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CVE-2026-43161

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Skip dev-iotlb flush for inaccessible PCIe device without scalable mode PCIe endpoints with ATS enabled and passed through to userspace (e.g., QEMU, DPDK) can hard-lock the host when their link drops, either by surprise removal or by a link fault. Commit 4fc82cd907ac ("iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected") adds pci_dev_is_disconnected() to devtlb_invalidation_with_pasid() s
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d99db85bfcf82ab6d9bfda9ba679f4140abbc2e35e29f9262ca50feec15ff291
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":"unaffected","product":"Linux","programFiles":["drivers/iommu/intel/pasid.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"48b3f08e68b29a79527869cdde7298ca2a9b9646","status":"affected","version":"37764b952e1b39053defc7ebe5dcd8c4e3e78de9","versionType":"git"},{"lessThan":"e70d5feb10c5ba2bbf7ca400b8f39a2f82d653e8","status":"affected","version":"37764b952e1b39053defc7ebe5dcd8c4e3e78de9","versionType":"git"},{"lessThan":"bc0490ad9edf5c6f98e39fbbee2877b85261a5ae","status":"affected","version":"37764b952e1b39053d…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b5c3c3b102a83bcffe25dff2668f4be80283242dd18f0b558bc9205079aed9b5 · sha256:7d986956b22f8ff7… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iommu/intel/pasid.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.14"},{"lessThan":"5.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.77","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"les…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b5c3c3b102a83bcffe25dff2668f4be80283242dd18f0b558bc9205079aed9b5 · sha256:7d986956b22f8ff7… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iommu/intel/pasid.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"48b3f08e68b29a79527869cdde7298ca2a9b9646","status":"affected","version":"37764b952e1b39053defc7ebe5dcd8c4e3e78de9","versionType":"git"},{"lessThan":"e70d5feb10c5ba2bbf7ca400b8f39a2f82d653e8","status":"affected","version":"37764b952e1b39053defc7ebe5dcd8c4e3e78de9","versionType":"git"},{"lessThan":"bc0490ad9edf5c6f98e39fbbee2877b85261a5ae","status":"affected","version":"37764b952e1b39053d…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b5c3c3b102a83bcffe25dff2668f4be80283242dd18f0b558bc9205079aed9b5 · sha256:7d986956b22f8ff7… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iommu/intel/pasid.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.14"},{"lessThan":"5.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.77","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"les…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b5c3c3b102a83bcffe25dff2668f4be80283242dd18f0b558bc9205079aed9b5 · sha256:7d986956b22f8ff7… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/42662d19839f34735b718129ea200e3734b07e50"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b5c3c3b102a83bcffe25dff2668f4be80283242dd18f0b558bc9205079aed9b5 · sha256:7d986956b22f8ff7… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/48b3f08e68b29a79527869cdde7298ca2a9b9646"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b5c3c3b102a83bcffe25dff2668f4be80283242dd18f0b558bc9205079aed9b5 · sha256:7d986956b22f8ff7… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/bc0490ad9edf5c6f98e39fbbee2877b85261a5ae"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b5c3c3b102a83bcffe25dff2668f4be80283242dd18f0b558bc9205079aed9b5 · sha256:7d986956b22f8ff7… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/e70d5feb10c5ba2bbf7ca400b8f39a2f82d653e8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b5c3c3b102a83bcffe25dff2668f4be80283242dd18f0b558bc9205079aed9b5 · sha256:7d986956b22f8ff7… · /containers/cna/references/1

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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