Detections
Analytics

Oracle Linux 10 : util-linux (ELSA-2026-93461)

high Nessus Plugin ID 375176

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-93461 advisory.

 - libblkid: validate EBR data [CVE-2026-53615]
 - libblkid: fix use-after-free in nested partition probing [CVE-2026-13595]
 - nsenter: close cgroup.procs fd after join to prevent authority leak [CVE-2026-78408]
 - libmount: fix SUID bypass via LIBMOUNT_FORCE_MOUNT2 and legacy mount [CVE-2026-53614]
 - libmount: TOCTOU in the mount program via ancestor directory swap on target path [CVE-2026-53613]
 - libmount: TOCTOU in the mount program when applying post-mount ownership/mode changes [CVE-2026-53612]
 - libmount: restrict the mount source for non-root users [CVE-2026-78410]
 - libmount: skip post-mount hooks after a failed mount helper [CVE-2026-76642]

Tenable has extracted the preceding description block directly from the Oracle Linux 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://linux.oracle.com/errata/ELSA-2026-93461.html

Plugin Details

Severity: High

ID: 375176

File Name: oraclelinux_ELSA-2026-93461.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/2/2026

Updated: 11/2/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, 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:oracle:linux:10, cpe:/o:oracle:linux:10:2:baseos_patch, p-cpe:/a:oracle:linux:libblkid-devel, p-cpe:/a:oracle:linux:libblkid, p-cpe:/a:oracle:linux:libfdisk-devel, p-cpe:/a:oracle:linux:libfdisk, p-cpe:/a:oracle:linux:libmount-devel, p-cpe:/a:oracle:linux:libmount, p-cpe:/a:oracle:linux:libsmartcols-devel, p-cpe:/a:oracle:linux:libsmartcols, p-cpe:/a:oracle:linux:libuuid-devel, p-cpe:/a:oracle:linux:libuuid, p-cpe:/a:oracle:linux:python3-libmount, p-cpe:/a:oracle:linux:util-linux-core, p-cpe:/a:oracle:linux:util-linux, p-cpe:/a:oracle:linux:uuidd

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/2/2026

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