Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 4baae687a20ef2b82fde12de3c04461e6f2521d6 before f0a2808767ac39f64b1d9a0ff865c255073cf3d4; affected f9caccdd42e999b74303c9b0643300073ed5d319 before 229cc10284373fbe754e623b7033dca7e7470ec8; affected 485d65e1357123a697c591a5aeb773994b247ad7 before 36124081f6ffd9dfaad48830bdf106bb82a9457d; affected 485d65e1357123a697c591a5aeb773994b247ad7 before 0e2909c6bec9048f49d0c8e16887c63b50b14647; affected 2d0962d05c93de391ce85f6e764df895f47c8918; affected 94024332a129c6e4275569d85c0c1bfb2ae2d71b; affected 6.1.93 before 6.1.125; affected 6.6.33 before 6.6.72; affected 6.8.12 before 6.9; affected 6.9.3 before 6.10 |
| Linux / Linux | affected 6.10; unaffected 0 before 6.10; unaffected 6.1.125 through 6.1.*; unaffected 6.6.72 through 6.6.*; unaffected 6.12.10 through 6.12.*; unaffected 6.13 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4
- https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8
- https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d
- https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647
ADP enrichment
No English description supplied.