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CVE-2026-31442

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:aeee8655df51e1555d36bb1c1828cba6bb4f0eadada1247cb8825612be6162bc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/dma/idxd/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:edb337b280bde66367796617c05e87ba905c1d8769cfd8f9984ccb424f3a72c0 · sha256:b0dd5cc4287e4785… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/dma/idxd/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"504c0e6751001ac46917c73e703f2b1b92cfc026","status":"affected","version":"98d187a989036096feaa2fef1ec3b2240ecdeacf","versionType":"git"},{"lessThan":"867d0c801f21370d561420fa32f2ea1a7dc3a22d","status":"affected","version":"98d187a989036096feaa2fef1ec3b2240ecdeacf","versionType":"git"},{"lessThan":"d6077df7b75d26e4edf98983836c05d00ebabd8d","status":"affected","version":"98d187a989036096feaa2f…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:edb337b280bde66367796617c05e87ba905c1d8769cfd8f9984ccb424f3a72c0 · sha256:b0dd5cc4287e4785… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/dma/idxd/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:edb337b280bde66367796617c05e87ba905c1d8769cfd8f9984ccb424f3a72c0 · sha256:b0dd5cc4287e4785… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/dma/idxd/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"504c0e6751001ac46917c73e703f2b1b92cfc026","status":"affected","version":"98d187a989036096feaa2fef1ec3b2240ecdeacf","versionType":"git"},{"lessThan":"867d0c801f21370d561420fa32f2ea1a7dc3a22d","status":"affected","version":"98d187a989036096feaa2fef1ec3b2240ecdeacf","versionType":"git"},{"lessThan":"d6077df7b75d26e4edf98983836c05d00ebabd8d","status":"affected","version":"98d187a989036096feaa2f…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:edb337b280bde66367796617c05e87ba905c1d8769cfd8f9984ccb424f3a72c0 · sha256:b0dd5cc4287e4785… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:edb337b280bde66367796617c05e87ba905c1d8769cfd8f9984ccb424f3a72c0 · sha256:b0dd5cc4287e4785… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/504c0e6751001ac46917c73e703f2b1b92cfc026"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:edb337b280bde66367796617c05e87ba905c1d8769cfd8f9984ccb424f3a72c0 · sha256:b0dd5cc4287e4785… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/867d0c801f21370d561420fa32f2ea1a7dc3a22d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:edb337b280bde66367796617c05e87ba905c1d8769cfd8f9984ccb424f3a72c0 · sha256:b0dd5cc4287e4785… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/d6077df7b75d26e4edf98983836c05d00ebabd8d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:edb337b280bde66367796617c05e87ba905c1d8769cfd8f9984ccb424f3a72c0 · sha256:b0dd5cc4287e4785… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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