RHSA-2024:10282
Vulnerability from csaf_redhat - Published: 2024-11-26 02:06 - Updated: 2026-11-05 12:34Summary
Red Hat Security Advisory: kernel-rt:4.18.0 security update
Severity
Low
Notes
Topic: An update for the kernel-rt:4.18.0 module is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: 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: media: edia: dvbdev: fix a use-after-free (CVE-2024-27043)
* kernel: bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE (CVE-2024-38564)
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.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in the Linux kernel's Digital Video Broadcasting (DVB) subsystem. When an error occurs during device registration in the dvb_register_device() function, the kernel deallocates the device structure but fails to reset the associated pointer, leaving a dangling reference. A local attacker could exploit this use-after-free vulnerability during subsequent device unregistration or cleanup routines, causing a kernel crash that results in a denial of service (DoS) or potentially leading to arbitrary code execution.
5.2 (Medium)
Affected products
Fixed
30 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.30.1.rt7.371.el8_10.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-kvm-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-kvm-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: NFV-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.30.1.rt7.371.el8_10.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-core-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-core-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-debuginfo-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-devel-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debug-modules-extra-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-debuginfo-common-x86_64-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-devel-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: RT-8.10.0.Z.MAIN.EUS:kernel-rt-modules-extra-0:4.18.0-553.30.1.rt7.371.el8_10.x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Low
In the Linux kernel, the following vulnerability has been resolved: bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE bpf_prog_attach uses attach_type_to_prog_type to enforce proper attach type for BPF_PROG_TYPE_CGROUP_SKB. link_create uses bpf_prog_get and relies on bpf_prog_attach_check_attach_type to properly verify prog_type <> attach_type association. Add missing attach_type enforcement for the link_create case. Otherwise, it's currently possible to attach cgroup_skb prog types to other cgroup hooks.
4.4 (Medium)
Affected products
Fixed
30 products, the same list as for
CVE-2024-27043
Threats
Impact
Low
References
15 references
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"text": "A flaw was found in the Linux kernel\u0027s Digital Video Broadcasting (DVB) subsystem. When an error occurs during device registration in the dvb_register_device() function, the kernel deallocates the device structure but fails to reset the associated pointer, leaving a dangling reference. A local attacker could exploit this use-after-free vulnerability during subsequent device unregistration or cleanup routines, causing a kernel crash that results in a denial of service (DoS) or potentially leading to arbitrary code execution.",
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"text": "kernel: media: edia: dvbdev: fix a use-after-free",
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"text": "This vulnerability is rated as having a Low impact because exploitation requires specialized digital video broadcasting hardware or physical access to attach devices, alongside high local privileges. In typical enterprise and cloud environments, DVB hardware is absent, substantially limiting exposure. Furthermore, triggering the condition relies on inducing an initialization failure followed by cleanup routines, making practical exploitation difficult and primarily resulting in a denial of service.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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{
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"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"title": "kernel: bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE"
}
]
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.