CVE-2021-36087

Fixed in a distro release EPSS <1%

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.

Published 2021-07-01 · CVE record · OSV

Products: Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP, Siemens RUGGEDCOM ROX MX5000, Siemens RUGGEDCOM ROX MX5000RE, Siemens RUGGEDCOM ROX RX1400, Siemens RUGGEDCOM ROX RX1500, Siemens RUGGEDCOM ROX RX1501, Siemens RUGGEDCOM ROX RX1510, Siemens RUGGEDCOM ROX RX1511, Siemens RUGGEDCOM ROX RX1512, Siemens RUGGEDCOM ROX RX1524, Siemens RUGGEDCOM ROX RX1536, Siemens RUGGEDCOM ROX RX5000

Distro releases