8.1.0

The Switch 8.1.0 system update was released on June 17, 2019. This Switch update was released for the following regions: ALL.

Security flaws fixed: yes.

Change-log

Official ALL change-log:

• General system stability improvements to enhance the user's experience.

FIRM

All files in RomFS were updated.

Package1ldr

package1ldr was updated. The TSEC secureboot firmware was updated.

NX_BOOTLOADER

NX bootloader was updated.

<check back later for diff>

Secure Monitor

The Secure Monitor was updated.

<check back later for diff>

Kernel

Kernel was not changed.

Warmboot

• The firmware revision magic was changed from 0x129 to 0x14A.
• Security Engine state validation was changed (first six keyslots now expected to read zeroes instead of FFs).
• <check back for more diffs later>

FIRM Sysmodules

FIRM sysmodules were updated. Specific diffs available below:

Boot

Only GNU build hash was updated.

FS

Only GNU build hash was updated.

Loader

• ldr:pm->CreateProcess() now performs additional validation on the NPDM header.
  • When the title id is one of certain hardcoded titles, Loader now validates that the version field at NPDM header is non-zero. This prevents selectively downgrading those titles to versions vulnerable to known exploits.
  • The titles checked are:
    • settings
    • bus
    • audio
    • nvservices
    • ns
    • ssl
    • es
    • creport
    • ro

NCM

Only GNU build hash was updated.

PM

Only GNU build hash was updated.

SM

SM was not updated.

SPL

SPL was not updated.

System Titles

No changes with IPC service commands.

Titles' RomFS changes:

• BrowserDll: the NROs and buildinfo were updated.

Keys

Keys were updated.

See Also

System update report(s):

• [1]