Impact
The issue arises when the ALSA ice1712 audio driver calls a memory allocation routine that can return NULL. The driver fails to check this return value and dereferences the pointer in multiple locations. This oversight can trigger a null‑pointer dereference that crashes the kernel, causing a system reboot or other interruption of all services. The weakness is a classic null‑pointer dereference as defined by CWE-476.
Affected Systems
Vulnerable components are the Linux kernel audio drivers ice1712, ice1724, and aureon. Any kernel build that includes these modules without the newly added NULL checks is at risk. No specific version ranges are listed, so any Linux kernel distribution that ships an unpatched copy of these drivers is susceptible.
Risk and Exploitability
The EPSS score is below 1% and the vulnerability is not part of the CISA KEV catalog, indicating a low probability of exploitation. The likely attack vector requires local user‑space interaction with the ALSA subsystem; an attacker who can provoke a memory allocation failure in the driver could force the null‑pointer dereference. The impact is a local denial of service that could affect all users of the machine once the kernel crashes. No recognized mitigations exist beyond the patch or disabling the vulnerable driver.
OpenCVE Enrichment
Debian DLA