CVE-2021-36087
Low
Description
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.
SeverityLow
CVSS3.3
Exploit probability—
Product
Selinux
PublishedJul 1, 2021
First seenJul 1, 2021
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| selinux_project selinux | 3.2 | — |
| fedoraproject fedora | 35 | — |
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