CVE-2024-42075: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arena_vm_close.

Affected products

• Linux Linux Kernel: before 6.9 (fixed in 6.9); from 6.9.1, before 6.9.8 (fixed in 6.9.8)

Published 2024-07-29. Last modified 2026-08-04.