CVE-2022-49962

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.

Reserved 2025-06-18 | Published 2025-06-18 | Updated 2025-06-18 | Assigner Linux

Product status

Default status
unaffected

e0fe986972f5b6b12086c73569206dd29c520be9 before 7081b2f34ff291ada012bd6abacaf7d51c4cf73f
affected

e0fe986972f5b6b12086c73569206dd29c520be9 before 4a593a62a9e3a25ab4bc37f612e4edec144f7f43
affected

Default status
affected

5.19
affected

Any version before 5.19
unaffected

5.19.8
unaffected

6.0
unaffected

References

git.kernel.org/...c/7081b2f34ff291ada012bd6abacaf7d51c4cf73f

git.kernel.org/...c/4a593a62a9e3a25ab4bc37f612e4edec144f7f43

cve.org (CVE-2022-49962)

nvd.nist.gov (CVE-2022-49962)

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