CVE-2026-53133 (GCVE-0-2026-53133)

Vulnerability from cvelistv5 – Published: 2026-06-25 08:38 – Updated: 2026-10-19 19:57
VLAI
Title
RDMA/umem: Fix truncation for block sizes >= 4G
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fix truncation for block sizes >= 4G When the iommu is used the linearization of the mapping can give a single block that is very large split across multiple SG entries. When __rdma_block_iter_next() reassembles the split SG entries it is overflowing the 32 bit stack values and computed the wrong DMA addresses for blocks after the truncation. Use the right types to hold DMA addresses.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:25 UTC
CWE
  • CWE-190 - Integer Overflow or Wraparound
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6641 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a808273a495c657e33281b181fd7fcc2bb28f662 , < 2ff4b7817e5b78070c30f5fb5e678e452a2628b3 (git)
Affected: a808273a495c657e33281b181fd7fcc2bb28f662 , < dee2a49adeeb2a5e16a3fc858fa21b841c519802 (git)
Affected: a808273a495c657e33281b181fd7fcc2bb28f662 , < cc644d5608e3b0dadc970bd6e6aa26b91ea07d0f (git)
Affected: a808273a495c657e33281b181fd7fcc2bb28f662 , < 8fe0231adebe086c8a459c790944ac026cd99c6e (git)
Affected: a808273a495c657e33281b181fd7fcc2bb28f662 , < baf8685bcf56dc1efb44b8f6a57c42516e549068 (git)
Affected: a808273a495c657e33281b181fd7fcc2bb28f662 , < afd35fec9297195b759078745549c2671223f24f (git)
Affected: a808273a495c657e33281b181fd7fcc2bb28f662 , < ac1aad8e1281534ce936c250f68084fc79c5469e (git)
Affected: a808273a495c657e33281b181fd7fcc2bb28f662 , < 15fe76e23615f502d051ef0768f86babaf08746c (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.2
Unaffected: 0 , < 5.2 (semver)
Unaffected: 5.10.259 , ≤ 5.10.* (semver)
Unaffected: 5.15.210 , ≤ 5.15.* (semver)
Unaffected: 6.1.176 , ≤ 6.1.* (semver)
Unaffected: 6.6.143 , ≤ 6.6.* (semver)
Unaffected: 6.12.94 , ≤ 6.12.* (semver)
Unaffected: 6.18.36 , ≤ 6.18.* (semver)
Unaffected: 7.0.13 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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}



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Vulnerability timeline

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