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CVE-2026-98353

unscored Published
NVD · CVE.org

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.

Fix

Microsoft's update · Critical

  • Release Notes — azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 · build 6.6.159.1-1

From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-28.

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 5

  1. StatusReceived → PublishedNVD modified 2026-10-21 12:54
  2. References+1 references (now 3)NVD modified 2026-10-21 13:21
  3. StatusPublished → ReceivedNVD modified 2026-10-21 13:21
  4. StatusReceived → PublishedNVD modified 2026-10-19 09:18
  5. First seenunscoredNVD modified 2026-10-19 10:18

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3