s390/zcrypt: Validate length for CCA ECC private key requests

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

CVE-2026-68451 · Microsoft / collected KEV context

cve-program · CVE-2026-68451

• https://git.kernel.org/stable/c/7dc306ff7c4d951582adaae65e0aee9fb4968dbe
• https://git.kernel.org/stable/c/447a37a6bef11bfd3645069e380460b11386e2b9
• https://git.kernel.org/stable/c/f0831f13c42c1261d449dcee8a035e1c6cd9fcaa
• https://git.kernel.org/stable/c/dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e
• https://git.kernel.org/stable/c/ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5
• https://git.kernel.org/stable/c/013a4484f061a2b41f052e25c0015203287e63f1
• https://git.kernel.org/stable/c/8fa3e9435a13c335efb63fb4f4e77531a0031159
• https://git.kernel.org/stable/c/a9ae0f6dd45c3ccc1d69363f7aea8af179122730

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