antarcticrainforest
/ blacklist-algif-aead-initcall.sh
Last active
April 30, 2026 11:27
Temporarily mitigate Copy Fail / CVE-2026-31431 on built-in algif_aead kernels by adding initcall_blacklist=algif_aead_init to GRUB.
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| #!/usr/bin/env bash | |
| set -euo pipefail | |
| INITCALL="algif_aead_init" | |
| GRUB_FILE="/etc/default/grub" | |
| GRUB_CONF_LINK="/etc/grub2.conf" | |
| if [ "$(id -u)" -ne 0 ]; then | |
| echo "Please run as root: sudo $0" >&2 | |
| exit 1 |
antarcticrainforest
/ harden-af-alg-containers.sh
Last active
April 30, 2026 06:55
Container hardening script for Copy Fail / CVE-2026-31431: installs a seccomp profile that blocks AF_ALG socket creation for Docker or Podman, rootful or rootless.
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| #!/usr/bin/env bash | |
| set -Eeuo pipefail | |
| AF_ALG_NR=38 | |
| PROFILE_NAME="seccomp-no-af-alg.json" | |
| PODMAN_DROPIN_NAME="99-no-af-alg-seccomp.conf" | |
| DEFAULT_PROFILE_URL="${DEFAULT_PROFILE_URL:-https://raw.githubusercontent.com/moby/profiles/main/seccomp/default.json}" | |
| ENGINE="auto" | |
| SCOPE="auto" |
antarcticrainforest
/ .block
Created
March 24, 2023 17:32
— forked from mbostock/.block
Collapsible Tree
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| license: gpl-3.0 | |
| redirect: https://observablehq.com/@d3/d3-collapsible-tree |