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CVE-2026-53164

In the Linux kernel, the following vulnerability has been resolved: iommu/dma: Do not try to iommu_map a 0 length region in swiotlb iommu_dma_iova_link_swiotlb() processes a mapping that is unaligned in three parts, the head, middle and trailer. If the middle is empty because there are no aligned pages it will call down to iommu_map() with a 0 size which the iommupt implementation will fail as illegal. It then tries to do an error unwind and starts from the wrong spot corrupting the mapping s
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:830fde20857d2e2e31bc25eb4b7109a63a9d86ede8c64acec1765663c9d38781
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/iommu/dma-iommu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95898cd599b0b4f6ce7a4d84df45931beb17899b1ab2d38239a42fa1152ba228 · sha256:163d7391bae9a997… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iommu/dma-iommu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ab61c990a87d084f5565ee70340543e3a5394697","status":"affected","version":"433a76207dcf5facc0183acb790f6e8398585258","versionType":"git"},{"lessThan":"b16f8d40bac9ced838d24c9842707af9ecae92e2","status":"affected","version":"433a76207dcf5facc0183acb790f6e8398585258","versionType":"git"},{"lessThan":"6ec91df8aff77e2e8fe3179c1f3fc15b43a40ba3","status":"affected","version":"433a76207dcf5facc018…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95898cd599b0b4f6ce7a4d84df45931beb17899b1ab2d38239a42fa1152ba228 · sha256:163d7391bae9a997… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iommu/dma-iommu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95898cd599b0b4f6ce7a4d84df45931beb17899b1ab2d38239a42fa1152ba228 · sha256:163d7391bae9a997… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iommu/dma-iommu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ab61c990a87d084f5565ee70340543e3a5394697","status":"affected","version":"433a76207dcf5facc0183acb790f6e8398585258","versionType":"git"},{"lessThan":"b16f8d40bac9ced838d24c9842707af9ecae92e2","status":"affected","version":"433a76207dcf5facc0183acb790f6e8398585258","versionType":"git"},{"lessThan":"6ec91df8aff77e2e8fe3179c1f3fc15b43a40ba3","status":"affected","version":"433a76207dcf5facc018…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:95898cd599b0b4f6ce7a4d84df45931beb17899b1ab2d38239a42fa1152ba228 · sha256:163d7391bae9a997… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/6ec91df8aff77e2e8fe3179c1f3fc15b43a40ba3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95898cd599b0b4f6ce7a4d84df45931beb17899b1ab2d38239a42fa1152ba228 · sha256:163d7391bae9a997… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/ab61c990a87d084f5565ee70340543e3a5394697"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95898cd599b0b4f6ce7a4d84df45931beb17899b1ab2d38239a42fa1152ba228 · sha256:163d7391bae9a997… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/b16f8d40bac9ced838d24c9842707af9ecae92e2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:95898cd599b0b4f6ce7a4d84df45931beb17899b1ab2d38239a42fa1152ba228 · sha256:163d7391bae9a997… · /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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