CVE-2021-33624

Source
https://cve.org/CVERecord?id=CVE-2021-33624
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33624.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-33624
Aliases
Downstream
Related
Published
2021-06-23T16:15:07.957Z
Modified
2026-03-14T10:59:28.008182Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.

References

Affected packages

Git /

Affected ranges

Database specific

unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "5.12.13"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    }
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33624.json"