A flaw was found in the Linux kernel's TH1520 AON firmware protocol driver. This buffer overflow vulnerability arises from unsafe pointer arithmetic used to access the 'mode' field through the 'resource' pointer with an offset. This could potentially lead to memory corruption within the kernel.

Red Hat Enterprise Linux 10 Not affected kernel Red Hat Enterprise Linux 6 Not affected kernel Red Hat Enterprise Linux 7 Not affected kernel Red Hat Enterprise Linux 7 Not affected kernel-rt Red Hat Enterprise Linux 8 Not affected kernel Red Hat Enterprise Linux 8 Not affected kernel-rt Red Hat Enterprise Linux 9 Not affected kernel Red Hat Enterprise Linux 9 Not affected kernel-rt https://www.cve.org/CVERecord?id=CVE-2026-31690 https://nvd.nist.gov/vuln/detail/CVE-2026-31690 https://lore.kernel.org/linux-cve-announce/2026042757-CVE-2026-31690-018e@gregkh/T