Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2026-45932

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
27/05/2026
Last modified:
24/06/2026

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> bpf: Fix tcx/netkit detach permissions when prog fd isn&amp;#39;t given<br /> <br /> This commit fixes a security issue where BPF_PROG_DETACH on tcx or<br /> netkit devices could be executed by any user when no program fd was<br /> provided, bypassing permission checks. The fix adds a capability<br /> check for CAP_NET_ADMIN or CAP_SYS_ADMIN in this case.

Impact

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

Base Score: 7.30 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

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

Base Score 3.x
7.30
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.6 (including) 6.18.14 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.19 (including) 6.19.4 (excluding)

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


References to Advisories, Solutions, and Tools