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CVE-2024-42268

net/mlx5: Fix missing lock on sync reset reload PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix missing lock on sync reset reload On sync reset reload work, when remote host updates devlink on reload actions performed on that host, it misses taking devlink lock before calling devlink_remote_reload_actions_performed() which results in triggering lock assert like the following: WARNING: CPU: 4 PID: 1164 at net/devlink/core.c:261 devl_assert_locked+0x3e/0x50 … CPU: 4 PID: 1164 Comm: kworker/u96:6 Tainted: G S W 6.10.0-rc2+ #116 Hardware name: Supermicro SYS-2028TP-DECTR/X10DRT-PT, BIOS 2.0 12/18/2015 Workqueue: mlx5_fw_reset_events mlx5_sync_reset_reload_work [mlx5_core] RIP: 0010:devl_assert_locked+0x3e/0x50 … Call Trace: <TASK> ? __warn+0xa4/0x210 ? devl_assert_locked+0x3e/0x50 ? report_bug+0x160/0x280 ? handle_bug+0x3f/0x80 ? exc_invalid_op+0x17/0x40 ? asm_exc_invalid_op+0x1a/0x20 ? devl_assert_locked+0x3e/0x50 devlink_notify+0x88/0x2b0 ? mlx5_attach_device+0x20c/0x230 [mlx5_core] ? __pfx_devlink_notify+0x10/0x10 ? process_one_work+0x4b6/0xbb0 process_one_work+0x4b6/0xbb0 […]

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 84a433a40d0ebf3bbf36b8bfa58c6f45dc782344 before 5d07d1d40aabfd61bab21115639bd4f641db6002; affected 84a433a40d0ebf3bbf36b8bfa58c6f45dc782344 before 98884e89c90d077f6fe6ba18e6cf6f914642f04e; affected 84a433a40d0ebf3bbf36b8bfa58c6f45dc782344 before 091268f3c27a5b6d7858a3bb2a0dbcc9cd26ddb5; affected 84a433a40d0ebf3bbf36b8bfa58c6f45dc782344 before 572f9caa9e7295f8c8822e4122c7ae8f1c412ff9
Linux / Linuxaffected 6.0; unaffected 0 before 6.0; unaffected 6.1.104 through 6.1.*; unaffected 6.6.45 through 6.6.*; unaffected 6.10.4 through 6.10.*; unaffected 6.11 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.