Detections
Analytics
RHEL 8 : kernel (RHSA-2022:0636)
high Nessus Plugin ID 158347
Language:
Synopsis
The remote Red Hat host is missing one or more security updates for kernel.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0636 advisory.- kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920)
- kernel: use-after-free in RDMA listen() (CVE-2021-4028)
- kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155)
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 RHEL kernel package based on the guidance in RHSA-2022:0636.See Also
http://www.nessus.org/u?3a7e6eec
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/errata/RHSA-2022:0636
https://bugzilla.redhat.com/show_bug.cgi?id=2027201
Plugin Details
Severity: High
ID: 158347
File Name: redhat-RHSA-2022-0636.nasl
Version: 1.11
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 2/24/2022
Updated: 4/28/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
CVSS v2
Risk Factor: Medium
Base Score: 6.9
Temporal Score: 5.7
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2021-0920
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.2
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:F/RL:O/RC:C
CVSS Score Source: CVE-2021-4028
Vulnerability Information
CPE: cpe:/o:redhat:rhel_eus:8.2, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-cross-headers, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python3-perf
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: 2/22/2022
Vulnerability Publication Date: 1/11/2021
CISA Known Exploited Vulnerability Due Dates: 6/13/2022