RHEL 9 : kernel-rt (RHSA-2024:5673)

medium Nessus Plugin ID 206197

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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-2024:5673 advisory.

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: efivarfs: force RO when remounting if SetVariable is not supported (CVE-2023-52463)

* kernel: igc: avoid returning frame twice in XDP_REDIRECT (CVE-2024-26853)

* kernel: mm/hugetlb: fix missing hugetlb_lock for resv uncharge (CVE-2024-36000)

* kernel: bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself (CVE-2023-52735)

* kernel: net: fix out-of-bounds access in ops_init (CVE-2024-36883)

* kernel: net/mlx5e: Fix netif state handling (CVE-2024-38608)

* kernel: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() (CVE-2024-40995)

* kernel: virtio-net: tap: mlx5_core short frame denial of service (CVE-2024-41090)

* kernel: virtio-net: tun: mlx5_core short frame denial of service (CVE-2024-41091)

* kernel: NFSv4: Fix memory leak in nfs4_set_security_label (CVE-2024-41076)

* kernel: ice: Don't process extts if PTP is disabled (CVE-2024-42107)

Bug Fix(es):

* kernel-rt: update RT source tree to the latest RHEL-9.2 ad hoc schedule build (JIRA:RHEL-54222)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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-2024:5673.

Plugin Details

Severity: Medium

ID: 206197

File Name: redhat-RHSA-2024-5673.nasl

Version: 1.2

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 8/25/2024

Updated: 11/7/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2024-41076

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

Temporal Vector: CVSS:3.0/E:U/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 Ease: No known exploits are available

Patch Publication Date: 8/21/2024

Vulnerability Publication Date: 2/15/2024

Reference Information

CVE: CVE-2023-52463, CVE-2023-52735, CVE-2024-26853, CVE-2024-36000, CVE-2024-36883, CVE-2024-38608, CVE-2024-40995, CVE-2024-41076, CVE-2024-41090, CVE-2024-41091, CVE-2024-42107

CWE: 121, 20, 401, 476, 787, 833

RHSA: 2024:5673

Detections

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