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release v0.9.1: VM verification sweep 22 → 27
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Five more CVEs empirically confirmed end-to-end against real Linux VMs:
- CVE-2019-14287 sudo_runas_neg1 (Ubuntu 18.04 + sudoers grant)
- CVE-2020-29661 tioscpgrp        (Ubuntu 20.04 pinned to 5.4.0-26)
- CVE-2024-26581 nft_pipapo       (Ubuntu 22.04 + mainline 5.15.5)
- CVE-2025-32463 sudo_chwoot      (Ubuntu 22.04 + sudo 1.9.16p1 from source)
- CVE-2025-6019  udisks_libblockdev (Debian 12 + udisks2 + polkit rule)

Required real plumbing work:
- Per-module provisioner hook (tools/verify-vm/provisioners/<module>.sh)
- Two-phase provision in verify.sh (prep → reboot if needed → verify)
  fixes silent-fail where new kernel installed but VM never rebooted
- GRUB_DEFAULT pinning in both pin-kernel and pin-mainline blocks
  (kernel downgrades like 5.4.0-169 → 5.4.0-26 now actually boot the target)
- Old-mainline URL fallback in pin-mainline (≤ 4.15 debs at /v$KVER/ not /amd64/)

mutagen_astronomy marked manual: true — mainline 4.14.70 kernel-panics on
Ubuntu 18.04's rootfs ('Failed to execute /init (error -8)' — kernel config
mismatch). Genuinely needs a CentOS 6 / Debian 7 image.
This commit is contained in:
KaraZajac
2026-05-23 23:35:02 -04:00
parent 270ddc1681
commit 8ac041a295
12 changed files with 230 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files
docs/VERIFICATIONS.jsonl
+5
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@@ -28,3 +28,8 @@
{"module":"af_unix_gc","verified_at":"2026-05-23T21:27:13Z","host_kernel":"5.15.5-051505-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
{"module":"nft_set_uaf","verified_at":"2026-05-23T21:30:41Z","host_kernel":"5.15.5-051505-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
{"module":"stackrot","verified_at":"2026-05-23T21:34:12Z","host_kernel":"6.1.10-060110-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
{"module":"sudo_chwoot","verified_at":"2026-05-24T02:39:11Z","host_kernel":"5.15.0-91-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
{"module":"udisks_libblockdev","verified_at":"2026-05-24T02:44:17Z","host_kernel":"6.1.0-17-amd64","host_distro":"Debian GNU/Linux 12 (bookworm)","vm_box":"generic/debian12","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
{"module":"nft_pipapo","verified_at":"2026-05-24T03:27:10Z","host_kernel":"5.15.5-051505-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
{"module":"sudo_runas_neg1","verified_at":"2026-05-24T03:29:18Z","host_kernel":"4.15.0-213-generic","host_distro":"Ubuntu 18.04.6 LTS","vm_box":"generic/ubuntu1804","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
{"module":"tioscpgrp","verified_at":"2026-05-24T03:31:08Z","host_kernel":"5.4.0-26-generic","host_distro":"Ubuntu 20.04.6 LTS","vm_box":"generic/ubuntu2004","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}