CVE-2026-23156 — efivarfs: fix error propagation in efivar_entry_get()
In the Linux kernel, the following vulnerability has been resolved: efivarfs: fix error propagation in efivar_entry_get() efivar_entry_get() always returns success even if the…
Published: 2026-02-14 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: efivarfs: fix error propagation in efivar_entry_get() efivar_entry_get() always returns success even if the underlying __efivar_entry_get() fails, masking errors. This may result in uninitialized heap memory being copied to userspace in the efivarfs_file_read() path. Fix it by returning the error from __efivar_entry_get().
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7