CVE-2026-31651

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

24/04/2026

Last modified:

27/04/2026

Description

In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix NULL-deref on disconnect Make sure to deregister the controller before dropping the reference to the driver data on disconnect to avoid NULL-pointer dereferences or use-after-free.

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::::::::	3.0.1 (including)	5.10.253 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.203 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.169 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.135 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.12.82 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.13 (including)	6.18.23 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.19 (including)	6.19.13 (excluding)
cpe:2.3:o:linux:linux_kernel:3.0:-::::::
cpe:2.3:o:linux:linux_kernel:7.0:rc1::::::
cpe:2.3:o:linux:linux_kernel:7.0:rc2::::::
cpe:2.3:o:linux:linux_kernel:7.0:rc3::::::
cpe:2.3:o:linux:linux_kernel:7.0:rc4::::::
cpe:2.3:o:linux:linux_kernel:7.0:rc5::::::
cpe:2.3:o:linux:linux_kernel:7.0:rc6::::::
cpe:2.3:o:linux:linux_kernel:7.0:rc7::::::

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

CVE-2026-31651

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools