IM
IronMonkey Threat Research

CVE-2026-31389 HIGH

Published: 2026-04-03 | Last Modified: 2026-07-14 | Status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid use-after-free (of driver resources) and unclocked register accesses.

CVSS Metrics

Base Score: 7.8 (HIGH)

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

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Type: Secondary

Exploitability Score: 1.8

Impact Score: 5.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-416

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x702bfc1def80> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bfc334700> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702b8344f4c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702b8344d800> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bfc1dd540> Operating System
linux linux_kernel 7.0 <built-in method update of dict object at 0x702bfc1dd480> Operating System
linux linux_kernel 7.0 <built-in method update of dict object at 0x702bfc1dfcc0> Operating System
linux linux_kernel 7.0 <built-in method update of dict object at 0x702bdd26f280> Operating System
linux linux_kernel 7.0 <built-in method update of dict object at 0x702b8344c580> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*

References

Notification
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