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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-49805

net: lan966x: Fix potential null-ptr-deref in lan966x_stats_init()

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: net: lan966x: Fix potential null-ptr-deref in lan966x_stats_init() lan966x_stats_init() calls create_singlethread_workqueue() and not checked the ret value, which may return NULL. And a null-ptr-deref may happen: lan966x_stats_init() create_singlethread_workqueue() # failed, lan966x->stats_queue is NULL queue_delayed_work() queue_delayed_work_on() __queue_delayed_work() # warning here, but continue __queue_work() # access wq->flags, null-ptr-deref Check the ret value and return -ENOMEM if it is NULL.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007 to < 4a43c1c6040e848e1344c7b16ac696b68fbc439caffected
  • 12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007 to < ba86af3733aece88dbcee0dfebf7e2dcfefb2be4affected

Linux Linux

Default version status: affected

  • 5.17affected
  • 0 to < 5.17unaffected
  • 6.0.10 to ≤ 6.0.*unaffected
  • 6.1 to ≤ *unaffected

References