CVE-2022-48948
usb: gadget: uvc: Prevent buffer overflow in setup handler
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Description
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Prevent buffer overflow in setup handler Setup function uvc_function_setup permits control transfer requests with up to 64 bytes of payload (UVC_MAX_REQUEST_SIZE), data stage handler for OUT transfer uses memcpy to copy req->actual bytes to uvc_event->data.data array of size 60. This may result in an overflow of 4 bytes.
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/06fd17ee92c8f1704c7e54ec0fd50ae0542a49a5
- https://git.kernel.org/stable/c/4972e3528b968665b596b5434764ff8fd9446d35
- https://git.kernel.org/stable/c/4c92670b16727365699fe4b19ed32013bab2c107
- https://git.kernel.org/stable/c/6b41a35b41f77821db24f2d8f66794b390a585c5
- https://git.kernel.org/stable/c/7b1f773277a72f9756d47a41b94e43506cce1954
References (9)
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
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
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