CVE-2025-21829

MEDIUM

Linux Kernel - Memory Leak in RDMA/rxe

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix the warning "__rxe_cleanup+0x12c/0x170 [rdma_rxe]" The Call Trace is as below: " <TASK> ? show_regs.cold+0x1a/0x1f ? __rxe_cleanup+0x12c/0x170 [rdma_rxe] ? __warn+0x84/0xd0 ? __rxe_cleanup+0x12c/0x170 [rdma_rxe] ? report_bug+0x105/0x180 ? handle_bug+0x46/0x80 ? exc_invalid_op+0x19/0x70 ? asm_exc_invalid_op+0x1b/0x20 ? __rxe_cleanup+0x12c/0x170 [rdma_rxe] ? __rxe_cleanup+0x124/0x170 [rdma_rxe] rxe_destroy_qp.cold+0x24/0x29 [rdma_rxe] ib_destroy_qp_user+0x118/0x190 [ib_core] rdma_destroy_qp.cold+0x43/0x5e [rdma_cm] rtrs_cq_qp_destroy.cold+0x1d/0x2b [rtrs_core] rtrs_srv_close_work.cold+0x1b/0x31 [rtrs_server] process_one_work+0x21d/0x3f0 worker_thread+0x4a/0x3c0 ? process_one_work+0x3f0/0x3f0 kthread+0xf0/0x120 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 </TASK> " When too many rdma resources are allocated, rxe needs more time to handle these rdma resources. Sometimes with the current timeout, rxe can not release the rdma resources correctly. Compared with other rdma drivers, a bigger timeout is used.

Scores

CVSS v3 5.5
EPSS 0.0017
EPSS Percentile 6.8%
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 (17)
linux/Kernel 6.0.0 - 6.1.129linux
linux/Kernel 6.13.0 - 6.13.2linux
linux/Kernel 6.2.0 - 6.6.76linux
linux/Kernel 6.7.0 - 6.12.13linux
Linux/Linux < 6.0
Linux/Linux 215d0a755e1bcd92cbe6a71a21194ce7c82ec106 - 45e567800492088bc52c9abac35524b4d332a8f8
Linux/Linux 215d0a755e1bcd92cbe6a71a21194ce7c82ec106 - 720653309dd31c8a927ef5d87964578ad544980f
Linux/Linux 215d0a755e1bcd92cbe6a71a21194ce7c82ec106 - 7a2de8126ed3801f2396720e10a03cd546a3cea1
Linux/Linux 215d0a755e1bcd92cbe6a71a21194ce7c82ec106 - a7d15eaecf0d6e13226db629ae2401c8c02683e5
Linux/Linux 215d0a755e1bcd92cbe6a71a21194ce7c82ec106 - edc4ef0e0154096d6c0cf5e06af6fc330dbad9d1
... and 7 more
Published Mar 06, 2025
Tracked Since Feb 18, 2026