CVE-2026-31442 (GCVE-0-2026-31442)

Vulnerability from cvelistv5 – Published: 2026-04-22 13:53 – Updated: 2026-04-22 13:53
VLAI?
Title
dmaengine: idxd: Fix possible invalid memory access after FLR
Summary
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 ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 98d187a989036096feaa2fef1ec3b2240ecdeacf , < 504c0e6751001ac46917c73e703f2b1b92cfc026 (git)
Affected: 98d187a989036096feaa2fef1ec3b2240ecdeacf , < 867d0c801f21370d561420fa32f2ea1a7dc3a22d (git)
Affected: 98d187a989036096feaa2fef1ec3b2240ecdeacf , < d6077df7b75d26e4edf98983836c05d00ebabd8d (git)
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    Linux Linux Affected: 6.14
Unaffected: 0 , < 6.14 (semver)
Unaffected: 6.18.21 , ≤ 6.18.* (semver)
Unaffected: 6.19.11 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.