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Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2021_3057)
high Nessus Plugin ID 358203
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_3057 advisory.* kernel: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)
* kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)
* kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555)
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_3057.See Also
https://access.redhat.com/errata/RHSA-2021:3057
https://bugzilla.redhat.com/show_bug.cgi?id=1965461
https://bugzilla.redhat.com/show_bug.cgi?id=1971651
https://bugzilla.redhat.com/show_bug.cgi?id=1980101
https://errata.build.resf.org/RLSA-2021:3057
Plugin Details
Severity: High
ID: 358203
File Name: ciq_rocky_linux_8_crlsa-2021_3057.nasl
Version: 1.1
Type: Local
Published: 10/1/2026
Updated: 10/1/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.5
Percentile: 99.87
Vendor
Vendor Severity: Unknown
CVSS v2
Risk Factor: Medium
Base Score: 6.9
Temporal Score: 6
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-3609
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
CVSS Score Source: CVE-2021-22555
CVSS v4
Risk Factor: High
Base Score: 8.7
Threat Score: 8.7
Threat Vector: CVSS:4.0/E:A
Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L
CVSS Score Source: CVE-2021-22543
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/10/2021
Vulnerability Publication Date: 4/20/2021
CISA Known Exploited Vulnerability Due Dates: 10/27/2025