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CVE-2026-98153nvme: fix racy access to FDP placement id array

Description

In the Linux kernel, the following vulnerability has been resolved: nvme: fix racy access to FDP placement id array nvme_query_fdp_info() is called per-path and therefore prone to races. It populates head->nr_plids/head->plids for fdp registration. But nothing protects that pair from concurrent access - two paths scanning the same namespace can race to populate it. Avoid the race by moving this initialization work to nvme_alloc_ns_head() which is called once per shared namespace.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 24 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-98153, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.08% · top 100% of all CVEs (14 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Affected products

  • Linux · Linux

    • affected 30b5f20bb2ddab013035399e5c7e6577da49320a – < e0a23e3c8c4c3ce11529fa70d2292b4e56d143ba
    • affected 30b5f20bb2ddab013035399e5c7e6577da49320a – < 56e1c6bbe4bb084d7ecf61698afdf70be23dd35f

  • Linux · Linux

    • affected 6.16
    • unaffected < 6.16
    • unaffected 7.2.7 – ≤ 7.2.*
    • unaffected 7.3 – ≤ *

References

References2

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .