CVE-2026-31442

Source
https://cve.org/CVERecord?id=CVE-2026-31442
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31442.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-31442
Downstream
Published
2026-04-22T13:53:39.895Z
Modified
2026-05-28T03:54:19.963713678Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
dmaengine: idxd: Fix possible invalid memory access after FLR
Details

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.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31442.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
98d187a989036096feaa2fef1ec3b2240ecdeacf
Fixed
504c0e6751001ac46917c73e703f2b1b92cfc026
Fixed
867d0c801f21370d561420fa32f2ea1a7dc3a22d
Fixed
d6077df7b75d26e4edf98983836c05d00ebabd8d

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31442.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.14.0
Fixed
6.18.21
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
6.19.11

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31442.json"