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CVE-2021-36087

Low priority

Some fixes available 4 of 6

The CIL compiler in SELinux 3.2 has a heap-based buffer over-read in ebitmap_match_any (called indirectly from cil_check_neverallow). This occurs because there is sometimes a lack of checks for invalid statements in an optional block.

1 affected package

libsepol

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
libsepol Not affected Fixed Fixed Fixed
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CVE-2021-36086

Low priority

Some fixes available 3 of 5

The CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_classperms_set and cil_reset_classperms_list).

1 affected package

libsepol

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
libsepol Not affected Fixed Fixed Not affected
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CVE-2021-36085

Low priority

Some fixes available 4 of 6

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map).

1 affected package

libsepol

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
libsepol Not affected Fixed Fixed Fixed
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CVE-2021-36084

Low priority

Some fixes available 4 of 6

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).

1 affected package

libsepol

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
libsepol Not affected Fixed Fixed Fixed
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