OESA-2026-3722

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-3722
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-3722.json
JSON Data
https://api.osv.dev/v1/vulns/OESA-2026-3722
Upstream
Published
2026-09-14T16:33:44Z
Modified
2026-09-13T16:45:31Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
util-linux security update
Details

The util-linux package contains a random collection of files that implements some low-level basic linux utilities.

Security Fix(es):

util-linux versions through 2.41.5 and 2.42.2 fail to check mount helper exit status before running post-mount hooks, allowing unprivileged users to execute privileged operations on pre-existing filesystems. Attackers can exploit X-mount.idmap or X-mount.owner hooks to clone filesystems with inherited suid bits or modify target inode permissions after a helper fails, achieving privilege escalation.(CVE-2026-76642)

Database specific 
{
    "severity": "High"
}
References

Affected packages

openEuler:24.03-LTS-SP1 / util-linux

Package

Name
util-linux
Purl
pkg:rpm/openEuler/util-linux&distro=openEuler-24.03-LTS-SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.39.1-41.oe2403sp1

Ecosystem specific 

{
    "aarch64": [
        "libblkid-2.39.1-41.oe2403sp1.aarch64.rpm",
        "libfdisk-2.39.1-41.oe2403sp1.aarch64.rpm",
        "libmount-2.39.1-41.oe2403sp1.aarch64.rpm",
        "libsmartcols-2.39.1-41.oe2403sp1.aarch64.rpm",
        "libuuid-2.39.1-41.oe2403sp1.aarch64.rpm",
        "python3-libmount-2.39.1-41.oe2403sp1.aarch64.rpm",
        "util-linux-2.39.1-41.oe2403sp1.aarch64.rpm",
        "util-linux-debuginfo-2.39.1-41.oe2403sp1.aarch64.rpm",
        "util-linux-debugsource-2.39.1-41.oe2403sp1.aarch64.rpm",
        "util-linux-devel-2.39.1-41.oe2403sp1.aarch64.rpm",
        "util-linux-user-2.39.1-41.oe2403sp1.aarch64.rpm",
        "uuidd-2.39.1-41.oe2403sp1.aarch64.rpm"
    ],
    "noarch": [
        "util-linux-help-2.39.1-41.oe2403sp1.noarch.rpm"
    ],
    "src": [
        "util-linux-2.39.1-41.oe2403sp1.src.rpm"
    ],
    "x86_64": [
        "libblkid-2.39.1-41.oe2403sp1.x86_64.rpm",
        "libfdisk-2.39.1-41.oe2403sp1.x86_64.rpm",
        "libmount-2.39.1-41.oe2403sp1.x86_64.rpm",
        "libsmartcols-2.39.1-41.oe2403sp1.x86_64.rpm",
        "libuuid-2.39.1-41.oe2403sp1.x86_64.rpm",
        "python3-libmount-2.39.1-41.oe2403sp1.x86_64.rpm",
        "util-linux-2.39.1-41.oe2403sp1.x86_64.rpm",
        "util-linux-debuginfo-2.39.1-41.oe2403sp1.x86_64.rpm",
        "util-linux-debugsource-2.39.1-41.oe2403sp1.x86_64.rpm",
        "util-linux-devel-2.39.1-41.oe2403sp1.x86_64.rpm",
        "util-linux-user-2.39.1-41.oe2403sp1.x86_64.rpm",
        "uuidd-2.39.1-41.oe2403sp1.x86_64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3722.json"