CVE-2026-112322

Discovered by AISLEPUBLISHEDCWE-770

Description

clean_client() in lib/rpc/svc_auth_gssapi.c in MIT Kerberos 5 (aka krb5) restarts its scan from the head of the client list after each removal, resulting in quadratic CPU cost. Remote attackers can cause a denial of service (CPU consumption in kadmind) by accumulating a large number of AUTH_GSSAPI client entries.

CVSS Base Scores

CVSS v3.1(Primary)
7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersionStatus
Red HatRed Hat Enterprise Linux 10——
Red HatRed Hat Enterprise Linux 6——
Red HatRed Hat Enterprise Linux 7——
Red HatRed Hat Enterprise Linux 8——
Red HatRed Hat Enterprise Linux 9——
Red HatRed Hat Hardened Images——

Credits

  • This issue was discovered by Found by AISLE in partnership with Red Hat.

References