CVE-2026-98353
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.
How to fix
- Linux Linuxe32aa1d85126e6d5ef6efd594ced3f75178886ce, 74d4085221a7ec5440996af199ccadfa75b9eb0e, 00baeade709fb66da647e8327e8398bb532e30f7, 6.2, 6.7, 6.13, 6.18.58, 7.2.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 1fc9c1933959d2776a1ce7bf424251b8b5b586cd ≤ v < e32aa1d85126e6d5ef6efd594ced3f75178886ce, 4545f355654d044d35a31cd01cc46f491a8a7c36 ≤ v < 74d4085221a7ec5440996af199ccadfa75b9eb0e, 98df2aee1459ee1c62c70cbe9b370d2a532aea36 ≤ v < 00baeade709fb66da647e8327e8398bb532e30f7, 610ef81797bb4f709e8675c1d8d093bb9ccdcbd8, c0a83f29a24c7e7f8516630848ef6db4c174deed, 05b8ca493dd02319bca93c640b259c2ba51ef321, 92101d7bd67cf313d65baede27118614a283f6bf, 233f1b7fe2980e4e238fe03dd3ceddfd082cb4c8, 6e32f84b63c054e09392153125d7202abab2d14b, ec987c0654651036dad6a42f7fa2a6d7c16a3687, c92686867638cda954fdb2bdbac8a75e3aa6eaae, 6.1.188 ≤ v < 6.2, 6.6.157 ≤ v < 6.7, 6.12.110 ≤ v < 6.13, 6.1.191 ≤ v < 6.2, 6.6.160 ≤ v < 6.7, 6.18.52 ≤ v < 6.18.58, 7.2.6 ≤ v < 7.2.8 | e32aa1d85126e6d5ef6efd594ced3f75178886ce, 74d4085221a7ec5440996af199ccadfa75b9eb0e, 00baeade709fb66da647e8327e8398bb532e30f7, 6.2, 6.7, 6.13, 6.18.58, 7.2.8 |
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