Vulnerability Details CVE-2020-10769
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.3%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1708775%3B
- https://lkml.org/lkml/2019/1/21/675
- https://www.oracle.com/security-alerts/cpuApr2021.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1708775%3B
- https://lkml.org/lkml/2019/1/21/675
- https://www.oracle.com/security-alerts/cpuApr2021.html
Products affected by CVE-2020-10769
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cpe:2.3:o:opensuse:leap:15.1
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cpe:2.3:o:redhat:enterprise_linux:7.0