CVE-2026-46265 (GCVE-0-2026-46265)
Vulnerability from cvelistv5 – Published: 2026-06-03 15:50 – Updated: 2026-10-30 12:26
VLAI
EPSS
VEX
Title
RDMA/hns: Fix WQ_MEM_RECLAIM warning
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/hns: Fix WQ_MEM_RECLAIM warning
When sunrpc is used, if a reset triggered, our wq may lead the
following trace:
workqueue: WQ_MEM_RECLAIM xprtiod:xprt_rdma_connect_worker [rpcrdma]
is flushing !WQ_MEM_RECLAIM hns_roce_irq_workq:flush_work_handle
[hns_roce_hw_v2]
WARNING: CPU: 0 PID: 8250 at kernel/workqueue.c:2644 check_flush_dependency+0xe0/0x144
Call trace:
check_flush_dependency+0xe0/0x144
start_flush_work.constprop.0+0x1d0/0x2f0
__flush_work.isra.0+0x40/0xb0
flush_work+0x14/0x30
hns_roce_v2_destroy_qp+0xac/0x1e0 [hns_roce_hw_v2]
ib_destroy_qp_user+0x9c/0x2b4
rdma_destroy_qp+0x34/0xb0
rpcrdma_ep_destroy+0x28/0xcc [rpcrdma]
rpcrdma_ep_put+0x74/0xb4 [rpcrdma]
rpcrdma_xprt_disconnect+0x1d8/0x260 [rpcrdma]
xprt_rdma_connect_worker+0xc0/0x120 [rpcrdma]
process_one_work+0x1cc/0x4d0
worker_thread+0x154/0x414
kthread+0x104/0x144
ret_from_fork+0x10/0x18
Since QP destruction frees memory, this wq should have the WQ_MEM_RECLAIM.
Severity
7.5 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
ffd541d45726341c1830ff595fd7352b6d1cfbcd , < 31b22ca4f5ab8c495fd8bb44c06573f1fb7833a2
(git)
Affected: ffd541d45726341c1830ff595fd7352b6d1cfbcd , < 5fb5028a7a80c2f8fd1e06cea7c4a0af1a58f9ef (git) Affected: ffd541d45726341c1830ff595fd7352b6d1cfbcd , < 12761bd0ae16a80f237c2a65ab1b1064076cc74a (git) Affected: ffd541d45726341c1830ff595fd7352b6d1cfbcd , < 70a5eb757ace5bd627a36f04d871eaf85def424d (git) Affected: ffd541d45726341c1830ff595fd7352b6d1cfbcd , < 562c96b1393da2df3ea62173c84117b39da353b9 (git) Affected: ffd541d45726341c1830ff595fd7352b6d1cfbcd , < 0cbec8b49270f3f0600b8e3ef5e8f0d233dcea27 (git) Affected: ffd541d45726341c1830ff595fd7352b6d1cfbcd , < c5ef9a1bcf5b597695d9c2e6ac452e9f89521862 (git) Affected: ffd541d45726341c1830ff595fd7352b6d1cfbcd , < c0a26bbd3f99b7b03f072e3409aff4e6ec8af6f6 (git) |
guessed | |
| Linux | Linux |
Affected:
5.7
Unaffected: 0 , < 5.7 (semver) Unaffected: 5.10.273 , ≤ 5.10.* (semver) Unaffected: 5.15.224 , ≤ 5.15.* (semver) Unaffected: 6.1.165 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.14 , ≤ 6.18.* (semver) Unaffected: 6.19.4 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix) |
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix WQ_MEM_RECLAIM warning\n\nWhen sunrpc is used, if a reset triggered, our wq may lead the\nfollowing trace:\n\nworkqueue: WQ_MEM_RECLAIM xprtiod:xprt_rdma_connect_worker [rpcrdma]\nis flushing !WQ_MEM_RECLAIM hns_roce_irq_workq:flush_work_handle\n[hns_roce_hw_v2]\nWARNING: CPU: 0 PID: 8250 at kernel/workqueue.c:2644 check_flush_dependency+0xe0/0x144\nCall trace:\n check_flush_dependency+0xe0/0x144\n start_flush_work.constprop.0+0x1d0/0x2f0\n __flush_work.isra.0+0x40/0xb0\n flush_work+0x14/0x30\n hns_roce_v2_destroy_qp+0xac/0x1e0 [hns_roce_hw_v2]\n ib_destroy_qp_user+0x9c/0x2b4\n rdma_destroy_qp+0x34/0xb0\n rpcrdma_ep_destroy+0x28/0xcc [rpcrdma]\n rpcrdma_ep_put+0x74/0xb4 [rpcrdma]\n rpcrdma_xprt_disconnect+0x1d8/0x260 [rpcrdma]\n xprt_rdma_connect_worker+0xc0/0x120 [rpcrdma]\n process_one_work+0x1cc/0x4d0\n worker_thread+0x154/0x414\n kthread+0x104/0x144\n ret_from_fork+0x10/0x18\n\nSince QP destruction frees memory, this wq should have the WQ_MEM_RECLAIM."
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{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nRDMA/hns: Solucionar advertencia WQ_MEM_RECLAIM\n\nCuando se usa sunrpc, si se activa un reinicio, nuestro wq puede generar el siguiente rastro:\n\nworkqueue: WQ_MEM_RECLAIM xprtiod:xprt_rdma_connect_worker [rpcrdma]\nis flushing !WQ_MEM_RECLAIM hns_roce_irq_workq:flush_work_handle\n[hns_roce_hw_v2]\nWARNING: CPU: 0 PID: 8250 at kernel/workqueue.c:2644 check_flush_dependency+0xe0/0x144\nCall trace:\n check_flush_dependency+0xe0/0x144\n start_flush_work.constprop.0+0x1d0/0x2f0\n __flush_work.isra.0+0x40/0xb0\n flush_work+0x14/0x30\n hns_roce_v2_destroy_qp+0xac/0x1e0 [hns_roce_hw_v2]\n ib_destroy_qp_user+0x9c/0x2b4\n rdma_destroy_qp+0x34/0xb0\n rpcrdma_ep_destroy+0x28/0xcc [rpcrdma]\n rpcrdma_ep_put+0x74/0xb4 [rpcrdma]\n rpcrdma_xprt_disconnect+0x1d8/0x260 [rpcrdma]\n xprt_rdma_connect_worker+0xc0/0x120 [rpcrdma]\n process_one_work+0x1cc/0x4d0\n worker_thread+0x154/0x414\n kthread+0x104/0x144\n ret_from_fork+0x10/0x18\n\nDado que la destrucci\u00f3n de QP libera memoria, este wq deber\u00eda tener el WQ_MEM_RECLAIM."
}
],
"id": "CVE-2026-46265",
"lastModified": "2026-10-30T13:19:00.753",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"type": "Secondary"
}
]
},
"published": "2026-06-03T18:16:28.013",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/0cbec8b49270f3f0600b8e3ef5e8f0d233dcea27"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/12761bd0ae16a80f237c2a65ab1b1064076cc74a"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/31b22ca4f5ab8c495fd8bb44c06573f1fb7833a2"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/562c96b1393da2df3ea62173c84117b39da353b9"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/5fb5028a7a80c2f8fd1e06cea7c4a0af1a58f9ef"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/70a5eb757ace5bd627a36f04d871eaf85def424d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/c0a26bbd3f99b7b03f072e3409aff4e6ec8af6f6"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/c5ef9a1bcf5b597695d9c2e6ac452e9f89521862"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-10-19T23:47:26+00:00",
"cve": "CVE-2026-46265",
"id": "CVE-2026-46265",
"initial_release_date": "2026-06-03T00:00:00+00:00",
"product_status:known_not_affected": "275",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: RDMA/hns: Fix WQ_MEM_RECLAIM warning",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46265.json",
"version": "3"
}
}
}
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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.
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- 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.