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CVE-2026-23174

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: handle changing device dma map requirements The initial state of dma_needs_unmap may be false, but change to true while mapping the data iterator. Enabling swiotlb is one such case that can change the result. The nvme driver needs to save the mapped dma vectors to be unmapped later, so allocate as needed during iteration rather than assume it was always allocated at the beginning. This fixes a NULL dereference from a
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:322321f9e8003e413f47b12459a98ea05706866d612c37136459eb8a35f57102
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/nvme/host/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f3ed399e9aa6f36e92d2d0fe88b387915e9705fe","status":"affected","version":"b8b7570a7ec872f2a27b775c4f8710ca8a357adf","versionType":"git"},{"lessThan":"071be3b0b6575d45be9df9c5b612f5882bfc5e88","status":"affected","version":"b8b7570a7ec872f2a27b775c4f8710ca8a357adf","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:173b30d2507817ed05a449f6415e1bcc46c213678f7db0fd6dd747726afb2214 · sha256:10af136de82409f1… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/nvme/host/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:173b30d2507817ed05a449f6415e1bcc46c213678f7db0fd6dd747726afb2214 · sha256:10af136de82409f1… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/nvme/host/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f3ed399e9aa6f36e92d2d0fe88b387915e9705fe","status":"affected","version":"b8b7570a7ec872f2a27b775c4f8710ca8a357adf","versionType":"git"},{"lessThan":"071be3b0b6575d45be9df9c5b612f5882bfc5e88","status":"affected","version":"b8b7570a7ec872f2a27b775c4f8710ca8a357adf","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:173b30d2507817ed05a449f6415e1bcc46c213678f7db0fd6dd747726afb2214 · sha256:10af136de82409f1… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/nvme/host/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:173b30d2507817ed05a449f6415e1bcc46c213678f7db0fd6dd747726afb2214 · sha256:10af136de82409f1… · /containers/cna/affected/1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/071be3b0b6575d45be9df9c5b612f5882bfc5e88"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:173b30d2507817ed05a449f6415e1bcc46c213678f7db0fd6dd747726afb2214 · sha256:10af136de82409f1… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/f3ed399e9aa6f36e92d2d0fe88b387915e9705fe"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:173b30d2507817ed05a449f6415e1bcc46c213678f7db0fd6dd747726afb2214 · sha256:10af136de82409f1… · /containers/cna/references/0

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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