FKIE_CVE-2025-21662
Vulnerability from fkie_nvd - Published: 2025-01-21 13:15 - Updated: 2026-06-17 08:43
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Fix variable not being completed when function returns
When cmd_alloc_index(), fails cmd_work_handler() needs
to complete ent->slotted before returning early.
Otherwise the task which issued the command may hang:
mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry
INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.
Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/13:2 D 0 4055883 2 0x00000228
Workqueue: events mlx5e_tx_dim_work [mlx5_core]
Call trace:
__switch_to+0xe8/0x150
__schedule+0x2a8/0x9b8
schedule+0x2c/0x88
schedule_timeout+0x204/0x478
wait_for_common+0x154/0x250
wait_for_completion+0x28/0x38
cmd_exec+0x7a0/0xa00 [mlx5_core]
mlx5_cmd_exec+0x54/0x80 [mlx5_core]
mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]
mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]
mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]
process_one_work+0x1b0/0x448
worker_thread+0x54/0x468
kthread+0x134/0x138
ret_from_fork+0x10/0x18
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | 6.13 | |
| linux | linux_kernel | 6.13 | |
| linux | linux_kernel | 6.13 | |
| linux | linux_kernel | 6.13 | |
| linux | linux_kernel | 6.13 | |
| linux | linux_kernel | 6.13 |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/cmd.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "f0a2808767ac39f64b1d9a0ff865c255073cf3d4",
"status": "affected",
"version": "4baae687a20ef2b82fde12de3c04461e6f2521d6",
"versionType": "git"
},
{
"lessThan": "229cc10284373fbe754e623b7033dca7e7470ec8",
"status": "affected",
"version": "f9caccdd42e999b74303c9b0643300073ed5d319",
"versionType": "git"
},
{
"lessThan": "36124081f6ffd9dfaad48830bdf106bb82a9457d",
"status": "affected",
"version": "485d65e1357123a697c591a5aeb773994b247ad7",
"versionType": "git"
},
{
"lessThan": "0e2909c6bec9048f49d0c8e16887c63b50b14647",
"status": "affected",
"version": "485d65e1357123a697c591a5aeb773994b247ad7",
"versionType": "git"
},
{
"status": "affected",
"version": "2d0962d05c93de391ce85f6e764df895f47c8918",
"versionType": "git"
},
{
"status": "affected",
"version": "94024332a129c6e4275569d85c0c1bfb2ae2d71b",
"versionType": "git"
},
{
"lessThan": "6.1.125",
"status": "affected",
"version": "6.1.93",
"versionType": "semver"
},
{
"lessThan": "6.6.72",
"status": "affected",
"version": "6.6.33",
"versionType": "semver"
},
{
"lessThan": "6.9",
"status": "affected",
"version": "6.8.12",
"versionType": "semver"
},
{
"lessThan": "6.10",
"status": "affected",
"version": "6.9.3",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/mellanox/mlx5/core/cmd.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.10"
},
{
"lessThan": "6.10",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.125",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.72",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.13",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4FA26D72-18B6-4E77-88A0-A4862B476190",
"versionEndExcluding": "6.1.125",
"versionStartIncluding": "6.1.93",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "369DA6F6-AC32-4CA0-BDE3-A37D9FE910FF",
"versionEndExcluding": "6.6.72",
"versionStartIncluding": "6.6.33",
"vulnerable": true
},
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"matchCriteriaId": "A2D25EF8-8B93-4187-9555-F83C6F1ECA47",
"versionEndExcluding": "6.9",
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"matchCriteriaId": "521D2F8B-DAB3-4DC1-8B89-1613DC605E05",
"versionEndExcluding": "6.12.10",
"versionStartIncluding": "6.9.3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*",
"matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13",
"vulnerable": true
},
{
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"matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*",
"matchCriteriaId": "DE491969-75AE-4A6B-9A58-8FC5AF98798F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*",
"matchCriteriaId": "93C0660D-7FB8-4FBA-892A-B064BA71E49E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*",
"matchCriteriaId": "034C36A6-C481-41F3-AE9A-D116E5BE6895",
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},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*",
"matchCriteriaId": "8AF9DC49-2085-4FFB-A7E3-73DFAFECC7F2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix variable not being completed when function returns\n\nWhen cmd_alloc_index(), fails cmd_work_handler() needs\nto complete ent-\u003eslotted before returning early.\nOtherwise the task which issued the command may hang:\n\n mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry\n INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.\n Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1\n \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n kworker/13:2 D 0 4055883 2 0x00000228\n Workqueue: events mlx5e_tx_dim_work [mlx5_core]\n Call trace:\n __switch_to+0xe8/0x150\n __schedule+0x2a8/0x9b8\n schedule+0x2c/0x88\n schedule_timeout+0x204/0x478\n wait_for_common+0x154/0x250\n wait_for_completion+0x28/0x38\n cmd_exec+0x7a0/0xa00 [mlx5_core]\n mlx5_cmd_exec+0x54/0x80 [mlx5_core]\n mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]\n mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]\n mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]\n process_one_work+0x1b0/0x448\n worker_thread+0x54/0x468\n kthread+0x134/0x138\n ret_from_fork+0x10/0x18"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: Se solucion\u00f3 que la variable no se completara cuando la funci\u00f3n retorna Cuando cmd_alloc_index(), falla cmd_work_handler() debe completar ent-\u0026gt;slotted antes de regresar antes. De lo contrario, la tarea que emiti\u00f3 el comando puede bloquearse: mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): no se pudo asignar la entrada del comando INFO: la tarea kworker/13:2:4055883 se bloque\u00f3 durante m\u00e1s de 120 segundos. No est\u00e1 contaminada 4.19.90-25.44.v2101.ky10.aarch64 #1 \"echo 0 \u0026gt; /proc/sys/kernel/hung_task_timeout_secs\" disables this message. kworker/13:2 D 0 4055883 2 0x00000228 Workqueue: events mlx5e_tx_dim_work [mlx5_core] Call trace: __switch_to+0xe8/0x150 __schedule+0x2a8/0x9b8 schedule+0x2c/0x88 schedule_timeout+0x204/0x478 wait_for_common+0x154/0x250 wait_for_completion+0x28/0x38 cmd_exec+0x7a0/0xa00 [mlx5_core] mlx5_cmd_exec+0x54/0x80 [mlx5_core] mlx5_core_modify_cq+0x6c/0x80 [mlx5_core] mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core] mlx5e_tx_dim_work+0x54/0x68 [mlx5_core] process_one_work+0x1b0/0x448 worker_thread+0x54/0x468 kthread+0x134/0x138 ret_from_fork+0x10/0x18 "
}
],
"id": "CVE-2025-21662",
"lastModified": "2026-06-17T08:43:57.613",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2025-01-21T13:15:09.847",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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|---|
Nomenclature
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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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