FKIE_CVE-2023-54274
Vulnerability from fkie_nvd - Published: 2025-12-30 13:16 - Updated: 2026-06-17 06:47
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/srpt: Add a check for valid 'mad_agent' pointer
When unregistering MAD agent, srpt module has a non-null check
for 'mad_agent' pointer before invoking ib_unregister_mad_agent().
This check can pass if 'mad_agent' variable holds an error value.
The 'mad_agent' can have an error value for a short window when
srpt_add_one() and srpt_remove_one() is executed simultaneously.
In srpt module, added a valid pointer check for 'sport->mad_agent'
before unregistering MAD agent.
This issue can hit when RoCE driver unregisters ib_device
Stack Trace:
------------
BUG: kernel NULL pointer dereference, address: 000000000000004d
PGD 145003067 P4D 145003067 PUD 2324fe067 PMD 0
Oops: 0002 [#1] PREEMPT SMP NOPTI
CPU: 10 PID: 4459 Comm: kworker/u80:0 Kdump: loaded Tainted: P
Hardware name: Dell Inc. PowerEdge R640/06NR82, BIOS 2.5.4 01/13/2020
Workqueue: bnxt_re bnxt_re_task [bnxt_re]
RIP: 0010:_raw_spin_lock_irqsave+0x19/0x40
Call Trace:
ib_unregister_mad_agent+0x46/0x2f0 [ib_core]
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
? __schedule+0x20b/0x560
srpt_unregister_mad_agent+0x93/0xd0 [ib_srpt]
srpt_remove_one+0x20/0x150 [ib_srpt]
remove_client_context+0x88/0xd0 [ib_core]
bond0: (slave p2p1): link status definitely up, 100000 Mbps full duplex
disable_device+0x8a/0x160 [ib_core]
bond0: active interface up!
? kernfs_name_hash+0x12/0x80
(NULL device *): Bonding Info Received: rdev: 000000006c0b8247
__ib_unregister_device+0x42/0xb0 [ib_core]
(NULL device *): Master: mode: 4 num_slaves:2
ib_unregister_device+0x22/0x30 [ib_core]
(NULL device *): Slave: id: 105069936 name:p2p1 link:0 state:0
bnxt_re_stopqps_and_ib_uninit+0x83/0x90 [bnxt_re]
bnxt_re_alloc_lag+0x12e/0x4e0 [bnxt_re]
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/infiniband/ulp/srpt/ib_srpt.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "8ec6acdb9b6a80eeb13e778dfedb5d72a88f14fe",
"status": "affected",
"version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d",
"versionType": "git"
},
{
"lessThan": "00cc21e32ea1b8ebbabf5d645da9378d986bf8ba",
"status": "affected",
"version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d",
"versionType": "git"
},
{
"lessThan": "4323aaedeba32076e652aad056afd7885bb96bb7",
"status": "affected",
"version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d",
"versionType": "git"
},
{
"lessThan": "5f6ef2a574b0e0e0ea46ed0022575442df9d0bf9",
"status": "affected",
"version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d",
"versionType": "git"
},
{
"lessThan": "b713623bfef8cb1df9c769a3887fa10db63d1c54",
"status": "affected",
"version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d",
"versionType": "git"
},
{
"lessThan": "eca5cd9474cd26d62f9756f536e2e656d3f62f3a",
"status": "affected",
"version": "a42d985bd5b234da8b61347a78dc3057bf7bb94d",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/infiniband/ulp/srpt/ib_srpt.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "3.3"
},
{
"lessThan": "3.3",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.180",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.111",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.28",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.2.*",
"status": "unaffected",
"version": "6.2.15",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.3.*",
"status": "unaffected",
"version": "6.3.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.4",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/srpt: Add a check for valid \u0027mad_agent\u0027 pointer\n\nWhen unregistering MAD agent, srpt module has a non-null check\nfor \u0027mad_agent\u0027 pointer before invoking ib_unregister_mad_agent().\nThis check can pass if \u0027mad_agent\u0027 variable holds an error value.\nThe \u0027mad_agent\u0027 can have an error value for a short window when\nsrpt_add_one() and srpt_remove_one() is executed simultaneously.\n\nIn srpt module, added a valid pointer check for \u0027sport-\u003emad_agent\u0027\nbefore unregistering MAD agent.\n\nThis issue can hit when RoCE driver unregisters ib_device\n\nStack Trace:\n------------\nBUG: kernel NULL pointer dereference, address: 000000000000004d\nPGD 145003067 P4D 145003067 PUD 2324fe067 PMD 0\nOops: 0002 [#1] PREEMPT SMP NOPTI\nCPU: 10 PID: 4459 Comm: kworker/u80:0 Kdump: loaded Tainted: P\nHardware name: Dell Inc. PowerEdge R640/06NR82, BIOS 2.5.4 01/13/2020\nWorkqueue: bnxt_re bnxt_re_task [bnxt_re]\nRIP: 0010:_raw_spin_lock_irqsave+0x19/0x40\nCall Trace:\n ib_unregister_mad_agent+0x46/0x2f0 [ib_core]\n IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready\n ? __schedule+0x20b/0x560\n srpt_unregister_mad_agent+0x93/0xd0 [ib_srpt]\n srpt_remove_one+0x20/0x150 [ib_srpt]\n remove_client_context+0x88/0xd0 [ib_core]\n bond0: (slave p2p1): link status definitely up, 100000 Mbps full duplex\n disable_device+0x8a/0x160 [ib_core]\n bond0: active interface up!\n ? kernfs_name_hash+0x12/0x80\n (NULL device *): Bonding Info Received: rdev: 000000006c0b8247\n __ib_unregister_device+0x42/0xb0 [ib_core]\n (NULL device *): Master: mode: 4 num_slaves:2\n ib_unregister_device+0x22/0x30 [ib_core]\n (NULL device *): Slave: id: 105069936 name:p2p1 link:0 state:0\n bnxt_re_stopqps_and_ib_uninit+0x83/0x90 [bnxt_re]\n bnxt_re_alloc_lag+0x12e/0x4e0 [bnxt_re]"
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nRDMA/srpt: A\u00f1adir una comprobaci\u00f3n para un puntero \u0027mad_agent\u0027 v\u00e1lido\n\nAl anular el registro del agente MAD, el m\u00f3dulo srpt tiene una comprobaci\u00f3n de no nulidad para el puntero \u0027mad_agent\u0027 antes de invocar ib_unregister_mad_agent().\nEsta comprobaci\u00f3n puede pasar si la variable \u0027mad_agent\u0027 contiene un valor de error.\nEl \u0027mad_agent\u0027 puede tener un valor de error durante una ventana corta cuando srpt_add_one() y srpt_remove_one() se ejecutan simult\u00e1neamente.\n\nEn el m\u00f3dulo srpt, se a\u00f1adi\u00f3 una comprobaci\u00f3n de puntero v\u00e1lido para \u0027sport-\u0026gt;mad_agent\u0027 antes de anular el registro del agente MAD.\n\nEste problema puede ocurrir cuando el controlador RoCE anula el registro de ib_device\n\nTraza de la pila:\n------------\nBUG: desreferencia de puntero NULL del kernel, direcci\u00f3n: 000000000000004d\nPGD 145003067 P4D 145003067 PUD 2324fe067 PMD 0\nOops: 0002 [#1] PREEMPT SMP NOPTI\nCPU: 10 PID: 4459 Comm: kworker/u80:0 Kdump: loaded Tainted: P\nNombre del hardware: Dell Inc. PowerEdge R640/06NR82, BIOS 2.5.4 01/13/2020\nCola de trabajo: bnxt_re bnxt_re_task [bnxt_re]\nRIP: 0010:_raw_spin_lock_irqsave+0x19/0x40\nTraza de llamada:\n ib_unregister_mad_agent+0x46/0x2f0 [ib_core]\n IPv6: ADDRCONF(NETDEV_CHANGE): bond0: el enlace est\u00e1 listo\n ? __schedule+0x20b/0x560\n srpt_unregister_mad_agent+0x93/0xd0 [ib_srpt]\n srpt_remove_one+0x20/0x150 [ib_srpt]\n remove_client_context+0x88/0xd0 [ib_core]\n bond0: (esclavo p2p1): estado del enlace definitivamente activo, 100000 Mbps full duplex\n disable_device+0x8a/0x160 [ib_core]\n bond0: \u00a1interfaz activa levantada!\n ? kernfs_name_hash+0x12/0x80\n (dispositivo NULL *): Informaci\u00f3n de Bonding Recibida: rdev: 000000006c0b8247\n __ib_unregister_device+0x42/0xb0 [ib_core]\n (dispositivo NULL *): Maestro: modo: 4 num_slaves:2\n ib_unregister_device+0x22/0x30 [ib_core]\n (dispositivo NULL *): Esclavo: id: 105069936 nombre:p2p1 enlace:0 estado:0\n bnxt_re_stopqps_and_ib_uninit+0x83/0x90 [bnxt_re]\n bnxt_re_alloc_lag+0x12e/0x4e0 [bnxt_re]"
}
],
"id": "CVE-2023-54274",
"lastModified": "2026-06-17T06:47:08.293",
"metrics": {},
"published": "2025-12-30T13:16:16.327",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/00cc21e32ea1b8ebbabf5d645da9378d986bf8ba"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/4323aaedeba32076e652aad056afd7885bb96bb7"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/5f6ef2a574b0e0e0ea46ed0022575442df9d0bf9"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/8ec6acdb9b6a80eeb13e778dfedb5d72a88f14fe"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/b713623bfef8cb1df9c769a3887fa10db63d1c54"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/eca5cd9474cd26d62f9756f536e2e656d3f62f3a"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Deferred"
}
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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.
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- 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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