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Red Hat Hardened Images · Vulnerability

CVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown

Historical advisory recorded 30 Oct 2026 15:45:26 UTC. Read the latest advisory.

cve-program · CVE-2026-78410

Published

A flaw was found in util-linux. Restricted bind mounts take the source path from fstab but do not pin that source before the privileged mount. A local unprivileged user who can replace the authorized source or a writable ancestor can redirect SUID mount(8) to bind another host directory. If the fstab entry also sets X-mount.owner, X-mount.group, or X-mount.mode, root then changes ownership or mode on that redirected inode.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-78410

Published

util-linux-main

https://catalog.redhat.com/software/containers/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Hardened Images",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "util-linux-main",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "2.42.2-3.4.hum1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:hummingbird:1"
                    ]
                }

util-linux

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "util-linux",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:10"
                    ]
                }

util-linux

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "util-linux",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:7"
                    ]
                }

util-linux

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "util-linux",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:8"
                    ]
                }

rhel8/flatpak-runtime

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "rhel8/flatpak-runtime",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:9"
                    ]
                }

rhel8/flatpak-sdk

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "rhel8/flatpak-sdk",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:9"
                    ]
                }

util-linux

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "util-linux",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:9"
                    ]
                }

openshift/ose-rhel-coreos-8

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat OpenShift Container Platform 4",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "openshift/ose-rhel-coreos-8",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:openshift:4"
                    ]
                }

openshift/ose-rhel-coreos-9

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat OpenShift Container Platform 4",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "openshift/ose-rhel-coreos-9",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:openshift:4"
                    ]
                }

openshift/ose-rhel-coreos-9

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat OpenShift Container Platform 5",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "openshift/ose-rhel-coreos-9",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:openshift:5"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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