CVE-2021-36087

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.
Configurations

Configuration 1 (hide)

cpe:2.3:o:selinux_project:selinux:3.2:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

History

07 Nov 2023, 03:36

Type Values Removed Values Added
References
  • {'url': 'https://lore.kernel.org/selinux/CAEN2sdqJKHvDzPnxS-J8grU8fSf32DDtx=kyh84OsCq_Vm+yaQ@mail.gmail.com/T/', 'name': 'https://lore.kernel.org/selinux/CAEN2sdqJKHvDzPnxS-J8grU8fSf32DDtx=kyh84OsCq_Vm+yaQ@mail.gmail.com/T/', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/', 'name': 'FEDORA-2021-67efe88c29', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/ -
  • () https://lore.kernel.org/selinux/CAEN2sdqJKHvDzPnxS-J8grU8fSf32DDtx=kyh84OsCq_Vm+yaQ%40mail.gmail.com/T/ -

Information

Published : 2021-07-01 03:15

Updated : 2024-02-28 18:28


NVD link : CVE-2021-36087

Mitre link : CVE-2021-36087

CVE.ORG link : CVE-2021-36087


JSON object : View

Products Affected

selinux_project

  • selinux

fedoraproject

  • fedora
CWE
CWE-125

Out-of-bounds Read