[ubuntu/focal-security] util-linux 2.34-0.1ubuntu9.3 (Accepted)

[Marc Deslauriers]

util-linux (2.34-0.1ubuntu9.3) focal-security; urgency=medium

  * SECURITY UPDATE: Unauthorized unmount of FUSE filesystems belonging to
    users with similar uid
    - debian/patches/CVE-2021-3995-1.patch: make sure mem2strcpy() buffer
      is zeroized in include/strutils.h.
    - debian/patches/CVE-2021-3995-2.patch: fix UID check for FUSE umount
      in libmount/src/context_umount.c, libmount/src/mountP.h,
      libmount/src/optstr.c.
    - CVE-2021-3995
  * SECURITY UPDATE: Unauthorized unmount in util-linux's libmount
    - debian/patches/CVE-2021-3996-1.patch: remove support for deleted
      mount table entries in libmount/src/tab_parse.c.
    - debian/patches/CVE-2021-3996-2.patch: update mountinfo files
      in tests/*.
    - CVE-2021-3996

Date: 2022-02-08 13:45:09.591412+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/util-linux/2.34-0.1ubuntu9.3
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