usb: typec: tipd: fix uninitialized typec_partner_desc in tps6598x_connect()
tps6598x_connect() passes a stack-allocated typec_partner_desc to
typec_register_partner() after initializing only usb_pd, accessory and
identity.
typec_register_partner() copies attach and deattach from the descriptor
into the partner. With those fields left unset, garbage function pointers
may be stored and later invoked from typec_partner_link_device() when a USB
device is linked to the port. Uninitialized pd_revision and usb_capability
similarly leak stack data through partner sysfs.
Zero-initialize the descriptor so optional callbacks remain NULL and the
remaining fields are zero.
Metrics
Affected Vendors & Products
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Solution
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Workaround
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Sun, 18 Oct 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 CWE-457 |
Sun, 18 Oct 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: usb: typec: tipd: fix uninitialized typec_partner_desc in tps6598x_connect() tps6598x_connect() passes a stack-allocated typec_partner_desc to typec_register_partner() after initializing only usb_pd, accessory and identity. typec_register_partner() copies attach and deattach from the descriptor into the partner. With those fields left unset, garbage function pointers may be stored and later invoked from typec_partner_link_device() when a USB device is linked to the port. Uninitialized pd_revision and usb_capability similarly leak stack data through partner sysfs. Zero-initialize the descriptor so optional callbacks remain NULL and the remaining fields are zero. | |
| Title | usb: typec: tipd: fix uninitialized typec_partner_desc in tps6598x_connect() | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
Projects
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MITRE
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-10-18T15:47:50.759Z
Reserved: 2026-09-25T10:25:14.368Z
Link: CVE-2026-98760
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-10-18T16:17:29.800
Modified: 2026-10-18T16:17:29.800
Link: CVE-2026-98760
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-10-18T20:00:12Z