Miguel

**Name of the Vulnerable Software and Affected Versions** Linux kernel (affected versions not specified) **Description** A bug in the rustc compiler causes the `-Cforce-unwind-tables=y` flag to emit the `uwtable` annotation only for functions and not for the module. Consequently, compiler-generated functions, such as `asan.module ctor`, do not receive the `uwtable` annotation. When `CONFIG UNWIND PATCH PAC INTO SCS` is enabled, this results in incorrect dwarf information for kasan constructors, leading the SCS boot patching code to patch the constructor illegally. Specifically, the `paciasp` instruction is patched while the `autiasp` instruction is not, causing a system crash during boot when the constructor is called via the `do ctors()` function in the `init/main.c` file. **Recommendations** At the moment, there is no information about a newer version that contains a fix for this vulnerability.