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SKELETONKEY/docs/CVE_METADATA.json
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modules: add bad_epoll (CVE-2026-46242, "Bad Epoll" epoll teardown race UAF) 
Jaeyoung Chung's kernelCTF "Bad Epoll": a race-condition use-after-free in
fs/eventpoll.c. ep_remove() clears file->f_ep under f_lock but keeps using
the file (hlist_del_rcu + unlock) while a concurrent __fput() frees the
still-referenced struct eventpoll. Reachable by any unprivileged user with
no userns / CONFIG / capability; weaponised via cross-cache to a struct
file, /proc/self/fdinfo arb-read, and ROP. Introduced 58c9b016e128 (6.4),
fixed a6dc643c6931 (7.1-rc1), stable backport 7.0.13. CWE-416; not in KEV.

The corpus's first epoll / VFS-teardown module. Shipped as a reconstructed,
deliberately under-driven trigger on the stackrot / nft_catchall contract:
detect() is a pure version gate (>= 6.4 and below the on-branch fix; no
userns precondition -- epoll needs none); exploit() forks a CPU-pinned
child that exercises the ep_remove-vs-__fput close window a hard-bounded 48
attempts / 2s and returns EXPLOIT_FAIL. It does not grind the race to a
win, does not do the cross-cache reclaim, and does not bundle the fdinfo
R/W + ROP (a won race frees a live struct file and rarely trips KASAN ->
silent-corruption risk).

Wired: registry, Makefile, safety rank (12 -- lowest in the corpus; a
kernel race is the least predictable class), 5 detect() test rows (version
gating), CVE metadata (sorted insert, CWE-416 / T1068 / not-KEV), README +
CVES.md + website counts (44/39), RELEASE_NOTES v0.9.12, and a verify-vm
target (sweep pending). Detection rules are intentionally weak/structural
(epoll ubiquitous, rarely KASAN) -- post-exploitation euid-0 transition,
no yara. Also corrects pre-existing README drift in the "not yet verified"
count (8 -> 11). Not VM-verified, so the verified count stays 28 of 39.
Version 0.9.12. Credit: Jaeyoung Chung (J-jaeyoung).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KUq4DGXSPBmPkAyJ9WnM9n
2026-07-04 19:35:33 -04:00

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[
{
"cve": "CVE-2016-5195",
"module_dir": "dirty_cow_cve_2016_5195",
"cwe": "CWE-362",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2022-03-03"
},
{
"cve": "CVE-2017-7308",
"module_dir": "af_packet_cve_2017_7308",
"cwe": "CWE-681",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2018-14634",
"module_dir": "mutagen_astronomy_cve_2018_14634",
"cwe": "CWE-190",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2026-01-26"
},
{
"cve": "CVE-2019-13272",
"module_dir": "ptrace_traceme_cve_2019_13272",
"cwe": null,
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2021-12-10"
},
{
"cve": "CVE-2019-14287",
"module_dir": "sudo_runas_neg1_cve_2019_14287",
"cwe": "CWE-755",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2020-14386",
"module_dir": "af_packet2_cve_2020_14386",
"cwe": "CWE-250",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2020-29661",
"module_dir": "tioscpgrp_cve_2020_29661",
"cwe": "CWE-416",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2021-22555",
"module_dir": "netfilter_xtcompat_cve_2021_22555",
"cwe": "CWE-787",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2025-10-06"
},
{
"cve": "CVE-2021-3156",
"module_dir": "sudo_samedit_cve_2021_3156",
"cwe": "CWE-193",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2022-04-06"
},
{
"cve": "CVE-2021-33909",
"module_dir": "sequoia_cve_2021_33909",
"cwe": "CWE-190",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2021-3493",
"module_dir": "overlayfs_cve_2021_3493",
"cwe": "CWE-270",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2022-10-20"
},
{
"cve": "CVE-2021-4034",
"module_dir": "pwnkit_cve_2021_4034",
"cwe": "CWE-787",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2022-06-27"
},
{
"cve": "CVE-2022-0185",
"module_dir": "fuse_legacy_cve_2022_0185",
"cwe": "CWE-190",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2024-08-21"
},
{
"cve": "CVE-2022-0492",
"module_dir": "cgroup_release_agent_cve_2022_0492",
"cwe": "CWE-287",
"attack_technique": "T1611",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2026-06-02"
},
{
"cve": "CVE-2022-0847",
"module_dir": "dirty_pipe_cve_2022_0847",
"cwe": "CWE-665",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2022-04-25"
},
{
"cve": "CVE-2022-25636",
"module_dir": "nft_fwd_dup_cve_2022_25636",
"cwe": "CWE-269",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2022-2588",
"module_dir": "cls_route4_cve_2022_2588",
"cwe": "CWE-416",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2023-0179",
"module_dir": "nft_payload_cve_2023_0179",
"cwe": "CWE-190",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2023-0386",
"module_dir": "overlayfs_setuid_cve_2023_0386",
"cwe": "CWE-282",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2025-06-17"
},
{
"cve": "CVE-2023-0458",
"module_dir": "entrybleed_cve_2023_0458",
"cwe": "CWE-476",
"attack_technique": "T1082",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2023-2008",
"module_dir": "vmwgfx_cve_2023_2008",
"cwe": "CWE-129",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2023-22809",
"module_dir": "sudoedit_editor_cve_2023_22809",
"cwe": "CWE-269",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2023-32233",
"module_dir": "nft_set_uaf_cve_2023_32233",
"cwe": "CWE-416",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2023-3269",
"module_dir": "stackrot_cve_2023_3269",
"cwe": "CWE-416",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2023-4622",
"module_dir": "af_unix_gc_cve_2023_4622",
"cwe": "CWE-416",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2024-1086",
"module_dir": "nf_tables_cve_2024_1086",
"cwe": "CWE-416",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2024-05-30"
},
{
"cve": "CVE-2024-26581",
"module_dir": "nft_pipapo_cve_2024_26581",
"cwe": null,
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2024-50264",
"module_dir": "vsock_uaf_cve_2024_50264",
"cwe": "CWE-416",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2025-32462",
"module_dir": "sudo_host_cve_2025_32462",
"cwe": "CWE-863",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2025-32463",
"module_dir": "sudo_chwoot_cve_2025_32463",
"cwe": "CWE-829",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": true,
"kev_date_added": "2025-09-29"
},
{
"cve": "CVE-2025-6019",
"module_dir": "udisks_libblockdev_cve_2025_6019",
"cwe": "CWE-250",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2026-23111",
"module_dir": "nft_catchall_cve_2026_23111",
"cwe": "CWE-416",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2026-31635",
"module_dir": "dirtydecrypt_cve_2026_31635",
"cwe": "CWE-130",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2026-41651",
"module_dir": "pack2theroot_cve_2026_41651",
"cwe": "CWE-367",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2026-43494",
"module_dir": "pintheft_cve_2026_43494",
"cwe": null,
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2026-46242",
"module_dir": "bad_epoll_cve_2026_46242",
"cwe": "CWE-416",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2026-46243",
"module_dir": "cifswitch_cve_2026_46243",
"cwe": "CWE-20",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2026-46300",
"module_dir": "fragnesia_cve_2026_46300",
"cwe": "CWE-787",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
},
{
"cve": "CVE-2026-46333",
"module_dir": "ptrace_pidfd_cve_2026_46333",
"cwe": "CWE-269",
"attack_technique": "T1068",
"attack_subtechnique": null,
"in_kev": false,
"kev_date_added": ""
}
]
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