CVE-2026-46305

staging: rtl8723bs: os_dep: avoid NULL pointer dereference in rtw_cbuf_alloc

MEDIUM
5.5
CVSS Score
Published: June 8, 2026 at 03:46 PM UTC
Updated: September 14, 2026 at 12:34 PM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

7.0 ≤ v < 7.0.77.0 ≤ v < 7.1368f19a5ed15f396db4ec2182c1311a7fa4f993b7.1 rc17.1 rc2980cd426a25747daf8ed25e2a1904b2d26ffbb3d
Vendor states this is fixed in 0a5f411becfb7c57aa89827213d31ef23a03d75a (fixed)
Vendor states this is fixed in 7d4024037ee309a8f0cb86b4093d59da0e135db8 (fixed)
Vendor states this is fixed in bc851db06045a40c18233dd76ef0562d7f8bb6db (fixed)
Vendor states this is fixed in 7.0 (unaffected)
Vendor states this is fixed in 7.0.7 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card