*** This bug is a security vulnerability ***

Public security bug reported:

18.11.5 and 17.11.9 were released to fix a regression in the previous
security release.

>From changelog:
vhost: fix vring requests validation broken if no FD

** Affects: dpdk (Ubuntu)
     Importance: Undecided
     Assignee: Marc Deslauriers (mdeslaur)
         Status: Confirmed

** Affects: dpdk (Ubuntu Bionic)
     Importance: Undecided
     Assignee: Marc Deslauriers (mdeslaur)
         Status: Confirmed

** Affects: dpdk (Ubuntu Disco)
     Importance: Undecided
     Assignee: Marc Deslauriers (mdeslaur)
         Status: Confirmed

** Affects: dpdk (Ubuntu Eoan)
     Importance: Undecided
     Assignee: Marc Deslauriers (mdeslaur)
         Status: Confirmed

** Affects: dpdk (Ubuntu Focal)
     Importance: Undecided
     Assignee: Marc Deslauriers (mdeslaur)
         Status: Confirmed

** Also affects: dpdk (Ubuntu Disco)
   Importance: Undecided
       Status: New

** Also affects: dpdk (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: dpdk (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: dpdk (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Changed in: dpdk (Ubuntu Bionic)
       Status: New => Confirmed

** Changed in: dpdk (Ubuntu Disco)
       Status: New => Confirmed

** Changed in: dpdk (Ubuntu Eoan)
       Status: New => Confirmed

** Changed in: dpdk (Ubuntu Focal)
       Status: New => Confirmed

** Changed in: dpdk (Ubuntu Bionic)
     Assignee: (unassigned) => Marc Deslauriers (mdeslaur)

** Changed in: dpdk (Ubuntu Disco)
     Assignee: (unassigned) => Marc Deslauriers (mdeslaur)

** Changed in: dpdk (Ubuntu Eoan)
     Assignee: (unassigned) => Marc Deslauriers (mdeslaur)

** Changed in: dpdk (Ubuntu Focal)
     Assignee: (unassigned) => Marc Deslauriers (mdeslaur)

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https://bugs.launchpad.net/bugs/1853463

Title:
  Regression in USN-4189-1 security updates

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