RHEL 9 : kernel-rt (RHSA-2024:8614)

high Nessus Plugin ID 209901

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-2024:8614 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: ovl: fix use after free in struct ovl_aio_req (CVE-2023-1252)

* hw: cpu: intel: Native Branch History Injection (BHI) (CVE-2024-2201)

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

* kernel: blk-mq: fix IO hang from sbitmap wakeup race (CVE-2024-26671)

* kernel: fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats (CVE-2024-26686)

* kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826)

* kernel: mac802154: fix llsec key resources release in mac802154_llsec_key_del (CVE-2024-26961)

* kernel: hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field (CVE-2021-47384)

* kernel: mptcp: ensure snd_nxt is properly initialized on connect (CVE-2024-36889)

* kernel: ipv6: prevent possible NULL dereference in rt6_probe() (CVE-2024-40960)

* kernel: ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super() (CVE-2024-40998)

* kernel: filelock: fix potential use-after-free in posix_lock_inode (CVE-2024-41049)

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

* kernel: nvmet: fix a possible leak when destroy a ctrl during qp establishment (CVE-2024-42152)

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-2024:8614.

Plugin Details

Severity: High

ID: 209901

File Name: redhat-RHSA-2024-8614.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 10/30/2024

Updated: 10/30/2024

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: Moderate

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-2024-41049

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, 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: 10/30/2024

Vulnerability Publication Date: 3/23/2023

Reference Information

CVE: CVE-2021-47384, CVE-2023-1252, CVE-2023-52489, CVE-2024-2201, CVE-2024-26671, CVE-2024-26686, CVE-2024-26826, CVE-2024-26961, CVE-2024-36889, CVE-2024-40960, CVE-2024-40998, CVE-2024-41049, CVE-2024-41055, CVE-2024-42152

CWE: 1423, 20, 362, 404, 413, 416, 459, 476, 665

RHSA: 2024:8614

Detections

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