CVE-2026-31442
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-04-22 14:16:37.703000
Last modified
2026-10-19 19:17:53.513000
View original CVE JSON
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-04-22T14:16:37.703",
"lastModified": "2026-10-19T19:17:53.513",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix possible invalid memory access after FLR\n\nIn the case that the first Function Level Reset (FLR) concludes\ncorrectly, but in the second FLR the scratch area for the saved\nconfiguration cannot be allocated, it's possible for a invalid memory\naccess to happen.\n\nAlways set the deallocated scratch area to NULL after FLR completes."
}
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"attackVector": "LOCAL",
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