File _patchinfo of Package patchinfo.26341

<patchinfo incident="26341">
  <issue tracker="bnc" id="1203807">VUL-0: EMBARGOED: CVE-2022-33748: xen: lock order inversion in transitive grant copy handling (XSA-411)</issue>
  <issue tracker="bnc" id="1200762">VUL-0: CVE-2022-26365,CVE-2022-33740,CVE-2022-33741,CVE-2022-33742: xen: Linux disk/nic frontends data leaks (XSA-403)</issue>
  <issue tracker="bnc" id="1203806">VUL-0: EMBARGOED: CVE-2022-33746: xen: P2M pool freeing may take excessively long (XSA-410)</issue>
  <issue tracker="bnc" id="1167608">[limit][xen][SR950] Trigger PV Guest Kernel Call Trace during VM maximum vcpu limits test</issue>
  <issue tracker="bnc" id="1027519">Xen: Missing upstream bug fixes</issue>
  <issue tracker="bnc" id="1197081">dom0 fails to boot with constrained vcpus and nodes</issue>
  <issue tracker="bnc" id="1201631">Xen domain failed to boot with more than 145 CPUs assigned</issue>
  <issue tracker="bnc" id="1201394">VUL-0: CVE-2022-33745: xen: insufficient TLB flush for x86 PV guests in shadow mode (XSA-408)</issue>
  <issue tracker="bnc" id="1185104">VUL-0: CVE-2021-28689: xen: x86: Speculative vulnerabilities with bare (non-shim) 32-bit PV guests (XSA-370)</issue>
  <issue tracker="cve" id="2022-33745"/>
  <issue tracker="cve" id="2022-33741"/>
  <issue tracker="cve" id="2022-33748"/>
  <issue tracker="cve" id="2022-33740"/>
  <issue tracker="cve" id="2022-26365"/>
  <issue tracker="cve" id="2022-33742"/>
  <issue tracker="cve" id="2021-28689"/>
  <issue tracker="cve" id="2022-33746"/>
  <packager>charlesa</packager>
  <rating>important</rating>
  <category>security</category>
  <summary>Security update for xen</summary>
  <description>This update for xen fixes the following issues:
                                                                                                                                                                          
  - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing (bsc#1203806).                                                                                     
  - CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807).
  - CVE-2022-26365: Fixed issue where Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (bsc#1200762).
  - CVE-2022-33740: Fixed issue where Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (bsc#1200762).
  - CVE-2022-33741: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend (bsc#1200762).
  - CVE-2022-33742: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend (bsc#1200762).
  - CVE-2022-33745: Fixed an insufficient TLB flush for x86 PV guests in shadow mode (bsc#1201394).
  - CVE-2021-28689: Fixed speculative vulnerabilities with bare (non-shim) 32-bit PV guests (bsc#1185104).

  Bugfixes:                                                                                                                                                               
                                                                                                                                                                          
  - Fixed logic error in built-in default of max_event_channels (bsc#1167608, bsc#1201631). 
  - Fixed issue where dom0 fails to boot with constrained vcpus and nodes (bsc#1197081).
  - Included upstream bugfixes (bsc#1027519).
</description>
</patchinfo>