1. Home
  2. CVE Database
  3. CVE-2022-49962
MEDIUM · 5.5

CVE-2022-49962

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 a...

Vulnerability 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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LinuxLinux Kernel>= 5.19, < 5.19.8

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2022-49962?

CVE-2022-49962 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 a...

How severe is CVE-2022-49962?

CVE-2022-49962 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-49962?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.