RHEL 9 : kernel-rt (RHSA-2024:6990)

high Nessus Plugin ID 207649

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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-2024:6990 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: mm/sparsemem: fix race in accessing memory_section->usage (CVE-2023-52489)

* kernel: hwmon: (mlxreg-fan) Return non-zero value when fan current state is enforced from sysfs (CVE-2021-47393)

* kernel: net/smc: Fix NULL pointer dereferencing in smc_vlan_by_tcpsk() (CVE-2021-47559)

* kernel: ACPICA: Revert ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine.
(CVE-2024-40984)

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

* kernel: xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create (CVE-2022-48773)

* kernel: vsock: remove vsock from connected table when connect is interrupted by a signal (CVE-2022-48786)

* kernel: perf: Fix list corruption in perf_cgroup_switch() (CVE-2022-48799)

* kernel: SUNRPC: lock against ->sock changing during sysfs read (CVE-2022-48816)

* kernel: mm: prevent derefencing NULL ptr in pfn_section_valid() (CVE-2024-41055)

* kernel: wifi: mac80211: Avoid address calculations via out of bounds array indexing (CVE-2024-41071)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to 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-2024:6990.

Plugin Details

Severity: High

ID: 207649

File Name: redhat-RHSA-2024-6990.nasl

Version: 1.2

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/24/2024

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: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2024-41071

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: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, cpe:/o:redhat:rhel_e4s:9.0, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel

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: 9/24/2024

Vulnerability Publication Date: 3/7/2022

Reference Information

CVE: CVE-2021-47393, CVE-2021-47559, CVE-2022-48773, CVE-2022-48786, CVE-2022-48799, CVE-2022-48816, CVE-2023-52489, CVE-2024-40984, CVE-2024-40995, CVE-2024-41055, CVE-2024-41071

CWE: 362, 371, 476, 754, 787, 833, 99

RHSA: 2024:6990

Detections

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