Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2024-38566

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
19/06/2024
Last modified:
17/09/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> bpf: Fix verifier assumptions about socket-&gt;sk<br /> <br /> The verifier assumes that &amp;#39;sk&amp;#39; field in &amp;#39;struct socket&amp;#39; is valid<br /> and non-NULL when &amp;#39;socket&amp;#39; pointer itself is trusted and non-NULL.<br /> That may not be the case when socket was just created and<br /> passed to LSM socket_accept hook.<br /> Fix this verifier assumption and adjust tests.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.4 (including) 6.6.33 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.8.12 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.9 (including) 6.9.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools