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Rocky Linux 8 [CIQ] Security Update: libsepol / libsepol-debuginfo / libsepol-debugsource / etc Multiple Vulnerabilities (crlsa-2021_4513)

low Nessus Plugin ID 358282

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Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2021_4513 advisory.

 * libsepol: use-after-free in __cil_verify_classperms() (CVE-2021-36084)

 * libsepol: use-after-free in __cil_verify_classperms() (CVE-2021-36085)

 * libsepol: use-after-free in cil_reset_classpermission() (CVE-2021-36086)

 * libsepol: heap-based buffer overflow in ebitmap_match_any() (CVE-2021-36087)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2021_4513.

See Also

https://access.redhat.com/errata/RHSA-2021:4513

https://bugzilla.redhat.com/show_bug.cgi?id=1979662

https://bugzilla.redhat.com/show_bug.cgi?id=1979664

https://bugzilla.redhat.com/show_bug.cgi?id=1979666

https://bugzilla.redhat.com/show_bug.cgi?id=1979668

https://errata.build.resf.org/RLSA-2021:4513

http://www.nessus.org/u?0f1883f5

http://www.nessus.org/u?403e5993

Plugin Details

Severity: Low

ID: 358282

File Name: ciq_rocky_linux_8_crlsa-2021_4513.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2021-36087

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 3

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

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

Vulnerability Information

Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 7/1/2021

Reference Information

CVE: CVE-2021-36084, CVE-2021-36085, CVE-2021-36086, CVE-2021-36087