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Critical severity9.1NVD Advisory· Published Apr 29, 2020· Updated Jun 17, 2026

CVE-2020-7452

CVE-2020-7452

Description

In FreeBSD 12.1-STABLE before r357490, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r357489, and 11.3-RELEASE before 11.3-RELEASE-p7, incorrect use of a user-controlled pointer in the epair virtual network module allowed vnet jailed privileged users to panic the host system and potentially execute arbitrary code in the kernel.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

12
  • FreeBSD/FreeBSD11 versions
    cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*+ 10 more
    • cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*
    • (no CPE)range: <12.1-RELEASE-p3, <11.3-RELEASE-p7
  • FreeBSD/FreeBSDdescription

Patches

Vulnerability mechanics

References

1

News mentions

0

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