Public bug reported:

Today [XSA 371](http://xenbits.xen.org/xsa/advisory-371.html) was published 
which contain a security patch for a commit which is included in proposed 
5.4.0-71.
The [Patch](http://xenbits.xen.org/xsa/xsa371-linux.patch) is only 1 line maybe 
you can add this security fix to 5.4.0-71 release.
Thank you in advance.

Original Commit:
XSA-365: xen-blkback: fix error handling in xen_blkbk_map()

New commit with security fix:
XSA-371: xen-blkback: don't leak persistent grants from xen_blkbk_map()

See
- http://xenbits.xen.org/xsa/advisory-371.html
- http://xenbits.xen.org/xsa/xsa371-linux.patch
- http://xenbits.xen.org/xsa/advisory-365.html
- http://xenbits.xen.org/xsa/xsa365-linux.patch

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Summary changed:

- Securit-Fix Xen XSA 371 for Kernel 5.4.0-71
+ Security-Fix Xen XSA 371 for Kernel 5.4.0-71

** Description changed:

  Today [XSA 371](http://xenbits.xen.org/xsa/advisory-371.html) was published 
which contain a security patch for a commit which is included in proposed 
5.4.0-71.
  The [Patch](http://xenbits.xen.org/xsa/xsa371-linux.patch) is only 1 line 
maybe you can add this security fix to 5.4.0-71 release.
  Thank you in advance.
+ 
+ Original Commit:
+ XSA-365: xen-blkback: fix error handling in xen_blkbk_map()
+ 
+ New commit with security fix:
+ XSA-371: xen-blkback: don't leak persistent grants from xen_blkbk_map()
+ 
+ See
+ - http://xenbits.xen.org/xsa/advisory-371.html
+ - http://xenbits.xen.org/xsa/xsa371-linux.patch
+ - http://xenbits.xen.org/xsa/advisory-365.html
+ - http://xenbits.xen.org/xsa/xsa365-linux.patch

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https://bugs.launchpad.net/bugs/1921902

Title:
  Security-Fix Xen XSA 371 for Kernel 5.4.0-71

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