In the Linux kernel, the following vulnerability has been resolved: ALSA: aoa: check snd_ctl_new1() return value snd_ctl_new1() can return NULL when memory allocation fails. In layout.c, the function does not check the return value before dereferencing ctl->id.name or passing to aoa_snd_ctl_add(), which can lead to a NULL pointer dereference. Add NULL checks after snd_ctl_new1() calls and return early if any fails.

A flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ALSA) 'aoa' component. This vulnerability arises when a specific function, `snd_ctl_new1()`, fails to allocate memory and returns an invalid pointer. The kernel then attempts to use this invalid pointer, which can cause the system to crash. This could allow a local attacker to trigger a Denial of Service (DoS) condition, making the system unavailable.

Red Hat Enterprise Linux 10 Not affected kernel Red Hat Enterprise Linux 6 Out of support scope 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-2026-64488 https://nvd.nist.gov/vuln/detail/CVE-2026-64488 https://lore.kernel.org/linux-cve-announce/2026072549-CVE-2026-64488-26ce@gregkh/T