A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. CREATE(Triage):(User=admin) [CVE-2020-25643|https://nvd.nist.gov/vuln/detail/CVE-2020-25643]
