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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-49806

net: microchip: sparx5: Fix potential null-ptr-deref in sparx_stats_init() and sparx5_start()

Description

In the Linux kernel, the following vulnerability has been resolved: net: microchip: sparx5: Fix potential null-ptr-deref in sparx_stats_init() and sparx5_start() sparx_stats_init() calls create_singlethread_workqueue() and not checked the ret value, which may return NULL. And a null-ptr-deref may happen: sparx_stats_init() create_singlethread_workqueue() # failed, sparx5->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. So as sparx5_start().

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

  • b37a1bae742f92cc9b1f777d54e04ee3d86bbfc2 to < 80e590aeb132887102c3fa79d99b338f099dc952affected
  • b37a1bae742f92cc9b1f777d54e04ee3d86bbfc2 to < 456327e565dc49d18b2f595f39f47df8a36f1057affected
  • b37a1bae742f92cc9b1f777d54e04ee3d86bbfc2 to < 639f5d006e36bb303f525d9479448c412b720c39affected

Linux Linux

Default version status: affected

  • 5.14affected
  • 0 to < 5.14unaffected
  • 5.15.80 to ≤ 5.15.*unaffected
  • 6.0.10 to ≤ 6.0.*unaffected
  • 6.1 to ≤ *unaffected

References