description: 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.
problem types: CWE-20
affected:
{
vendor: n/a
product: kernel
versions:
version: Linux kernel versions before 5.9-rc7, status: affected
}