| Name | CVE-2024-38595 |
| Description | In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix peer devlink set for SF representor devlink port The cited patch change register devlink flow, and neglect to reflect the changes for peer devlink set logic. Peer devlink set is triggering a call trace if done after devl_register.[1] Hence, align peer devlink set logic with register devlink flow. [1] WARNING: CPU: 4 PID: 3394 at net/devlink/core.c:155 devlink_rel_nested_in_add+0x177/0x180 CPU: 4 PID: 3394 Comm: kworker/u40:1 Not tainted 6.9.0-rc4_for_linust_min_debug_2024_04_16_14_08 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 Workqueue: mlx5_vhca_event0 mlx5_vhca_state_work_handler [mlx5_core] RIP: 0010:devlink_rel_nested_in_add+0x177/0x180 Call Trace: <TASK> ? __warn+0x78/0x120 ? devlink_rel_nested_in_add+0x177/0x180 ? report_bug+0x16d/0x180 ? handle_bug+0x3c/0x60 ? exc_invalid_op+0x14/0x70 ? asm_exc_invalid_op+0x16/0x20 ? devlink_port_init+0x30/0x30 ? devlink_port_type_clear+0x50/0x50 ? devlink_rel_nested_in_add+0x177/0x180 ? devlink_rel_nested_in_add+0xdd/0x180 mlx5_sf_mdev_event+0x74/0xb0 [mlx5_core] notifier_call_chain+0x35/0xb0 blocking_notifier_call_chain+0x3d/0x60 mlx5_blocking_notifier_call_chain+0x22/0x30 [mlx5_core] mlx5_sf_dev_probe+0x185/0x3e0 [mlx5_core] auxiliary_bus_probe+0x38/0x80 ? driver_sysfs_add+0x51/0x80 really_probe+0xc5/0x3a0 ? driver_probe_device+0x90/0x90 __driver_probe_device+0x80/0x160 driver_probe_device+0x1e/0x90 __device_attach_driver+0x7d/0x100 bus_for_each_drv+0x80/0xd0 __device_attach+0xbc/0x1f0 bus_probe_device+0x86/0xa0 device_add+0x64f/0x860 __auxiliary_device_add+0x3b/0xa0 mlx5_sf_dev_add+0x139/0x330 [mlx5_core] mlx5_sf_dev_state_change_handler+0x1e4/0x250 [mlx5_core] notifier_call_chain+0x35/0xb0 blocking_notifier_call_chain+0x3d/0x60 mlx5_vhca_state_work_handler+0x151/0x200 [mlx5_core] process_one_work+0x13f/0x2e0 worker_thread+0x2bd/0x3c0 ? rescuer_thread+0x410/0x410 kthread+0xc4/0xf0 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x2d/0x50 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork_asm+0x11/0x20 </TASK> |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
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