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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-31442

dmaengine: idxd: Fix possible invalid memory access after FLR

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 98d187a989036096feaa2fef1ec3b2240ecdeacf to < 504c0e6751001ac46917c73e703f2b1b92cfc026affected
  • 98d187a989036096feaa2fef1ec3b2240ecdeacf to < 867d0c801f21370d561420fa32f2ea1a7dc3a22daffected
  • 98d187a989036096feaa2fef1ec3b2240ecdeacf to < d6077df7b75d26e4edf98983836c05d00ebabd8daffected

Linux Linux

Default version status: affected

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

References