Skip to content
CVE Ledger
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • Data statusPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
  • Support the projectPage
Back

CVE-2026-31442

dmaengine: idxd: Fix possible invalid memory access after FLR

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.

Timeline

  1. ID reserved

    By Linux

  2. · 44 days later

    Published

  3. · 6 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-31442, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.13% · top 98% of all CVEs (10 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • affected 98d187a989036096feaa2fef1ec3b2240ecdeacf – < 504c0e6751001ac46917c73e703f2b1b92cfc026
    • affected 98d187a989036096feaa2fef1ec3b2240ecdeacf – < 867d0c801f21370d561420fa32f2ea1a7dc3a22d
    • affected 98d187a989036096feaa2fef1ec3b2240ecdeacf – < d6077df7b75d26e4edf98983836c05d00ebabd8d

  • Linux · Linux

    • affected 6.14
    • unaffected < 6.14
    • unaffected 6.18.21 – ≤ 6.18.*
    • unaffected 6.19.11 – ≤ 6.19.*
    • unaffected 7.0 – ≤ *

References

3

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-31442 badge
[![CVE-2026-31442](https://cveledger.app/badge/CVE-2026-31442.svg)](https://cveledger.app/cve/CVE-2026-31442)

Record last updated .