UNKNOWN NVD
CVE-2026-98353
In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables Locked QP and CQ lookups from
In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables
Locked QP and CQ lookups from EQ interrupts can deadlock with
create-path XArray updates. If an interrupt arrives while the create
path holds the plain xa_lock, the lookup spins forever trying to
acquire the same lock.
Use IRQ-safe XArray helpers for all QP and CQ create-path updates,
including the GSI QP store and error paths. Initialize both arrays with
XA_FLAGS_LOCK_IRQ so sleeping allocations preserve interrupt state.
References
- https://git.kernel.org/stable/c/00baeade709fb66da647e8327e8398bb532e30f7
- https://git.kernel.org/stable/c/74d4085221a7ec5440996af199ccadfa75b9eb0e
This unknown severity vulnerability was published on 2026-10-06 via NVD.
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