CVE-2025-21829
Linux Kernel vulnerability
- Published6 Mar 2025
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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
- https://git.kernel.org/stable/c/45e567800492088bc52c9abac35524b4d332a8f8
- https://git.kernel.org/stable/c/720653309dd31c8a927ef5d87964578ad544980f
- https://git.kernel.org/stable/c/7a2de8126ed3801f2396720e10a03cd546a3cea1
- https://git.kernel.org/stable/c/a7d15eaecf0d6e13226db629ae2401c8c02683e5
- https://git.kernel.org/stable/c/edc4ef0e0154096d6c0cf5e06af6fc330dbad9d1
References
- https://git.kernel.org/stable/c/45e567800492088bc52c9abac35524b4d332a8f8
- https://git.kernel.org/stable/c/720653309dd31c8a927ef5d87964578ad544980f
- https://git.kernel.org/stable/c/7a2de8126ed3801f2396720e10a03cd546a3cea1
- https://git.kernel.org/stable/c/a7d15eaecf0d6e13226db629ae2401c8c02683e5
- https://git.kernel.org/stable/c/edc4ef0e0154096d6c0cf5e06af6fc330dbad9d1
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
Frequently asked
Is CVE-2025-21829 being actively exploited?
CVE-2025-21829 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.40%.
How severe is CVE-2025-21829?
CVE-2025-21829 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.40% probability of exploitation.
Which products are affected by CVE-2025-21829?
Affected products include Linux Kernel.
How do I fix CVE-2025-21829?
Upgrade affected software to a fixed version, for example Linux Kernel 6.1.129 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2025-21829 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.