SB20260727146 - NULL pointer dereference in Linux kernel hid driver

Description

This security bulletin contains information about 1 vulnerability.

1) NULL pointer dereference (CVE-ID: CVE-2026-64427)

CWE-ID: CWE-476 - NULL Pointer Dereference

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 a NULL pointer dereference in the logi_dj_probe function in the hid-logitech-dj driver when probing a crafted Logitech DJ short output report descriptor. A local user can emulate a crafted device descriptor to cause a denial of service.

This issue is reproducible through uhid by emulating a Logitech receiver with a padding-only DJ short output report.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/590cc4d782487632a52f37c2171bee1eeea29627
• https://git.kernel.org/stable/c/7a89ad762fad53d56b7002d7ffc923a4b7f4006f