Vulnerability · Published Nov 7, 2021 · Assigned by mitre

CVE-2021-43412

High 7.8

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.4%top 70.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in GNU Hurd before 0.9 20210404-9. libports accepts fake notification messages from any client on any port, which can lead to port use-after-free. This can be exploited for local privilege escalation to get full root access.

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References