CVE-2025-21885

MEDIUM

Linux Kernel - Divide Error in RDMA/bnxt_re

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0018
EPSS Percentile 7.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (12)
linux/Kernel 5.7.0 - 6.12.18linux
linux/Kernel 6.13.0 - 6.13.6linux
Linux/Linux < 5.7
Linux/Linux 0c4dcd602817502bb3dced7a834a13ef717d65a4 - 2cf8e6b52aecb8fbb71c41fe5add3212814031a2
Linux/Linux 0c4dcd602817502bb3dced7a834a13ef717d65a4 - 722c3db62bf60cd23acbdc8c4f445bfedae4498e
Linux/Linux 0c4dcd602817502bb3dced7a834a13ef717d65a4 - b66535356a4834a234f99e16a97eb51f2c6c5a7d
Linux/Linux 5.7
Linux/Linux 6.12.18 - 6.12.*
Linux/Linux 6.13.6 - 6.13.*
Linux/Linux 6.14
... and 2 more
Published Mar 27, 2025
Tracked Since Feb 18, 2026