Note, due to the layer at which the Linux kernel is in a system, almost any bug might be exploitable to compromise the security of the kernel, but the possibility of exploitation is often not evident when the bug is fixed. Because of this, the CVE assignment team is overly cautious and assign CVE numbers to any bugfix that they identify. This explains the seemingly large number of CVEs that are issued by the Linux kernel team.
(And because this happens during the stable release process, there are a lot of 24-hour periods where they issue a ton of CVEs for all the minor bugs fixed in the release.)
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https://docs.kernel.org/process/cve.html
(And because this happens during the stable release process, there are a lot of 24-hour periods where they issue a ton of CVEs for all the minor bugs fixed in the release.)