CVE Explorer

CVE-2026-43128

In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fix double dma_buf_unpin in failure path In ib_umem_dmabuf_get_pinned_with_dma_device(), the call to ib_umem_dmabuf_map_pages() can fail. If this occurs, the dmabuf is immediately unpinned but the umem_dmabuf->pinned flag is still set. Then, when ib_umem_release() is called, it calls ib_umem_dmabuf_revoke() which will call dma_buf_unpin() again. Fix this by removing the immediate unpin upon failure and just let the

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2e3b26e525755dd0afcc4ccf48ba9c722dad716b257bb07e056a1d48846389cd

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/core/umem_dmabuf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.16"},{"lessThan":"5.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semve…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/infiniband/core/umem_dmabuf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"70542b69abff34d24b11ae0bb200cc7a766d18df","status":"affected","version":"1e4df4a21c5ac722df1099eee30cad9246c889b5","versionType":"git"},{"lessThan":"b324327ff6f48d8065dca67eb3b91357e72726bd","status":"affected","version":"1e4df4a21c5ac722df1099eee30cad9246c889b5","versionType":"git"},{"lessThan":"ba3bf0f1bf1d5d0404678485e872980532fcc2c4","status":"affected","version":"1e4df4a2…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions

{"url":"https://git.kernel.org/stable/c/104016eb671e19709721c1b0048dd912dc2e96be"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/40126bcbefa79ea86672e05dae608596bab38319"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/70542b69abff34d24b11ae0bb200cc7a766d18df"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/b324327ff6f48d8065dca67eb3b91357e72726bd"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/ba3bf0f1bf1d5d0404678485e872980532fcc2c4"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/d3e32e2f3262f1b25d77c085ace38e2cc4ad75cf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1a8c5e263dd9cd8a8711eb20797085540d7b74e888f581c4a04bd3bb8927db27 · sha256:c5850ec447c82efb… · /containers/cna/references/3

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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