CVE-2026-97421

CVE CVE-2026-97421EUVD EUVD-2026-86034Published 2026-09-24T16:03:31.000ZLast changed 2026-09-25T12:43:56.000ZCVSS 7.8

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Be careful about boundary conditions in ib_umem_find_best_pgsz() Several corner cases, especially important on 32 bits: - umem->iova is u64, the function argument should pass in u64 or iova will be truncated - Check that the length is not too large for the iova - Check that lengths > 4G don't overflow the GENMASK

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux a40c20dabdf9045270767c75918feb67f0727c89 <5fc5b73109540809b094710fac44da81dd8a3ff8; 5.4.73 <5.5; 5.9.2 <5.10; 5.10; a40c20dabdf9045270767c75918feb67f0727c89 <09ea6837a0434fb4db99528a5055b6d822135dcf; 59f07434b297e2268f5d5c567db5b09145245cf1; patch: 0; patch: 6.12.111; 85e40ba1c4a5246b35e91c2ed69d4680426904d7; 488229b7729d7becf4c39c5e74fb709fb35115c2; 5.8.17 <5.9; a40c20dabdf9045270767c75918feb67f0727c89 <ae3cf7d2c4d506c5c91746321644e1a08d989e2a; patch: 6.18.53; patch: 7.2

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Linux — Linux

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