vulnerability
Red Hat: CVE-2021-20239: CVE-2021-20239 kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | May 28, 2021 | Nov 10, 2021 | Aug 11, 2025 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
May 28, 2021
Added
Nov 10, 2021
Modified
Aug 11, 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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt
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