cve-2024-35961
Vulnerability from cvelistv5
Published
2024-05-20 09:41
Modified
2024-12-19 08:59
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Register devlink first under devlink lock In case device is having a non fatal FW error during probe, the driver will report the error to user via devlink. This will trigger a WARN_ON, since mlx5 is calling devlink_register() last. In order to avoid the WARN_ON[1], change mlx5 to invoke devl_register() first under devlink lock. [1] WARNING: CPU: 5 PID: 227 at net/devlink/health.c:483 devlink_recover_notify.constprop.0+0xb8/0xc0 CPU: 5 PID: 227 Comm: kworker/u16:3 Not tainted 6.4.0-rc5_for_upstream_min_debug_2023_06_12_12_38 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 Workqueue: mlx5_health0000:08:00.0 mlx5_fw_reporter_err_work [mlx5_core] RIP: 0010:devlink_recover_notify.constprop.0+0xb8/0xc0 Call Trace: <TASK> ? __warn+0x79/0x120 ? devlink_recover_notify.constprop.0+0xb8/0xc0 ? report_bug+0x17c/0x190 ? handle_bug+0x3c/0x60 ? exc_invalid_op+0x14/0x70 ? asm_exc_invalid_op+0x16/0x20 ? devlink_recover_notify.constprop.0+0xb8/0xc0 devlink_health_report+0x4a/0x1c0 mlx5_fw_reporter_err_work+0xa4/0xd0 [mlx5_core] process_one_work+0x1bb/0x3c0 ? process_one_work+0x3c0/0x3c0 worker_thread+0x4d/0x3c0 ? process_one_work+0x3c0/0x3c0 kthread+0xc6/0xf0 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 </TASK>
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8c91c60858473731bcdaf04fda99fcbcf84420d4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/967caa3d37c078e5b95a32094657e6a4cad145f0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c6e77aa9dd82bc18a89bf49418f8f7e961cfccc8
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8c91c60858473731bcdaf04fda99fcbcf84420d4
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/967caa3d37c078e5b95a32094657e6a4cad145f0
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c6e77aa9dd82bc18a89bf49418f8f7e961cfccc8
Impacted products
Vendor Product Version
Linux Linux Version: cf530217408e3686f7002429769ede59dd931151
Version: cf530217408e3686f7002429769ede59dd931151
Version: cf530217408e3686f7002429769ede59dd931151
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   Linux Linux Version: 5.16
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}


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