CVE-2026-43258 | Linux Kernel up to 6.12.74/6.18.15/6.19.5 alpha flush_tlb_other heap-based overflow
A vulnerability identified as critical has been detected in Linux Kernel up to 6.12.74/6.18.15/6.19.5. This vulnerability affects the function flush_tlb_other of the component alpha. Performing a manipulation results in heap-based buffer overflow.
This vulnerability is cataloged as CVE-2026-43258. The attack must originate from the local network. There is no exploit available.
You should upgrade the affected component.