Vulnerability · Published Apr 28, 2020 · Assigned by freebsd

CVE-2020-7452

Critical 9.1

In plain English

A critical-severity security flaw in FreeBSD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities).

Severity (CVSS NVD)9.1Critical

Exploit odds (30 days)1.8%top 21.0% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	FreeBSD	12.1-STABLE before r357490, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r357489, 11.3-RELEASE before 11.3-RELEASE-p7

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:07.epair.asc x_refsource_CONFIRM