Linkedin has the following policy against misinformation:
"Do not share false or misleading content: Do not share content in a way that you know is, or think may be, misleading or inaccurate, including misinformation or disinformation. Do not share content to interfere with or improperly influence an election or another civic process. We may prevent you from posting content from sites that are known to produce or contain misinformation. Do not share content that directly contradicts guidance from leading global health organizations and public health authorities. Do not post content that denies a well-documented historical event such as the Holocaust or slavery. Do not share false content or information, including news stories, that present untrue facts or events as though they are true or likely true. Do not post “deepfake” images or videos of others or otherwise post content that has been manipulated to deceive. Do not share content or endorse someone or something in exchange for personal benefit (including personal or family relationships, monetary payment, free products or services, or other value), unless you have included a clear and conspicuous notice of the personal benefit you receive and have otherwise complied with our Advertising Policies."
Linkedin also has a policy against fake profiles or falsifying information about yourself.
Linkedin has banned political ads