CVE-2026-98153

nvme: fix racy access to FDP placement id array

MEDIUM
5.5
CVSS Score
Published: September 25, 2026 at 10:36 AM UTC
Updated: October 21, 2026 at 07:53 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.16 ≤ v < 7.2.730b5f20bb2ddab013035399e5c7e6577da49320a6.167.3
Vendor states this is fixed in 56e1c6bbe4bb084d7ecf61698afdf70be23dd35f (fixed)
Vendor states this is fixed in e0a23e3c8c4c3ce11529fa70d2292b4e56d143ba (fixed)
Vendor states this is fixed in 6.16 (unaffected)
Vendor states this is fixed in 7.2.7 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-362

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