dm era: fix out-of-bounds memory access for non-zero start sector

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-72107 · Microsoft / collected KEV context

cve-program · CVE-2026-72107

• https://git.kernel.org/stable/c/fe94a0b14010a3c267ff9a2508afb4f27ff1c5bf
• https://git.kernel.org/stable/c/e3ffa8e492e5cdee62d916ee3e9244ccce2b73c5
• https://git.kernel.org/stable/c/9946a7176bd8c25ddd6e5f1799c54e572ee6bf0f
• https://git.kernel.org/stable/c/7e1822f83c5a1ee7b4a19e98edde8770a10b4c71
• https://git.kernel.org/stable/c/db5f9b4601f0012038e5a2628aedec2f47933380
• https://git.kernel.org/stable/c/1fcb5e29dd7a5b85adb9d8b539911741d878e829
• https://git.kernel.org/stable/c/bafe3e720cdac38cd7ea4eb7852a8f2dbe1bbfe6
• https://git.kernel.org/stable/c/a868196f03c2b19418ae3d2b69e195d668a271e5

No related operational record is retained in the current change model.