Description
A flaw in the PCP linux_sockets module exposes an unsecured internal connection. An attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root.
References10
- access.redhat.com/errata/RHSA-2026:55560
- access.redhat.com/errata/RHSA-2026:55617
- access.redhat.com/errata/RHSA-2026:55740
- access.redhat.com/errata/RHSA-2026:72272
- access.redhat.com/errata/RHSA-2026:72273
- access.redhat.com/errata/RHSA-2026:72593
- access.redhat.com/errata/RHSA-2026:72594
- access.redhat.com/errata/RHSA-2026:73767
- access.redhat.com/errata/RHSA-2026:74612
- access.redhat.com/errata/RHSA-2026:74613
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 48 · as of 13 November 2026
- CWE
- CWE-403
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.