CVE Explorer

CVE-2026-52908

In the Linux kernel, the following vulnerability has been resolved: RDMA: During rereg_mr ensure that REREG_ACCESS is compatible If IB_MR_REREG_ACCESS changes from RO to RW then the umem has to be re-evaluated to ensure it is properly pinned as RW. Since the umem is hidden inside each driver's mr struct add a ib_umem_check_rereg() function that each driver has to call before processing IB_MR_REREG_ACCESS. mlx4 has to retain its duplicate ib_access_writable check because it implements IB_MR_RE

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c19883114cc59d414cba61e2c8d04915848246128f078e4dbf4066815395b73b

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/infiniband/core/umem.c","drivers/infiniband/hw/hns/hns_roce_mr.c","drivers/infiniband/hw/irdma/verbs.c","drivers/infiniband/hw/mlx4/mr.c","drivers/infiniband/hw/mlx5/mr.c","drivers/infiniband/sw/rxe/rxe_verbs.c","include/rdma/ib_umem.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"09dc18894148381d3bfc550083b1236043870dce","status":"affected","version":"b40656aa7d559adc1fe689396dc58b92a9a27286","versionType":"git"},{"lessThan":"eba5df21eda0fe7418efbea2…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/core/umem.c","drivers/infiniband/hw/hns/hns_roce_mr.c","drivers/infiniband/hw/irdma/verbs.c","drivers/infiniband/hw/mlx4/mr.c","drivers/infiniband/hw/mlx5/mr.c","drivers/infiniband/sw/rxe/rxe_verbs.c","include/rdma/ib_umem.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.2"},{"lessThan":"6.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","ve…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /containers/cna/affected/1

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:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions

{"url":"https://git.kernel.org/stable/c/09dc18894148381d3bfc550083b1236043870dce"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/2904e985a2917b5dac65df82733065e78a65fc9d"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/50334a05a950840b39a1ce3d2a173b4183db9b3e"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/badad6fad60def1b9805559dd81dbab3d97b82aa"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/eba5df21eda0fe7418efbea2f799f8ea1b8ca94c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:42bbfc770cf8c0c64e986e5b4f6a4abc383038856d102bdec4a89bb3d9ae7399 · sha256:78ddc289c583a008… · /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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