Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25487
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10