Home Assistant OS 18.5

[sairon]

Changes

Home Assistant OS 18.5 is a security release that only updates the Linux kernel for Raspberry Pi and Home Assistant Yellow to 6.18.59. The update picks up the fix for CVE-2026-98432, a use-after-free in the IPv4 socket options handling of the networking stack. All other boards already received this fix with the kernel update in 18.4.

Note

To our knowledge, this vulnerability is not being widely exploited in the wild. Users who expose their Raspberry Pi directly to the internet or run it on untrusted networks are encouraged to update.

Home Assistant Operating System

• Use a single Linux patch directory for all boards again (Use a single Linux patch directory for all boards again #5139) @agners

Raspberry Pi

• RaspberryPi: Update kernel to 6.18.59 (RaspberryPi: Update kernel to 6.18.58 #5138, RaspberryPi: Update kernel to 6.18.59 - 9b488bc7a1e9b61713082f3e6c4361988d62f77b #5156) @agners, @sairon

Home Assistant Yellow

• RaspberryPi: Update kernel to 6.18.59 (RaspberryPi: Update kernel to 6.18.58 #5138, RaspberryPi: Update kernel to 6.18.59 - 9b488bc7a1e9b61713082f3e6c4361988d62f77b #5156) @agners, @sairon;

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This discussion was created from the release Home Assistant OS 18.5.

[sailatrium-cmyk]

reeleae 18.5 not conatain x64 images so any scripts that link to github to get latest img fail - add theese to the asset list even if not updated!

[panzer-arc]

When does the update typically become available to install?

[p-makowski]

@sairon When 18.5 is going to be added to https://version.home-assistant.io/stable.json ?