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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-49962

xhci: Fix null pointer dereference in remove if xHC has only one roothub

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference in remove if xHC has only one roothub The remove path in xhci platform driver tries to remove and put both main and shared hcds even if only a main hcd exists (one roothub) This causes a null pointer dereference in reboot for those controllers. Check that the shared_hcd exists before trying to remove it.

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

  • e0fe986972f5b6b12086c73569206dd29c520be9 to < 7081b2f34ff291ada012bd6abacaf7d51c4cf73faffected
  • e0fe986972f5b6b12086c73569206dd29c520be9 to < 4a593a62a9e3a25ab4bc37f612e4edec144f7f43affected

Linux Linux

Default version status: affected

  • 5.19affected
  • 0 to < 5.19unaffected
  • 5.19.8 to ≤ 5.19.*unaffected
  • 6.0 to ≤ *unaffected

References