CVE-2025-22046 uprobes/x86: Harden uretprobe syscall trampoline check

In the Linux kernel, the following vulnerability has been resolved: uprobes/x86: Harden uretprobe syscall trampoline check Jann reported a possible issue when trampolinecheckip returns address near the bottom of the address space that is allowed to call into the syscall if uretprobes are not set...

CVE-2025-22046

CVE-2025-22046: In the Linux kernel, the uprobes/x86 uretprobe trampoline check was hardened to prevent a trampoline_check_ip path that could allow a call into the syscall from memory addresses near the bottom of the address space if uretprobes were not set up. Root cause: trampoline_check_ip cou...