CVE-2026-31527

HIGH EPSS 2.9%
Published Apr 22, 20262mo ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Apr 22, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: driver core: platform: use generic driver_override infrastructure When a driver is probed through __driver_attach(), the bus' match() callback is called without the device lock held, thus accessing the driver_override field without a lock, which can cause a UAF. Fix this by using the driver-core driver_override infrastructure taking care of proper locking internally. Note that calling match() from __driver_attach() without the device lock held is intentional. [1]

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
2.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥3.17  –  <6.12.80
linuxlinux_kernel*≥6.13  –  <6.18.21
linuxlinux_kernel*≥6.19  –  <6.19.11
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/2b38efc05bf7a8568ec74bfffea0f5cfa62bc01d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/492349e5e4a369a8b62781100a3ade470bf1ce6b
  • git.kernel.org https://git.kernel.org/stable/c/7c02a9bd7d14a89065fcf672b86d8e1d1a41d3b1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9a6086d2a828dd2ff74cf9abcae456670febd71f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/edee7ee5a14c3b33f6d54641f5af5c5e9180992d
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2b38efc05bf7a8568ec74bfffea0f5cfa62bc01d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7c02a9bd7d14a89065fcf672b86d8e1d1a41d3b1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9a6086d2a828dd2ff74cf9abcae456670febd71f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/edee7ee5a14c3b33f6d54641f5af5c5e9180992d
    Patch