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Rewterz Threat Advisory – CVE-2020-27194 – Linux Kernel scalar32_min_max_or function denial of service

Severity

Medium

Analysis Summary

Linux Kernel is vulnerable to a denial of service, caused by the mishandling of bounds tracking in the scalar32_min_max_or function in kernel/bpf/verifier.c. By sending a specially-crafted request, a local attacker could exploit this vulnerability to cause a denial of service condition.

Impact

Denial of service

Affected Vendors

Linux

Affected Products

Linux Kernel 5.8.0

Remediation

Upgrade to the latest version of Linux Kernel (5.8.15 or later).