vulnerability
Ubuntu: (Multiple Advisories) (CVE-2025-21885): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Mar 27, 2025 | May 21, 2025 | Mar 27, 2026 |
Description
In the Linux kernel, the following vulnerability has been resolved:
RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers
While using nvme target with use_srq on, below kernel panic is noticed.
[ 549.698111] bnxt_en 0000:41:00.0 enp65s0np0: FEC autoneg off encoding: Clause 91 RS(544,514)
[ 566.393619] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI
..
[ 566.393799] <TASK>
[ 566.393807] ? __die_body+0x1a/0x60
[ 566.393823] ? die+0x38/0x60
[ 566.393835] ? do_trap+0xe4/0x110
[ 566.393847] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393867] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393881] ? do_error_trap+0x7c/0x120
[ 566.393890] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393911] ? exc_divide_error+0x34/0x50
[ 566.393923] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393939] ? asm_exc_divide_error+0x16/0x20
[ 566.393966] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393997] bnxt_qplib_create_srq+0xc9/0x340 [bnxt_re]
[ 566.394040] bnxt_re_create_srq+0x335/0x3b0 [bnxt_re]
[ 566.394057] ? srso_return_thunk+0x5/0x5f
[ 566.394068] ? __init_swait_queue_head+0x4a/0x60
[ 566.394090] ib_create_srq_user+0xa7/0x150 [ib_core]
[ 566.394147] nvmet_rdma_queue_connect+0x7d0/0xbe0 [nvmet_rdma]
[ 566.394174] ? lock_release+0x22c/0x3f0
[ 566.394187] ? srso_return_thunk+0x5/0x5f
Page size and shift info is set only for the user space SRQs.
Set page size and page shift for kernel space SRQs also.
Solutions
References
2026 Global Threat Landscape Report
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