CVE-2026-91142

Description

A flaw was found in Cockpit. An authenticated local user with a large user identifier (UID) can cause unauthorized modification and disclosure of login records. On 32-bit systems, an integer overflow during session accounting allows the user's login process to read or overwrite the legacy log entries of other accounts.

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Produits concernés

• Red Hat Enterprise Linux 10
• Red Hat Enterprise Linux 7
• Red Hat Enterprise Linux 8
• Red Hat Enterprise Linux 9
• Red Hat OpenShift Dev Spaces

Scores CVSS

Faiblesses (CWE)

• CWE-190

Références

• https://access.redhat.com/security/cve/CVE-2026-91142
• https://bugzilla.redhat.com/show_bug.cgi?id=2479459

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories