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Case File

CVE-2021-35477

MEDIUM · CVSS 5.5 EPSS 0.46%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-02 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.

CVE
CVE-2021-35477
Severity
MEDIUM
CVSS
5.5
EPSS
0.46%
Linux

Original NVD Description

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.

Related CVEs

Other vulnerabilities affecting the same vendor(s)