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AlmaLinux 9 : sssd (ALSA-2026:42122)

high Nessus Plugin ID 329338

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42122 advisory.

 * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation (CVE-2026-14474)
 * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication bypass (CVE-2026-14476)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2026:42122

https://errata.almalinux.org/9/ALSA-2026-42122.html

Plugin Details

Severity: High

ID: 329338

File Name: alma_linux_ALSA-2026-42122.nasl

Version: 1.1

Type: Local

Published: 7/24/2026

Updated: 7/24/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.1

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-14474

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:alma:linux:9, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::baseos, cpe:/o:alma:linux:9::crb, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:libipa_hbac, p-cpe:/a:alma:linux:libsss_autofs, p-cpe:/a:alma:linux:libsss_certmap, p-cpe:/a:alma:linux:libsss_idmap, p-cpe:/a:alma:linux:libsss_nss_idmap, p-cpe:/a:alma:linux:libsss_simpleifp, p-cpe:/a:alma:linux:libsss_sudo, p-cpe:/a:alma:linux:python3-libipa_hbac, p-cpe:/a:alma:linux:python3-libsss_nss_idmap, p-cpe:/a:alma:linux:python3-sss-murmur, p-cpe:/a:alma:linux:python3-sss, p-cpe:/a:alma:linux:python3-sssdconfig, p-cpe:/a:alma:linux:sssd-ad, p-cpe:/a:alma:linux:sssd-client, p-cpe:/a:alma:linux:sssd-common-pac, p-cpe:/a:alma:linux:sssd-common, p-cpe:/a:alma:linux:sssd-dbus, p-cpe:/a:alma:linux:sssd-ipa, p-cpe:/a:alma:linux:sssd-kcm, p-cpe:/a:alma:linux:sssd-krb5-common, p-cpe:/a:alma:linux:sssd-krb5, p-cpe:/a:alma:linux:sssd-ldap, p-cpe:/a:alma:linux:sssd-nfs-idmap, p-cpe:/a:alma:linux:sssd-proxy, p-cpe:/a:alma:linux:sssd

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/20/2026

Vulnerability Publication Date: 7/7/2026

Reference Information

CVE: CVE-2026-14474, CVE-2026-14476

CWE: 1188, 23

RHSA: 2026:42122