CVE-2026-31442

HIGH EPSS 2.7%
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: dmaengine: idxd: Fix possible invalid memory access after FLR In the case that the first Function Level Reset (FLR) concludes correctly, but in the second FLR the scratch area for the saved configuration cannot be allocated, it's possible for a invalid memory access to happen. Always set the deallocated scratch area to NULL after FLR completes.

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
2.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥6.14  –  <6.18.21
linuxlinux_kernel*≥6.19  –  <6.19.11
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/504c0e6751001ac46917c73e703f2b1b92cfc026
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/867d0c801f21370d561420fa32f2ea1a7dc3a22d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d6077df7b75d26e4edf98983836c05d00ebabd8d
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/504c0e6751001ac46917c73e703f2b1b92cfc026
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/867d0c801f21370d561420fa32f2ea1a7dc3a22d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d6077df7b75d26e4edf98983836c05d00ebabd8d
    Patch