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Acknowledged

LIN1022-23199 : Security Advisory - krb5 - CVE-2021-36222

Created: Apr 28, 2026 Updated: Apr 30, 2026

Found In Version: 10.22.33.24

Severity: Standard

Applicable for: Wind River Linux LTS 22

Component/s: Userspace

Description

ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.

https://nvd.nist.gov/vuln/detail/CVE-2021-36222