Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2026-46305

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
08/06/2026
Last modified:
23/07/2026

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> staging: rtl8723bs: os_dep: avoid NULL pointer dereference in rtw_cbuf_alloc<br /> <br /> The return value of kzalloc_flex() is used without<br /> ensuring that the allocation succeeded, and the<br /> pointer is dereferenced unconditionally.<br /> <br /> Guard the access to the allocated structure to<br /> avoid a potential NULL pointer dereference if the<br /> allocation fails.

Impact

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

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

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:*:*:*:*:*:*:*:* 7.0 (including) 7.0.7 (excluding)
cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools