Detections
Analytics

RockyLinux 10 : util-linux (RLSA-2026:93461)

high Nessus Plugin ID 375445

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:93461 advisory.

 * util-linux: TOCTOU in the mount program when setting up loop devices (CVE-2026-27456)

 * util-linux: util-linux: heap use-after-free in libblkid nested partition probing (CVE-2026-13595)

 * util-linux: TOCTOU in the mount program via ancestor directory swap on target path (CVE-2026-53613)

 * util-linux: util-linux: TOCTOU in the mount program when applying post-mount ownership/mode changes (CVE-2026-53612)

 * util-linux: util-linux: SUID mount(8) allows nosuid/noexec bypass via LIBMOUNT_FORCE_MOUNT2 (CVE-2026-53614)

 * util-linux: util-linux: failed external mount helper still runs privileged X-mount post-hooks (CVE-2026-76642)

 * util-linux: util-linux: nsenter --join-cgroup leaks root cgroup migration authority (CVE-2026-78408)

 * util-linux: util-linux: restricted bind mounts do not pin the source, allowing X-mount.owner/group/mode redirection (CVE-2026-78410)

 * util-linux: util-linux: Partition metadata compromise via integer overflow in DOS partition parser (CVE-2026-53615)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2454956

https://bugzilla.redhat.com/show_bug.cgi?id=2494101

https://bugzilla.redhat.com/show_bug.cgi?id=2519646

https://bugzilla.redhat.com/show_bug.cgi?id=2519647

https://bugzilla.redhat.com/show_bug.cgi?id=2519648

https://bugzilla.redhat.com/show_bug.cgi?id=2521999

https://bugzilla.redhat.com/show_bug.cgi?id=2522497

https://bugzilla.redhat.com/show_bug.cgi?id=2522684

https://bugzilla.redhat.com/show_bug.cgi?id=2552551

https://errata.rockylinux.org/RLSA-2026:93461

Plugin Details

Severity: High

ID: 375445

File Name: rocky_linux_RLSA-2026-93461.nasl

Version: 1.1

Type: Local

Published: 11/3/2026

Updated: 11/3/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.52

CVSS v2

Risk Factor: Medium

Base Score: 4.5

Temporal Score: 3.5

Vector: CVSS2#AV:L/AC:H/Au:S/C:P/I:N/A:C

CVSS Score Source: CVE-2026-13595

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.5

Threat Score: 7.1

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-76642

Vulnerability Information

CPE: cpe:/o:rocky:linux:10, p-cpe:/a:rocky:linux:libblkid-debuginfo, p-cpe:/a:rocky:linux:libblkid-devel, p-cpe:/a:rocky:linux:libblkid, p-cpe:/a:rocky:linux:libfdisk-debuginfo, p-cpe:/a:rocky:linux:libfdisk-devel, p-cpe:/a:rocky:linux:libfdisk, p-cpe:/a:rocky:linux:libmount-debuginfo, p-cpe:/a:rocky:linux:libmount-devel, p-cpe:/a:rocky:linux:libmount, p-cpe:/a:rocky:linux:libsmartcols-debuginfo, p-cpe:/a:rocky:linux:libsmartcols-devel, p-cpe:/a:rocky:linux:libsmartcols, p-cpe:/a:rocky:linux:libuuid-debuginfo, p-cpe:/a:rocky:linux:libuuid-devel, p-cpe:/a:rocky:linux:libuuid, p-cpe:/a:rocky:linux:python3-libmount-debuginfo, p-cpe:/a:rocky:linux:python3-libmount, p-cpe:/a:rocky:linux:util-linux-core-debuginfo, p-cpe:/a:rocky:linux:util-linux-core, p-cpe:/a:rocky:linux:util-linux-debuginfo, p-cpe:/a:rocky:linux:util-linux-debugsource, p-cpe:/a:rocky:linux:util-linux, p-cpe:/a:rocky:linux:uuidd-debuginfo, p-cpe:/a:rocky:linux:uuidd

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/3/2026

Vulnerability Publication Date: 4/1/2026

Reference Information

CVE: 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

IAVA: 2026-A-0384