CVEvulnerability

CVE-2021-20239

3.3 LOW Published 2021-05-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.3 LOW — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-119, CWE-822

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.

Affected configurations

• linux linux kernel (< 5.4.92) • redhat enterprise linux 5.0 • redhat enterprise linux 6.0 • redhat enterprise linux 8.0 • fedoraproject fedora 33

Related

Weakness · CWE (2)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
  • CWE-822 Untrusted Pointer Dereference weakness

References