CVE-2022-49712
usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe
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Description
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. of_node_put() will check NULL pointer.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/0ef6917c0524da5b88496b9706628ffef108b9bb
- https://git.kernel.org/stable/c/2a598da14856ead80c726b38ba426c68637d9211
- https://git.kernel.org/stable/c/46da1e4a8b6329479433b2a4056941dfdd7f3efd
- https://git.kernel.org/stable/c/4757c9ade34178b351580133771f510b5ffcf9c8
- https://git.kernel.org/stable/c/57901c658f77d9ea2e772f35cb38e47efb54c558
References (8)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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