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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.

PUBLISHED Reserved 2026-03-09 | Published 2026-04-22 | Updated 2026-04-22 | Assigner Linux

Product status

Default status
unaffected

98d187a989036096feaa2fef1ec3b2240ecdeacf (git) before 504c0e6751001ac46917c73e703f2b1b92cfc026
affected

98d187a989036096feaa2fef1ec3b2240ecdeacf (git) before 867d0c801f21370d561420fa32f2ea1a7dc3a22d
affected

98d187a989036096feaa2fef1ec3b2240ecdeacf (git) before d6077df7b75d26e4edf98983836c05d00ebabd8d
affected

Default status
affected

6.14
affected

Any version before 6.14
unaffected

6.18.21 (semver)
unaffected

6.19.11 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/504c0e6751001ac46917c73e703f2b1b92cfc026

git.kernel.org/...c/867d0c801f21370d561420fa32f2ea1a7dc3a22d

git.kernel.org/...c/d6077df7b75d26e4edf98983836c05d00ebabd8d

cve.org (CVE-2026-31442)

nvd.nist.gov (CVE-2026-31442)

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