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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.See Also
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2265797
https://bugzilla.redhat.com/show_bug.cgi?id=2275748
https://bugzilla.redhat.com/show_bug.cgi?id=2281968
https://bugzilla.redhat.com/show_bug.cgi?id=2282618
https://bugzilla.redhat.com/show_bug.cgi?id=2284271
https://bugzilla.redhat.com/show_bug.cgi?id=2293356
https://bugzilla.redhat.com/show_bug.cgi?id=2297579
https://bugzilla.redhat.com/show_bug.cgi?id=2299240
https://bugzilla.redhat.com/show_bug.cgi?id=2299336
https://bugzilla.redhat.com/show_bug.cgi?id=2300453
https://bugzilla.redhat.com/show_bug.cgi?id=2301766
Plugin Details
Severity: Medium
ID: 206197
File Name: redhat-RHSA-2024-5673.nasl
Version: 1.1
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 8/25/2024
Updated: 8/25/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
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