RHSA-2026:27811
Vulnerability from csaf_opensuse - Published: 2026-06-22 00:00 - Updated: 2026-09-16 18:31Summary
security update for kernel
Severity
Important
Notes
Title of the patch: security update for kernel
Description of the patch: This security update provides a functional equivalent of RHSA-2026:27811.
The original Red Hat(R) advisory is available from the Red Hat web site at
https://access.redhat.com/errata/RHSA-2026:27811.
Patchnames: RHSA-2026:27811
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
5.5 (Medium)
Affected products
Recommended
20 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Liberty Linux 8:bpftool-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-abi-stablelists-4.18.0-553.137.1.el8_10.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-core-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-cross-headers-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-debug-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-debug-core-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-debug-devel-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-debug-modules-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-debug-modules-extra-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-devel-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-doc-4.18.0-553.137.1.el8_10.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-headers-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-modules-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-modules-extra-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-tools-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-tools-libs-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:kernel-tools-libs-devel-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:perf-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 8:python3-perf-4.18.0-553.137.1.el8_10.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
References
7 references
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"text": "https://www.suse.com/security/cve/CVE-2026-46054"
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"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: fix overlayfs mmap() and mprotect() access checks\n\nThe existing SELinux security model for overlayfs is to allow access if\nthe current task is able to access the top level file (the \"user\" file)\nand the mounter\u0027s credentials are sufficient to access the lower\nlevel file (the \"backing\" file). Unfortunately, the current code does\nnot properly enforce these access controls for both mmap() and mprotect()\noperations on overlayfs filesystems.\n\nThis patch makes use of the newly created security_mmap_backing_file()\nLSM hook to provide the missing backing file enforcement for mmap()\noperations, and leverages the backing file API and new LSM blob to\nprovide the necessary information to properly enforce the mprotect()\naccess controls.",
"title": "CVE description"
}
],
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"threats": [
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"date": "2026-06-22T00:00:00Z",
"details": "moderate"
}
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"title": "CVE-2026-46054"
}
]
}
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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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