Detections
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RHEL 8 : Red Hat Virtualization Host security and bug fix update [ovirt-4.4.7] (Important) (RHSA-2021:2736)
high Nessus Plugin ID 152003
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2736 advisory.- kernel: race condition for removal of the HCI controller (CVE-2021-32399)
- kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)
- kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)
- systemd: uncontrolled allocation on the stack in function unit_name_path_escape leads to crash (CVE-2021-33910)
- ansible: multiple modules expose secured values (CVE-2021-3447)
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 redhat-virtualization-host-image-update package.See Also
https://access.redhat.com/security/cve/CVE-2021-3447
https://access.redhat.com/security/cve/CVE-2021-33909
https://access.redhat.com/security/cve/CVE-2021-33910
https://access.redhat.com/errata/RHSA-2021:2736
https://bugzilla.redhat.com/1939349
https://bugzilla.redhat.com/1961305
https://bugzilla.redhat.com/1970273
https://access.redhat.com/security/cve/CVE-2021-32399
https://access.redhat.com/security/cve/CVE-2021-33034
Plugin Details
Severity: High
ID: 152003
File Name: redhat-RHSA-2021-2736.nasl
Version: 1.10
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 7/22/2021
Updated: 2/2/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.5
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-33909
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
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 7/22/2021
Vulnerability Publication Date: 4/1/2021
Reference Information
CVE: CVE-2021-32399, CVE-2021-33034, CVE-2021-33909, CVE-2021-33910, CVE-2021-3447