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rsync: Fix of 5 CVEs

Type: advisorySources: OSV

- CVE-2026-29518: re-implement the "use chroot = no" confinement after the centos7els fix: every path operation proves its parent directory beneath the pinned module root through /proc/self/fd and runs on it with the *at() calls. In-module symlinks, directories the daemon uid may search but not read, -L/-K and --link-dest=../dir keep working; xattrs, ACLs and timestamps are confined too. Drop CVE-2026-29518-2.patch - CVE-2026-43619: chmod no longer follows a leaf symlink; CVE-2026-29518: confined calls act on the resolved object with O_NOFOLLOW - CVE-2026-29518: anchor the receiver's basis open at the pinned working directory and prove it beneath the module, not beneath a root resolved by name - CVE-2026-53784, CVE-2026-53786, CVE-2026-53793: re-anchor on the re-implemented CVE-2026-29518 confinement

Products
rsync
Affected versions
Not specified
Fixed versions
3.0.6-12.el6.tuxcare.els12
CVEs
CVE-2026-29518, CVE-2026-43619, CVE-2026-53784, CVE-2026-53786, CVE-2026-53793
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:27 UTC · Revision 1

Source evidence

rsync: Fix of 5 CVEs

core-osv · Original source

Published 13 Oct 2026, 16:56 UTC

- CVE-2026-29518: re-implement the "use chroot = no" confinement after the centos7els fix: every path operation proves its parent directory beneath the pinned module root through /proc/self/fd and runs on it with the *at() calls. In-module symlinks, directories the daemon uid may search but not read, -L/-K and --link-dest=../dir keep working; xattrs, ACLs and timestamps are confined too. Drop CVE-2026-29518-2.patch - CVE-2026-43619: chmod no longer follows a leaf symlink; CVE-2026-29518: confined calls act on the resolved object with O_NOFOLLOW - CVE-2026-29518: anchor the receiver's basis open at the pinned working directory and prove it beneath the module, not beneath a root resolved by name - CVE-2026-53784, CVE-2026-53786, CVE-2026-53793: re-anchor on the re-implemented CVE-2026-29518 confinement

osv:CLSA-2026-1791907584

rsync

Fixed versions: 3.0.6-12.el6.tuxcare.els12

Complete source record
{
  "id": "ca2eed06693fbbc021e9d25d5905ed6351cac6d6e4f7eec036d7f9fe872efb6a",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1791907584",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rsync: Fix of 5 CVEs",
    "summary": "- CVE-2026-29518: re-implement the \"use chroot = no\" confinement after the centos7els fix: every path operation proves its parent directory beneath the pinned module root through /proc/self/fd and runs on it with the *at() calls. In-module symlinks, directories the daemon uid may search but not read, -L/-K and --link-dest=../dir keep working; xattrs, ACLs and timestamps are confined too. Drop CVE-2026-29518-2.patch - CVE-2026-43619: chmod no longer follows a leaf symlink; CVE-2026-29518: confined calls act on the resolved object with O_NOFOLLOW - CVE-2026-29518: anchor the receiver's basis open at the pinned working directory and prove it beneath the module, not beneath a root resolved by name - CVE-2026-53784, CVE-2026-53786, CVE-2026-53793: re-anchor on the re-implemented CVE-2026-29518 confinement",
    "evidence": "osv:CLSA-2026-1791907584",
    "products": [
      {
        "name": {
          "value": "rsync",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.6-12.el6.tuxcare.els12",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1791907584",
      "aliases": [
        "CLSA-2026-1791907584"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.6-12.el6.tuxcare.els12"
                }
              ]
            }
          ],
          "package": {
            "name": "rsync",
            "purl": "pkg:rpm/tuxcare/rsync?distro=oraclelinux-6",
            "ecosystem": "TuxCare:OracleLinux:6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1791907584.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:54.705874524Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-29518",
        "CVE-2026-43619",
        "CVE-2026-53784",
        "CVE-2026-53786",
        "CVE-2026-53793"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/oraclelinux6els/CLSA-2026-1791907584.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-29518",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-43619",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53784",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53786",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-53793",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 448935,
  "published_at": "2026-10-13T16:56:35+00:00"
}