Detections
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RHEL 9 : kernel-rt (RHSA-2023:7379)
high Nessus Plugin ID 186034
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Synopsis
The remote Red Hat host is missing one or more security updates for kernel-rt.Description
The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:7379 advisory.- kernel: AMD: Cross-Thread Return Address Predictions (CVE-2022-27672)
- hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)
- kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (CVE-2023-3609)
- kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)
- kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208)
- kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)
- kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)
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-rt package based on the guidance in RHSA-2023:7379.See Also
http://www.nessus.org/u?b798ef7e
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/solutions/7027704
https://bugzilla.redhat.com/show_bug.cgi?id=2174765
https://bugzilla.redhat.com/show_bug.cgi?id=2223949
https://bugzilla.redhat.com/show_bug.cgi?id=2224048
https://bugzilla.redhat.com/show_bug.cgi?id=2225201
https://bugzilla.redhat.com/show_bug.cgi?id=2225511
https://bugzilla.redhat.com/show_bug.cgi?id=2239843
Plugin Details
Severity: High
ID: 186034
File Name: redhat-RHSA-2023-7379.nasl
Version: 1.4
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/21/2023
Updated: 6/19/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.1
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 9
Temporal Score: 7
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2023-5178
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.9
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, cpe:/o:redhat:rhel_eus:9.2, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules
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: 11/21/2023
Vulnerability Publication Date: 12/1/2022
Reference Information
CVE: CVE-2022-27672, CVE-2022-40982, CVE-2023-3609, CVE-2023-3812, CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208, CVE-2023-42753, CVE-2023-5178