vulnerability
Oracle Linux: CVE-2021-20239: ELSA-2021-4356: kernel security, bug fix, and enhancement update (MODERATE)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | Feb 1, 2021 | Nov 18, 2021 | Dec 3, 2025 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Feb 1, 2021
Added
Nov 18, 2021
Modified
Dec 3, 2025
Description
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.
A flaw was found 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.
A flaw was found 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.
Solution
oracle-linux-upgrade-kernel
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