CVE-2021-35477

Source
https://cve.org/CVERecord?id=CVE-2021-35477
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-35477.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-35477
Downstream
Related
Published
2021-08-02T04:15:07.790Z
Modified
2026-03-13T05:01:00.615215Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git /

Affected ranges

Database specific

unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.13.7"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "33"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    }
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-35477.json"