take excessively long

https://bugzilla.redhat.com/show_bug.cgi?id=2135640

su -c 'dnf upgrade --advisory FEDORA-2022-99af00f60e' 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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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
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Critical

Product: Fedora 35
Version: 4.15.3
Release: 7.fc35
Summary: Xen is a virtual machine monitor

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