rlsa-2026:93461

{
  "affected": [
    {
      "database_specific": {
        "source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:93461.json"
      },
      "package": {
        "ecosystem": "Rocky Linux:10",
        "name": "util-linux",
        "purl": "pkg:rpm/rocky-linux/util-linux?distro=rocky-linux-10&epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "BaseOS"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:2.40.2-18.el10_2.20"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "database_specific": {
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:93461"
  },
  "details": "The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program.\n\nSecurity Fix(es):\n\n* util-linux: TOCTOU in the mount program when setting up loop devices (CVE-2026-27456)\n\n* util-linux: util-linux: heap use-after-free in libblkid nested partition probing (CVE-2026-13595)\n\n* util-linux: TOCTOU in the mount program via ancestor directory swap on target path (CVE-2026-53613)\n\n* util-linux: util-linux: TOCTOU in the mount program when applying post-mount ownership/mode changes (CVE-2026-53612)\n\n* util-linux: util-linux: SUID mount(8) allows nosuid/noexec bypass via LIBMOUNT_FORCE_MOUNT2 (CVE-2026-53614)\n\n* util-linux: util-linux: failed external mount helper still runs privileged X-mount post-hooks (CVE-2026-76642)\n\n* util-linux: util-linux: nsenter --join-cgroup leaks root cgroup migration authority (CVE-2026-78408)\n\n* util-linux: util-linux: restricted bind mounts do not pin the source, allowing X-mount.owner/group/mode redirection (CVE-2026-78410)\n\n* util-linux: util-linux: Partition metadata compromise via integer overflow in DOS partition parser (CVE-2026-53615)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "RLSA-2026:93461",
  "modified": "2026-11-03T12:30:03.478027736Z",
  "published": "2026-11-03T12:10:03.560067Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:93461"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2454956"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2494101"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519646"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519647"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519648"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521999"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2522497"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2522684"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2552551"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:93461"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: util-linux security update",
  "upstream": [
    "CVE-2026-13595",
    "CVE-2026-27456",
    "CVE-2026-53612",
    "CVE-2026-53613",
    "CVE-2026-53614",
    "CVE-2026-53615",
    "CVE-2026-76642",
    "CVE-2026-78408",
    "CVE-2026-78410"
  ]
}