CVE-2026-16526

Pcp: pcp: privilege escalation to root via linux_sockets pmda vulnerability

En bref

Sévérité: HIGH 8.8
EPSS: EPSS 0.57 % · centile 47 (2026-10-27)
État: PUBLISHED
Publiée: 2026-07-30
Mise à jour: 2026-10-01
Attribuée par: redhat
Statut NVD: Awaiting Analysis

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.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	redhat
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · secalert@redhat.com (Secondary)

Faiblesses (CWE)

CWE-403

Références européennes

ENISA EUVD · EUVD-2026-50971
GCVE · GCVE-0-2026-16526

Avis du CERT-FR

CERTFR-2026-AVI-1256 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr

Produits affectés

Produit	Versions
Red Hat · Red Hat Enterprise Linux 10	unaffected 0:7.0.3-5.el10_2 < *
Red Hat · Red Hat Enterprise Linux 10.0 Extended Update Support	unaffected 0:6.3.7-1.el10_0.1 < *
Red Hat · Red Hat Enterprise Linux 8	unaffected 0:5.3.7-22.el8_10.5 < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	unaffected 0:5.2.5-8.el8_4.1 < *
Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	unaffected 0:5.2.5-8.el8_4.1 < *
Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	unaffected 0:5.3.5-10.el8_6.1 < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On	unaffected 0:5.3.5-10.el8_6.1 < *
Red Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update Service	unaffected 0:5.3.7-19.el8_8.1 < *
Red Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	unaffected 0:5.3.7-19.el8_8.1 < *
Red Hat · Red Hat Enterprise Linux 9	unaffected 0:6.3.7-8.el9_8.4 < *
Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	unaffected 0:6.0.1-8.el9_2.2 < *
Red Hat · Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	unaffected 0:6.2.0-5.el9_4.2 < *
Red Hat · Red Hat Enterprise Linux 9.6 Extended Update Support	unaffected 0:6.3.7-1.el9_6.1 < *
Red Hat · Red Hat Enterprise Linux 6
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat OpenShift Container Platform 4

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD