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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00151.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
4545f355654d044d35a31cd01cc46f491a8a7c36 affected < 74d4085221a7ec5440996af199ccadfa75b9eb0e
98df2aee1459ee1c62c70cbe9b370d2a532aea36 affected < 00baeade709fb66da647e8327e8398bb532e30f7
610ef81797bb4f709e8675c1d8d093bb9ccdcbd8 affected —
c0a83f29a24c7e7f8516630848ef6db4c174deed affected —
05b8ca493dd02319bca93c640b259c2ba51ef321 affected —
1fc9c1933959d2776a1ce7bf424251b8b5b586cd affected —
6e32f84b63c054e09392153125d7202abab2d14b affected —
ec987c0654651036dad6a42f7fa2a6d7c16a3687 affected —
c92686867638cda954fdb2bdbac8a75e3aa6eaae affected —
7.2.6 affected < 7.2.8
6.1.188 affected < 6.2
6.6.157 affected < 6.7
6.12.110 affected < 6.13
6.18.52 affected < 6.19
Linux Linux affected
Version Status Constraints
7.3-rc1 affected —
0 unaffected < 7.3-rc1
7.2.8 unaffected ≤ 7.2.*
7.3-rc4 unaffected ≤ *

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Workaround

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References
Link Providers
https://git.kernel.org/stable/c/00baeade709fb66da647e8327e8398bb532e30f7 cve-icon cve-icon
https://git.kernel.org/stable/c/74d4085221a7ec5440996af199ccadfa75b9eb0e cve-icon cve-icon
History

Tue, 06 Oct 2026 14:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-362

Tue, 06 Oct 2026 09:00:00 +0000

Type Values Removed Values Added
Description 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.
Title RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-10-06T08:46:40.955Z

Reserved: 2026-09-25T10:25:14.343Z

Link: CVE-2026-98353

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-06T09:18:28.750

Modified: 2026-10-06T09:18:28.750

Link: CVE-2026-98353

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-06T14:30:07Z

Weaknesses