leviathan
9d88b475c1
The README has been claiming "each module credits the original CVE
reporter and PoC author in its NOTICE.md" since v0.1.0, but only
copy_fail_family actually shipped one. Fixed.
modules/<name>/NOTICE.md (×19 new + 1 existing): per-module
research credit covering CVE ID, discoverer, original advisory
URL where public, upstream fix commit, IAMROOT's role.
iamroot.c: new --dump-offsets subcommand. Resolves kernel offsets
via the existing core/offsets.c four-source chain (env →
/proc/kallsyms → /boot/System.map → embedded table), then emits
a ready-to-paste C struct entry for kernel_table[]. Run once
as root on a target kernel build; upstream via PR. Eliminates
fabricating offsets — every shipped entry traces back to a
`iamroot --dump-offsets` invocation on a real kernel.
docs/OFFSETS.md: documents the --dump-offsets workflow.
CVES.md: notes the NOTICE.md convention + offset dump tool.
iamroot.c: bump IAMROOT_VERSION 0.3.0 → 0.3.1.
26 lines
811 B
Markdown
26 lines
811 B
Markdown
# NOTICE — dirty_cow (CVE-2016-5195)
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## Vulnerability
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**CVE-2016-5195** — Copy-on-write race via `/proc/self/mem` + `madvise`
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→ arbitrary file write into the page cache.
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## Research credit
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Discovered by **Phil Oester**, October 2016. The bug had been latent in
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the kernel since ~2007.
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Original advisory: <https://dirtycow.ninja/>
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Upstream fix: mainline 4.9 (commit `19be0eaffa3a`, Oct 2016).
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## IAMROOT role
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Two-thread Phil-Oester-style race: writer thread via
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`/proc/self/mem` vs. madvise(MADV_DONTNEED) thread. Targets the
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`/etc/passwd` UID field flip + `su` for the root shell. Useful for
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**old systems coverage** — RHEL 6/7 (3.10 baseline), Ubuntu 14.04
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(3.13), Ubuntu 16.04 (4.4), embedded boxes, IoT.
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Ships auditd watch on `/proc/self/mem` and a sigma rule for non-root
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mem-open patterns.
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