CVE-2026-63837 net: ena: PHC: Check return code before setting timestamp output

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Check return code before setting timestamp output enaphcgettimex64 is setting the output parameter regardless of whether enacomphcgettimestamp succeeded or failed. When enacomphcgettimestamp returns an error, the...

CVE-2026-63837

The CVE affects the Linux kernel ENA PHC path. In ena_phc_gettimex64, the output timestamp was written to the user via the PTP ioctl regardless of whether ena_com_phc_get_timestamp() succeeded. If an error occurs (e.g., PHC disabled or blocked), the timestamp could contain uninitialized memory or...

CVE-2026-63837 net: ena: PHC: Check return code before setting timestamp output

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Check return code before setting timestamp output enaphcgettimex64 is setting the output parameter regardless of whether enacomphcgettimestamp succeeded or failed. When enacomphcgettimestamp returns an error, the...