CVE-2026-23156

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> efivarfs: fix error propagation in efivar_entry_get()<br /> <br /> efivar_entry_get() always returns success even if the underlying<br /> __efivar_entry_get() fails, masking errors.<br /> <br /> This may result in uninitialized heap memory being copied to userspace<br /> in the efivarfs_file_read() path.<br /> <br /> Fix it by returning the error from __efivar_entry_get().