CVE-2020-10769

MEDIUM

RH kernel <5.0 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allows a local attacker with user privileges to cause a denial of service.

References (4)

Core 4
Core References
Exploit, Mailing List, Patch, Third Party Advisory x_refsource_misc
https://lkml.org/lkml/2019/1/21/675
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html

Scores

CVSS v3 5.5
EPSS 0.0018
EPSS Percentile 38.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-125
Status published
Products (2)
opensuse/leap 15.1
redhat/enterprise_linux 7.0
Published Jun 26, 2020
Tracked Since Feb 18, 2026