{"cve":"CVE-2020-25643","nvd":{"published":"2020-10-06T14:15:12.683","modified":"2026-06-17T03:07:02.170","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":["CWE-20"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html","http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html","https://bugzilla.redhat.com/show_bug.cgi?id=1879981","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66d42ed8b25b64eb63111a2b8582c5afc8bf1105","https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html"],"products":["debian:debian_linux","linux:linux_kernel","netapp:h410c_firmware","opensuse:leap","redhat:enterprise_linux","starwindsoftware:starwind_virtual_san"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2020-25643","score":0.03292,"percentile":0.88493,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}