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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-04T15:40:36.280Z

Reserved: 2020-09-16T00:00:00

Link: CVE-2020-25643

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-10-06T14:15:12.683

Modified: 2024-11-21T05:18:19.180

Link: CVE-2020-25643

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-09-25T00:00:00Z

Links: CVE-2020-25643 - Bugzilla

cve-icon OpenCVE Enrichment

No data.