RHEL 7 : kernel-rt (RHSA-2022:5236)
high Nessus Plugin ID 162572
Language:
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:5236 advisory.- kernel: race condition in perf_event_open leads to privilege escalation (CVE-2022-1729)
- kernel: netfilter: nf_tables: incorrect NFT_STATEFUL_EXPR check leads to a use-after-free (write) (CVE-2022-1966)
- kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-32250)
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-2022-1729
https://access.redhat.com/security/cve/CVE-2022-1966
https://access.redhat.com/security/cve/CVE-2022-32250
https://access.redhat.com/errata/RHSA-2022:5236
https://bugzilla.redhat.com/2086753
Plugin Details
Severity: High
ID: 162572
File Name: redhat-RHSA-2022-5236.nasl
Version: 1.5
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 6/28/2022
Updated: 1/23/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.3
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:U/RL:OF/RC:C
CVSS Score Source: CVE-2022-1966
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-doc, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-kvm
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 6/28/2022
Vulnerability Publication Date: 5/31/2022
Reference Information
CVE: CVE-2022-1729, CVE-2022-1966