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gvfs: Fix of CVE-2026-88924

Type: advisorySources: OSV

- Fix CVE-2026-88924: gvfsd-admin changed the ownership of its D-Bus socket with a link-following chown() after creating it in a user-controlled directory, allowing a local user to take ownership of arbitrary root-owned files; set the filesystem UID before creating the socket instead (upstream 371909dd)

Products
gvfs, gvfs-client, gvfs-devel, gvfs-fuse, gvfs-goa, gvfs-gphoto2, gvfs-mtp, gvfs-smb, gvfs-tests
Affected versions
Not specified
Fixed versions
1.48.1-6.el9_6.tuxcare.els1
CVEs
CVE-2026-88924
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 10:51 UTC · Revision 1

Source evidence

gvfs: Fix of CVE-2026-88924

core-osv · Original source

Published 16 Oct 2026, 16:01 UTC

- Fix CVE-2026-88924: gvfsd-admin changed the ownership of its D-Bus socket with a link-following chown() after creating it in a user-controlled directory, allowing a local user to take ownership of arbitrary root-owned files; set the filesystem UID before creating the socket instead (upstream 371909dd)

osv:CLSA-2026-1792166468

gvfs

Fixed versions: 1.48.1-6.el9_6.tuxcare.els1

gvfs-client

Fixed versions: 1.48.1-6.el9_6.tuxcare.els1

gvfs-devel

Fixed versions: 1.48.1-6.el9_6.tuxcare.els1

gvfs-fuse

Fixed versions: 1.48.1-6.el9_6.tuxcare.els1

gvfs-goa

Fixed versions: 1.48.1-6.el9_6.tuxcare.els1

gvfs-gphoto2

Fixed versions: 1.48.1-6.el9_6.tuxcare.els1

gvfs-mtp

Fixed versions: 1.48.1-6.el9_6.tuxcare.els1

gvfs-smb

Fixed versions: 1.48.1-6.el9_6.tuxcare.els1

gvfs-tests

Fixed versions: 1.48.1-6.el9_6.tuxcare.els1

Complete source record
{
  "id": "ab9f061fa9471fb923fb6a2d81cc6cead3fdef1652d4e6936e98da9980496877",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1792166468",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "gvfs: Fix of CVE-2026-88924",
    "summary": "- Fix CVE-2026-88924: gvfsd-admin changed the ownership of its D-Bus socket with a link-following chown() after creating it in a user-controlled directory, allowing a local user to take ownership of arbitrary root-owned files; set the filesystem UID before creating the socket instead (upstream 371909dd)",
    "evidence": "osv:CLSA-2026-1792166468",
    "products": [
      {
        "name": {
          "value": "gvfs",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.48.1-6.el9_6.tuxcare.els1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "gvfs-client",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.48.1-6.el9_6.tuxcare.els1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "gvfs-devel",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.48.1-6.el9_6.tuxcare.els1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "gvfs-fuse",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.48.1-6.el9_6.tuxcare.els1",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "gvfs-goa",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.48.1-6.el9_6.tuxcare.els1",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "gvfs-gphoto2",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.48.1-6.el9_6.tuxcare.els1",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "gvfs-mtp",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.48.1-6.el9_6.tuxcare.els1",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "gvfs-smb",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.48.1-6.el9_6.tuxcare.els1",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "gvfs-tests",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.48.1-6.el9_6.tuxcare.els1",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1792166468",
      "aliases": [
        "CLSA-2026-1792166468"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.48.1-6.el9_6.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "gvfs",
            "purl": "pkg:rpm/tuxcare/gvfs?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792166468.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.48.1-6.el9_6.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "gvfs-client",
            "purl": "pkg:rpm/tuxcare/gvfs-client?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792166468.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.48.1-6.el9_6.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "gvfs-devel",
            "purl": "pkg:rpm/tuxcare/gvfs-devel?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792166468.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.48.1-6.el9_6.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "gvfs-fuse",
            "purl": "pkg:rpm/tuxcare/gvfs-fuse?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792166468.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.48.1-6.el9_6.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "gvfs-goa",
            "purl": "pkg:rpm/tuxcare/gvfs-goa?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792166468.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.48.1-6.el9_6.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "gvfs-gphoto2",
            "purl": "pkg:rpm/tuxcare/gvfs-gphoto2?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792166468.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.48.1-6.el9_6.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "gvfs-mtp",
            "purl": "pkg:rpm/tuxcare/gvfs-mtp?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792166468.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.48.1-6.el9_6.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "gvfs-smb",
            "purl": "pkg:rpm/tuxcare/gvfs-smb?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792166468.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.48.1-6.el9_6.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "gvfs-tests",
            "purl": "pkg:rpm/tuxcare/gvfs-tests?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792166468.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:19.198890325Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-88924"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1792166468.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-88924"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-88924",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447589,
  "published_at": "2026-10-16T16:01:18+00:00"
}