cbcvebase.
CVE-2022-49929
published 2025-05-01

CVE-2022-49929: In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix mr leak in RESPST_ERR_RNR rxe_recheck_mr() will increase mr's ref_cnt, so we…

PriorityP417medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.15%
4.6th percentile
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix mr leak in RESPST_ERR_RNR rxe_recheck_mr() will increase mr's ref_cnt, so we should call rxe_put(mr) to drop mr's ref_cnt in RESPST_ERR_RNR to avoid below warning: WARNING: CPU: 0 PID: 4156 at drivers/infiniband/sw/rxe/rxe_pool.c:259 __rxe_cleanup+0x1df/0x240 [rdma_rxe] ... Call Trace: rxe_dereg_mr+0x4c/0x60 [rdma_rxe] ib_dereg_mr_user+0xa8/0x200 [ib_core] ib_mr_pool_destroy+0x77/0xb0 [ib_core] nvme_rdma_destroy_queue_ib+0x89/0x240 [nvme_rdma] nvme_rdma_free_queue+0x40/0x50 [nvme_rdma] nvme_rdma_teardown_io_queues.part.0+0xc3/0x120 [nvme_rdma] nvme_rdma_error_recovery_work+0x4d/0xf0 [nvme_rdma] process_one_work+0x582/0xa40 ? pwq_dec_nr_in_flight+0x100/0x100 ? rwlock_bug.part.0+0x60/0x60 worker_thread+0x2a9/0x700 ? process_one_work+0xa40/0xa40 kthread+0x168/0x1a0 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30

Affected

9 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.0.8-1 (bookworm)linux 6.0.8-1 (bookworm)
linuxlinux——
linuxlinux>= 8a1a0be894da0d06bfbb496cc2dc3057fa83e103 < 50b35ad2864a9d66f802f9ce193d99bbef64e21950b35ad2864a9d66f802f9ce193d99bbef64e219
linuxlinux>= 8a1a0be894da0d06bfbb496cc2dc3057fa83e103 < b5f9a01fae42684648c2ee3cd9985f80c67ab9f7b5f9a01fae42684648c2ee3cd9985f80c67ab9f7
linuxlinux_kernel——
linuxlinux_kernel>= 0 < 6.0.8-16.0.8-1
linuxlinux_kernel>= 0 < 6.0.8-16.0.8-1
linuxlinux_kernel>= 0 < 6.0.8-16.0.8-1
linuxlinux_kernel>= 5.18 < 6.0.86.0.8

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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