CVE-2026-89440 mmc: via-sdmmc: stop card-detect handling on probe failure

In the Linux kernel, the following vulnerability has been resolved: mmc: via-sdmmc: stop card-detect handling on probe failure requestirq registers the SD card-detect interrupt and the probe enables it before mmcaddhost runs. If mmcaddhost fails, the error path only unmaps the registers and...

CVE-2026-89440

CVE-2026-89440 is a use-after-free vulnerability in the Linux kernel's via-sdmmc MMC driver. During device probe, the SD card-detect interrupt is registered before mmc_add_host() runs. If that call fails, the error path only unmaps registers and returns, leaving the interrupt registered. The hand...

PT-2026-90156

In the Linux kernel, the following vulnerability has been resolved: mmc: via-sdmmc: stop card-detect handling on probe failure request irq registers the SD card-detect interrupt and the probe enables it before mmc add host runs. If mmc add host fails, the error path only unmaps the registers and...