CVE-2026-63873: Linux

EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range() aie2_populate_range() jumps back to the again label without calling mmput(mm), leaking a reference to the mm_struct. Add the missing mmput() before jumping to again.

Affected products

• Linux Linux: from 6.16, before 6.18.36 (fixed in 6.18.36); from 6.19, before 7.0.13 (fixed in 7.0.13)

Published 2026-07-19. Last modified 2026-07-27.