Memory Leak Affecting kernel-default-base package, versions <5.14.21-150500.55.110.1.150500.6.51.3


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.03% (5th percentile)

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  • Snyk IDSNYK-SLES155-KERNELDEFAULTBASE-10570498
  • published1 Jul 2025
  • disclosed30 Jun 2025

Introduced: 30 Jun 2025

CVE-2022-49929  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 kernel-default-base to version 5.14.21-150500.55.110.1.150500.6.51.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-base package and not the kernel-default-base package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

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

CVSS Base Scores

version 3.1