CVE-2021-20239 Detail
Current 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.
Analysis 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.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | Red Hat, Inc. |
| CWE-822 | Untrusted Pointer Dereference | Red Hat, Inc. |
Change History
1 change records found show changes
Initial Analysis 6/02/2021 11:28:52 AM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
OR
*cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
|
|
| Added | CPE Configuration |
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.92
|
|
| Added | CPE Configuration |
OR
*cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
|
|
| Added | CVSS V2 |
NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) |
|
| Added | CVSS V3.1 |
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
|
| Changed | Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=1923636 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=1923636 Issue Tracking, Third Party Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2021-20239
NVD Published Date:
05/28/2021
NVD Last Modified:
06/02/2021
Source:
Red Hat, Inc.