CVE-2026-16526

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

HIGH 8.8

En bref

Source: NVD
EPSS: EPSS 0.57 % · centile 47 (2026-10-28)
État: PUBLISHED
Publiée: 2026-07-30 05:20 UTC
Mise à jour: 2026-10-01 23:22 UTC
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.

Faiblesses (CWE)

CWE-403

Références

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)

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

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