mmc: core: Add validation for host-provided max_segs

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

CVE-2026-98884 · Microsoft / collected KEV context

cve-program · CVE-2026-98884

• https://git.kernel.org/stable/c/03f5a16ec85beebabd5ab5e67ac1527f87908ded
• https://git.kernel.org/stable/c/c465608bd25d7f8565be7817a6a36a5d69f8aa14
• https://git.kernel.org/stable/c/a8283f7d93f0d9336b15618b9665279ff6944319
• https://git.kernel.org/stable/c/9cca3c0c1472d6204ef8a78a6e7b3afe9610b22e
• https://git.kernel.org/stable/c/b037c2f7794aa01ee2a00e43c29645fd2dd2dfb9
• https://git.kernel.org/stable/c/3e0483e93a8be320f70a1ff68d835f7f015af311

• mmc: core: Add validation for host-provided max_segs · Newly collected advisory · 23 Oct 2026