Vulnerability-Lookup

SUSE-SU-2026:1872-1

Vulnerability from csaf_suse - Published: 2026-05-15 15:22 - Updated: 2026-05-15 15:22

Summary

Security update for firewalld

Severity

Moderate

Notes

Title of the patch: Security update for firewalld

Description of the patch: This update for firewalld fixes the following issue: - CVE-2026-4948: local unprivileged users can modify the runtime firewall state without proper authentication due to D-Bus setter mis-authorizations (bsc#1260903).

Patchnames: SUSE-2026-1872,SUSE-SLE-Module-Basesystem-15-SP7-2026-1872,SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-1872,SUSE-SLE-Module-Development-Tools-15-SP7-2026-1872,SUSE-SLE-Module-Python3-15-SP7-2026-1872

CVE-2026-4948

5.5 (Medium)


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

Affected products

Recommended 9 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-2.0.1-150600.3.15.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-bash-completion-2.0.1-150600.3.15.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-lang-2.0.1-150600.3.15.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-zsh-completion-2.0.1-150600.3.15.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP7:python3-firewall-2.0.1-150600.3.15.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Desktop Applications 15 SP7:firewall-applet-2.0.1-150600.3.15.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Desktop Applications 15 SP7:firewall-config-2.0.1-150600.3.15.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Development Tools 15 SP7:firewall-macros-2.0.1-150600.3.15.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Python 3 15 SP7:python311-firewall-2.0.1-150600.3.15.1.noarch	—	Vendor Fix

Threats

Impact moderate

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-updates/2026…	self
https://bugzilla.suse.com/1260903	self
https://www.suse.com/security/cve/CVE-2026-4948/	self
https://www.suse.com/security/cve/CVE-2026-4948	external
https://bugzilla.suse.com/1260903	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
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      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
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      }
    },
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    "notes": [
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        "text": "Security update for firewalld",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for firewalld fixes the following issue:\n\n- CVE-2026-4948: local unprivileged users can modify the runtime firewall state without proper authentication due to\n  D-Bus setter mis-authorizations (bsc#1260903).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2026-1872,SUSE-SLE-Module-Basesystem-15-SP7-2026-1872,SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-1872,SUSE-SLE-Module-Development-Tools-15-SP7-2026-1872,SUSE-SLE-Module-Python3-15-SP7-2026-1872",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
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      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
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        "category": "external",
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        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
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      },
      {
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      },
      {
        "category": "self",
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      },
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        "category": "self",
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        "url": "https://bugzilla.suse.com/1260903"
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        "url": "https://www.suse.com/security/cve/CVE-2026-4948/"
      }
    ],
    "title": "Security update for firewalld",
    "tracking": {
      "current_release_date": "2026-05-15T15:22:46Z",
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      "id": "SUSE-SU-2026:1872-1",
      "initial_release_date": "2026-05-15T15:22:46Z",
      "revision_history": [
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          "date": "2026-05-15T15:22:46Z",
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              },
              {
                "category": "product_version",
                "name": "firewalld-bash-completion-2.0.1-150600.3.15.1.noarch",
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              {
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              {
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                }
              },
              {
                "category": "product_version",
                "name": "firewalld-zsh-completion-2.0.1-150600.3.15.1.noarch",
                "product": {
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              },
              {
                "category": "product_version",
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                  "product_id": "python311-firewall-2.0.1-150600.3.15.1.noarch"
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              }
            ],
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          {
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              {
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    ],
    "relationships": [
      {
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        "product_reference": "firewalld-2.0.1-150600.3.15.1.noarch",
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      {
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      },
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        "category": "default_component_of",
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        },
        "product_reference": "python311-firewall-2.0.1-150600.3.15.1.noarch",
        "relates_to_product_reference": "SUSE Linux Enterprise Module for Python 3 15 SP7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-4948",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-4948"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in firewalld. A local unprivileged user can exploit this vulnerability by mis-authorizing two runtime D-Bus (Desktop Bus) setters, setZoneSettings2 and setPolicySettings. This mis-authorization allows the user to modify the runtime firewall state without proper authentication, leading to unauthorized changes in network security configurations.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-2.0.1-150600.3.15.1.noarch",
          "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-bash-completion-2.0.1-150600.3.15.1.noarch",
          "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-lang-2.0.1-150600.3.15.1.noarch",
          "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-zsh-completion-2.0.1-150600.3.15.1.noarch",
          "SUSE Linux Enterprise Module for Basesystem 15 SP7:python3-firewall-2.0.1-150600.3.15.1.noarch",
          "SUSE Linux Enterprise Module for Desktop Applications 15 SP7:firewall-applet-2.0.1-150600.3.15.1.noarch",
          "SUSE Linux Enterprise Module for Desktop Applications 15 SP7:firewall-config-2.0.1-150600.3.15.1.noarch",
          "SUSE Linux Enterprise Module for Development Tools 15 SP7:firewall-macros-2.0.1-150600.3.15.1.noarch",
          "SUSE Linux Enterprise Module for Python 3 15 SP7:python311-firewall-2.0.1-150600.3.15.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-4948",
          "url": "https://www.suse.com/security/cve/CVE-2026-4948"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1260903 for CVE-2026-4948",
          "url": "https://bugzilla.suse.com/1260903"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-bash-completion-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-lang-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-zsh-completion-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:python3-firewall-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Desktop Applications 15 SP7:firewall-applet-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Desktop Applications 15 SP7:firewall-config-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Development Tools 15 SP7:firewall-macros-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Python 3 15 SP7:python311-firewall-2.0.1-150600.3.15.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-bash-completion-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-lang-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:firewalld-zsh-completion-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Basesystem 15 SP7:python3-firewall-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Desktop Applications 15 SP7:firewall-applet-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Desktop Applications 15 SP7:firewall-config-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Development Tools 15 SP7:firewall-macros-2.0.1-150600.3.15.1.noarch",
            "SUSE Linux Enterprise Module for Python 3 15 SP7:python311-firewall-2.0.1-150600.3.15.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-15T15:22:46Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-4948"
    }
  ]
}

CVE-2026-4948 (GCVE-0-2026-4948)

Vulnerability from cvelistv5 – Published: 2026-03-27 05:30 – Updated: 2026-09-16 12:13

Title

Firewalld: firewalld: local unprivileged user can modify firewall state due to d-bus setter mis-authorization

Summary

A flaw was found in firewalld. A local unprivileged user can exploit this vulnerability by mis-authorizing two runtime D-Bus (Desktop Bus) setters, setZoneSettings2 and setPolicySettings. This mis-authorization allows the user to modify the runtime firewall state without proper authentication, leading to unauthorized changes in network security configurations.

Severity

5.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-27 11:21 UTC

CWE

CWE-279 - Incorrect Execution-Assigned Permissions

Assigner

redhat redhat root

References

6 references

URL	Tags
https://access.redhat.com/errata/RHBA-2026:28238	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67585	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:67843	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-4948	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2452086	issue-trackingx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2026…

Impacted products

6 products

Vendor	Product	Version
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:2.4.2-1.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:2.3.1-1.el10_0.1 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.3.4-20.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat OpenShift Container Platform 4	cpe:/a:redhat:openshift:4

Date Public

2026-03-27 00:00

Credits

Red Hat would like to thank Asim Viladi Oglu Manizada for reporting this issue.

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.