RHEL 8 : kernel-rt (RHSA-2024:0563)

high Nessus Plugin ID 189802

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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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0563 advisory.

- hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)

- kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)

- kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)

- kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)

- kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)

- kernel: use after free in unix_stream_sendpage (CVE-2023-4622)

- kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

- kernel: use-after-free in sch_qfq network scheduler (CVE-2023-4921)

- kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (CVE-2023-38409)

- kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)

- kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)

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-2024:0563.

Plugin Details

Severity: High

ID: 189802

File Name: redhat-RHSA-2024-0563.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 1/30/2024

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: 7.3

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-4921

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2023-2163

Vulnerability Information

CPE: cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, 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-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, 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-modules-extra

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: 1/30/2024

Vulnerability Publication Date: 12/1/2022

Reference Information

CVE: CVE-2022-40982, CVE-2023-1192, CVE-2023-2162, CVE-2023-2163, CVE-2023-3812, CVE-2023-38409, CVE-2023-42753, CVE-2023-45871, CVE-2023-4622, CVE-2023-4623, CVE-2023-4921

CWE: 120, 129, 200, 416, 682, 787

RHSA: 2024:0563

Detections

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