SB20260727296 - Improper control of a resource through its lifetime in Linux kernel i2c busses driver

Description

This security bulletin contains information about 1 vulnerability.

1) Improper control of a resource through its lifetime (CVE-ID: CVE-2026-64278)

CWE-ID: CWE-664 - Improper control of a resource through its lifetime

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper resource state handling in the i2c-imx-lpi2c driver when processing I2C transfers during the suspend and resume noirq window. A local user can trigger an I2C transfer while controller resources are unavailable to cause a denial of service.

The issue occurs on some i.MX platforms when periodic workqueue activity continues across system suspend and resume.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/218cfe364b55b2768221629bd4a69ad190b7fbbc
• https://git.kernel.org/stable/c/5800647d19d3f1f747fda4dc67e55d6afa6ee119
• https://git.kernel.org/stable/c/b2523f26979e0b5bd1422772176b2233fcd1f6d0