ghsa-2ww6-2gwx-v942
Vulnerability from github
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
{
"affected": [],
"aliases": [
"CVE-2025-21662"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-01-21T13:15:09Z",
"severity": null
},
"details": "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",
"id": "GHSA-2ww6-2gwx-v942",
"modified": "2025-01-21T15:31:03Z",
"published": "2025-01-21T15:31:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21662"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4"
}
],
"schema_version": "1.4.0",
"severity": []
}
Sightings
| Author | Source | Type | Date |
|---|
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