SB2026102252 - Missing Release of Resource after Effective Lifetime in Linux kernel nfc driver

Description

This security bulletin contains information about 1 vulnerability.

1) Missing Release of Resource after Effective Lifetime (CVE-ID: CVE-2026-98480)

CWE-ID: CWE-772 - Missing Release of Resource after Effective Lifetime

CVSSv4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

The vulnerability allows a local user to leave an NFC device powered on after a failed startup, potentially causing unnecessary power consumption.

The vulnerability exists due to missing release of a power-management resource in trf7970a_startup() when a register read or write fails while applying optional RX gain reduction. A local user can potentially trigger an affected startup attempt to leave the device powered on with an unreleased VIN regulator reference.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/6ef70d790425e76b42c69e416ee78c62bdc37d00
• https://git.kernel.org/stable/c/cc444e4ad43461374dd128573eccb8979d2adb4c
• https://git.kernel.org/stable/c/d2acbde7e67df44efa8f0963462d1192e7694ffc