The vulnerability of the `efivar_entry_get()` function in the `fs/efivarfs/vars.c` file of the Linux kernel file system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the efivarentryget function in the fs/efivarfs/vars.c file of the Linux kernel file system is related to deficiencies in error handling. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

CVE-2026-23156

In the Linux kernel, the following vulnerability has been resolved: efivarfs: fix error propagation in efivarentryget efivarentryget always returns success even if the underlying efivarentryget fails, masking errors. This may result in uninitialized heap memory being copied to userspace in the...

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 efivarentryget efivarentryget always returns success even if the underlying efivarentryget fails, masking errors. This may result in uninitialized heap memory being copied to userspace in the...

CVE-2026-23156

In the Linux kernel, the following vulnerability has been resolved: efivarfs: fix error propagation in efivarentryget efivarentryget always returns success even if the underlying efivarentryget fails, masking errors. This may result in uninitialized heap memory being copied to userspace in the...