BDU:2021-00106

Уязвимость модуля HDLC_PPP ядра операционной системы Linux, связанная с недостаточной проверкой вводимых данных, позволяющая нарушителю вызвать отказ в обслуживании

Severity: HIGH (7.2) Vector: AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: HIGH (7.5) Vector: AV:N/AC:M/Au:S/C:P/I:P/A:C

References:

CVE-2020-25643

Published: 2020-10-06
Modified: 2024-11-21

CVE-2020-25643

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.

Severity: HIGH (7.5) Vector: AV:N/AC:M/Au:S/C:P/I:P/A:C

Severity: HIGH (7.2) Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References:

Version: 2.1.2

Branch p8 update on 2020-10-09

ALT-BU-2020-4073-1

ALT-PU-2020-2956-1

Closed vulnerabilities

BDU:2021-00106

CVE-2020-25643