[ubuntu/impish-updates] libsepol 3.1-1ubuntu2.1 (Accepted)

[Ubuntu Archive Robot]

libsepol (3.1-1ubuntu2.1) impish-security; urgency=medium

  * SECURITY UPDATE: use-after-free in __cil_verify_classperms
    - debian/patches/CVE-2021-36084.patch: alter destruction of
      classperms list when resetting classpermission by avoiding
      deleting the inner data in cil/src/cil_reset_ast.c
    - CVE-2021-36084
  * SECURITY UPDATE: use-after-free in __cil_verify_classperms
    - debian/patches/CVE-2021-36085.patch: alter destruction of
      classperms when resetting a perm by avoiding
      deleting the inner data in cil/src/cil_reset_ast.c
    - CVE-2021-36085
  * SECURITY UPDATE: use-after-free in cil_reset_classpermission
    - debian/patches/CVE-2021-36086.patch: prevent 
      cil_reset_classperms_set from resetting classpermission by
      setting it to NULL in cil/src/cil_reset_ast.c
    - CVE-2021-36086
  * SECURITY UPDATE: heap-based buffer over-read in ebitmap_match_any
    - debian/patches/CVE-2021-36087.patch: check if a tunable
      declaration, in-statement, block, blockabstract, or macro definition
      is found within an optional in cil/src/cil_build_ast.c and 
      cil/src/cil_resolve_ast.c
    - CVE-2021-36087

Date: 2022-04-26 16:08:17.782951+00:00
Changed-By: David Fernandez Gonzalez <david.fernandezgonzalez at canonical.com>
Signed-By: Ubuntu Archive Robot <ubuntu-archive-robot at lists.canonical.com>
https://launchpad.net/ubuntu/+source/libsepol/3.1-1ubuntu2.1
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