SUSE-SU-2025:03479-1
Vulnerability from csaf_suse - Published: 2025-10-07 16:36 - Updated: 2025-10-07 16:36Summary
Security update for the Linux Kernel RT (Live Patch 2 for SLE 15 SP7)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel RT (Live Patch 2 for SLE 15 SP7)
Description of the patch: This update for the Linux Kernel 6.4.0-150700_7_8 fixes one issue.
The following security issue was fixed:
- CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315).
Patchnames: SUSE-2025-3479,SUSE-SLE-Module-Live-Patching-15-SP7-2025-3479
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Recommended
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
References
9 references
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"text": "This update for the Linux Kernel 6.4.0-150700_7_8 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2025-38477: net/sched: sch_qfq: Fix race condition on qfq_aggregate (bsc#1247315).\n",
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{
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"url": "https://www.suse.com/support/update/announcement/2025/suse-su-202503479-1/"
},
{
"category": "self",
"summary": "E-Mail link for SUSE-SU-2025:03479-1",
"url": "https://lists.suse.com/pipermail/sle-updates/2025-October/042021.html"
},
{
"category": "self",
"summary": "SUSE Bug 1247315",
"url": "https://bugzilla.suse.com/1247315"
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{
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"url": "https://www.suse.com/security/cve/CVE-2025-38477/"
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"title": "Security update for the Linux Kernel RT (Live Patch 2 for SLE 15 SP7)",
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"date": "2025-10-07T16:36:03Z",
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{
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"relationships": [
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},
"vulnerabilities": [
{
"cve": "CVE-2025-38477",
"ids": [
{
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"text": "https://www.suse.com/security/cve/CVE-2025-38477"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: sch_qfq: Fix race condition on qfq_aggregate\n\nA race condition can occur when \u0027agg\u0027 is modified in qfq_change_agg\n(called during qfq_enqueue) while other threads access it\nconcurrently. For example, qfq_dump_class may trigger a NULL\ndereference, and qfq_delete_class may cause a use-after-free.\n\nThis patch addresses the issue by:\n\n1. Moved qfq_destroy_class into the critical section.\n\n2. Added sch_tree_lock protection to qfq_dump_class and\nqfq_dump_class_stats.",
"title": "CVE description"
}
],
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"summary": "CVE-2025-38477",
"url": "https://www.suse.com/security/cve/CVE-2025-38477"
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{
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"summary": "SUSE Bug 1247314 for CVE-2025-38477",
"url": "https://bugzilla.suse.com/1247314"
},
{
"category": "external",
"summary": "SUSE Bug 1247315 for CVE-2025-38477",
"url": "https://bugzilla.suse.com/1247315"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP7:kernel-livepatch-6_4_0-150700_7_8-rt-5-150700.2.1.x86_64"
]
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"scores": [
{
"cvss_v3": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
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"date": "2025-10-07T16:36:03Z",
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}
],
"title": "CVE-2025-38477"
}
]
}
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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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