5.5

CVE-2026-53028

usb: typec: Fix error pointer dereference

In the Linux kernel, the following vulnerability has been resolved:

usb: typec: Fix error pointer dereference

The variable tps->partner is checked for an error pointer and then if it
is, it sends an error message but does not return and then immediately
dereferenced a few lines below:

tps->partner = typec_register_partner(tps->port, &desc);
if (IS_ERR(tps->partner))
	dev_warn(tps->dev, "%s: failed to register partnet\n", __func__);

if (desc.identity) {
	typec_partner_set_identity(tps->partner);
	cd321x->cur_partner_identity = st.partner_identity;
}

Add early return and fix spelling mistake in error message.

Detected by Smatch:
drivers/usb/typec/tipd/core.c:827 cd321x_update_work() error:
'tps->partner' dereferencing possible ERR_PTR()
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version >= 6.18 < 6.18.33
LinuxLinux Kernel Version >= 6.19 < 7.0.10
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.12% 0.022
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/19951118fb22b5ad512379ee64510fe0e2c40eb3
Patch
https://git.kernel.org/stable/c/9e31082f92c913d74fefb4e60cd0284e605ba3a3
Patch
https://git.kernel.org/stable/c/f2529d08fcb429ea01bb87c326342f41483f8b2f
Patch