Detections
Analytics
RHEL 8 : kernel-rt (RHSA-2022:8941)
high Nessus Plugin ID 168667
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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 packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8941 advisory.- kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region (CVE-2022-1158)
- kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)
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://access.redhat.com/security/cve/CVE-2022-1158
https://access.redhat.com/security/cve/CVE-2022-2639
https://access.redhat.com/errata/RHSA-2022:8941
Plugin Details
Severity: High
ID: 168667
File Name: redhat-RHSA-2022-8941.nasl
Version: 1.4
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 12/13/2022
Updated: 1/23/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent
Risk Information
VPR
Risk Factor: High
Score: 8.9
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5.9
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2022-2639
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: p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, cpe:/o:redhat:rhel_tus:8.2, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel
Required KB Items: Host/cpu, Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 12/13/2022
Vulnerability Publication Date: 6/6/2022
Reference Information
CVE: CVE-2022-1158, CVE-2022-2639