CVE-2026-53028
概要

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()

公表日 2026年6月25日2:17
登録日 2026年6月27日4:20
最終更新日 2026年6月25日2:17
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