netfilter: xt_connmark: reject invalid shift parameters

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

CVE-2026-72347 · Microsoft / collected KEV context

cve-program · CVE-2026-72347

• https://git.kernel.org/stable/c/d8ce63d928b457fba7ed1e302492dfd32293671c
• https://git.kernel.org/stable/c/9657bb11a6376ab0a79f05d433713d6944111e9d
• https://git.kernel.org/stable/c/8ace320ac4416f5e5fbcd065309fb2dfcce787b0
• https://git.kernel.org/stable/c/c3fa852d117b3fda72265e4230e3967db4a74fcf
• https://git.kernel.org/stable/c/4eef84b09a3836919360c4232b0f16651a155eec
• https://git.kernel.org/stable/c/230173cc6105bdfb2696d37e6e56687b003fbe63
• https://git.kernel.org/stable/c/1b47026fb4b35bac850ad6e8a4ad7fc018e09ebc

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