RHSA-2024:1840
Vulnerability from csaf_redhat - Published: 2024-04-16 14:56 - Updated: 2026-08-06 19:06Summary
Red Hat Security Advisory: kernel-rt security update
Severity
Moderate
Notes
Topic: An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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: ext4: kernel bug in ext4_write_inline_data_end() (CVE-2021-33631)
* kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event's read_size (CVE-2023-6931)
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 openEuler kernel in Linux filesystem modules that allows an integer overflow via mounting a corrupted filesystem. This issue affects the openEuler kernel in versions from 4.19.90 through 4.19.90-2401.3 and 5.10.0-60.18.0 through 5.10.0-183.0.0.
6.7 (Medium)
Affected products
Fixed
30 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-0:5.14.0-70.97.1.rt21.169.el9_0.src | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-core-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-debug-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-debug-core-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-debug-debuginfo-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-debug-devel-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-debug-kvm-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-debug-modules-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-debug-modules-extra-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-debuginfo-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-debuginfo-common-x86_64-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-devel-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-kvm-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-modules-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: NFV-9.0.0.Z.EUS:kernel-rt-modules-extra-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-0:5.14.0-70.97.1.rt21.169.el9_0.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-core-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-debug-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-debug-core-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-debug-debuginfo-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-debug-devel-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-debug-modules-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-debug-modules-extra-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-debuginfo-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-debuginfo-common-x86_64-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-devel-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-modules-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: RT-9.0.0.Z.EUS:kernel-rt-modules-extra-0:5.14.0-70.97.1.rt21.169.el9_0.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in the Linux kernel's Performance Events system component. A condition can be triggered that allows data to be written past the end or before the beginning of the intended memory buffer. This may lead to a system crash, code execution, or local privilege escalation.
7.0 (High)
Affected products
Fixed
30 products, the same list as for
CVE-2021-33631
Threats
Impact
Moderate
References
15 references
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"text": "A flaw was found in the openEuler kernel in Linux filesystem modules that allows an integer overflow via mounting a corrupted filesystem. This issue affects the openEuler kernel in versions from 4.19.90 through 4.19.90-2401.3 and 5.10.0-60.18.0 through 5.10.0-183.0.0.",
"title": "Vulnerability description"
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"text": "kernel: ext4: kernel bug in ext4_write_inline_data_end()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat has protection mechanisms in place against buffer overflows, such as FORTIFY_SOURCE, Position Independent Executables or Stack Smashing Protection.",
"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.",
"title": "CVSS score applicability"
}
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{
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},
{
"category": "external",
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{
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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-6931"
},
{
"category": "external",
"summary": "RHBZ#2252731",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2252731"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-6931",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-6931"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-6931",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6931"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=382c27f4ed28f803b1f1473ac2d8db0afc795a1b",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=382c27f4ed28f803b1f1473ac2d8db0afc795a1b"
}
],
"release_date": "2023-11-29T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2024-04-16T14:56:48+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"title": "kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event\u0027s read_size"
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}
Loading…
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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.
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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.
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