CVE-2026-80648

CVE CVE-2026-80648EUVD EUVD-2026-67524Published 2026-08-28T06:48:57.000Z

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: pinctrl: spacemit: fix NULL check in spacemit_pin_set_config spacemit_pin_set_config() looks up the per-pin descriptor with spacemit_get_pin() then checks the wrong variable for failure: const struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin); ... if (!pin) return -EINVAL; reg = spacemit_pin_to_reg(pctrl, spin->pin); pin is an unsigned int pin id, where 0 (GPIO_0 / gmac0_rxdv on K3) is a valid pin, so rejecting it here drops the PAD config write for the first pin of every group. On K3 Pico-ITX the GMAC RGMII group lists pin 0 as its first entry, so its drive-strength / bias configuration was silently ignored. The intended guard is against spacemit_get_pin() returning NULL when the pin id isn't in the SoC's pin table. Check spin instead, which both restores PAD setup for pin 0 and prevents a NULL deref on spin->pin.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

• Linux — Linux patch: 7.1.5; a83c29e1d145cca5240952100acd1cd60f25fb5f <d3b53f0eda26e442ff97016ad4a0724db8fd3781; patch: 6.18.40; patch: 0; 6.13; a83c29e1d145cca5240952100acd1cd60f25fb5f <09c816e5c4d3a8d6d6e4b7537433e5e98505d934; a83c29e1d145cca5240952100acd1cd60f25fb5f <7a551951ebeb5b3f05bdb04a73d4593869c984c4; patch: 7.2

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

• Linux — Linux

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