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CVE-2026-31442Patch(linux / linux_kernel)

LOWCVSS 7.8 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch linux linux_kernel systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

linux CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-125

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • linux_kernel

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 2 signals
  • 2 total mentions across 1 day

Affected systems

Vendors
linux
Products
linux_kernel

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-04-22: 2Patch / Workaround · 2026-04-22: 2Technical Details · 2026-04-22: 204-22
Signal classification1 categories
Patch
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Patch

    🚨*CVE* CVE-2026-31442 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 Functio… https://www.cve.org/CVERecord?id=CVE-2026-31442 ----- Traducción: CVE-2026-31442 En … http://infoflow.cloud`

    Post summary

    The post announces that CVE-2026-31442, a memory access issue in the Linux kernel’s dmaengine: idxd module, has been fixed via a patch.

    0000036
    72 followersView on X
  • CVE@CVEnew
    Patch

    CVE-2026-31442 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 Functio… https://www.cve.org/CVERecord?id=CVE-2026-31442

    Post summary

    The CVE-2026-31442 flaw was fixed in the Linux kernel with a patch addressing an invalid memory access in dmaengine: idxd; the post provides no PoC, exploit, or active exploitation evidence.

    00000170
    57.2K followersView on X
CPE platform detail6 entries

6 of 6 entries

PartVendorProductVersionTarget SWTarget HW
OSlinuxlinux_kernel---
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--
OSlinuxlinux_kernel7.0--

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