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[F] Add modprobe config to mitigate dirtyfrag & copyfail #1

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[F] Add modprobe config to mitigate dirtyfrag & copyfail #1

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13 changes: 12 additions & 1 deletion hosts/ctvp.nix
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
{ modulesPath, ... }:
{ modulesPath, pkgs, ... }:
{
system.stateVersion = "24.05";
imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
Expand All @@ -13,4 +13,15 @@
security.sudo.wheelNeedsPassword = false;
networking.firewall.enable = false;

boot.extraModprobeConfig = ''
# Mitigate CVE-2026-43284 CVE-2026-43500 https://dirtyfrag.io
# https://github.com/V4bel/dirtyfrag
install esp4 ${pkgs.coreutils}/bin/false
install esp6 ${pkgs.coreutils}/bin/false
install rxrpc ${pkgs.coreutils}/bin/false

# Mitigate CVE-2026-31431 https://copy.fail
# https://github.com/theori-io/copy-fail-CVE-2026-31431
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install algif_aead ${pkgs.coreutils}/bin/false
'';
}