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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
0a4c005bd1715d8b32a368ed5516a6ee7e603d18 affected < 4b6823ce0e548491cb9663303cba28e18d351096
0a4c005bd1715d8b32a368ed5516a6ee7e603d18 affected < 282be6ae8be791762740107c79cecf5121f66063
0a4c005bd1715d8b32a368ed5516a6ee7e603d18 affected < dac0c073c6ad5f1bbb5e9fea9023fc1b4dab5e14
0a4c005bd1715d8b32a368ed5516a6ee7e603d18 affected < c4b27b3605788bbf9e4251f3cd4ab94645ab036f
Linux Linux affected
Version Status Constraints
4.15 affected —
0 unaffected < 4.15
6.12.113 unaffected ≤ 6.12.*
6.18.56 unaffected ≤ 6.18.*
7.2.10 unaffected ≤ 7.2.*
7.3-rc6 unaffected ≤ *

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Workaround

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References
Link Providers
https://git.kernel.org/stable/c/282be6ae8be791762740107c79cecf5121f66063 cve-icon cve-icon
https://git.kernel.org/stable/c/4b6823ce0e548491cb9663303cba28e18d351096 cve-icon cve-icon
https://git.kernel.org/stable/c/c4b27b3605788bbf9e4251f3cd4ab94645ab036f cve-icon cve-icon
https://git.kernel.org/stable/c/dac0c073c6ad5f1bbb5e9fea9023fc1b4dab5e14 cve-icon cve-icon
History

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

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-10-18T15:47:50.759Z

Reserved: 2026-09-25T10:25:14.368Z

Link: CVE-2026-98760

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-18T16:17:29.800

Modified: 2026-10-18T16:17:29.800

Link: CVE-2026-98760

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-18T20:00:12Z

Weaknesses