CVSS 3.1
3.3 lowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NCVE-2021-20239
Low (3.3). EPSS 0.3% chance of exploitation in the next 30 days.
A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-119, CWE-822
- Published
- Modified
- Record from
- the NVD, synced
Affected
- fedoraproject:fedora
- linux:linux_kernel
- redhat:enterprise_linux