CVE-2024-49569

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-49569
In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: unquiesce admin_q before destroy it Kernel will hang on destroy admin_q while we create ctrl failed, such as following calltrace: PID: 23644 TASK: ff2d52b40f439fc0 CPU: 2 COMMAND: "nvme" #0 [ff61d23de260fb78] __schedule at ffffffff8323bc15 #1 [ff61d23de260fc08] schedule at ffffffff8323c014 #2 [ff61d23de260fc28] blk_mq_freeze_queue_wait at ffffffff82a3dba1 #3 [ff61d23de260fc78] blk_freeze_queue at ffffffff82a4113a #4 [ff61d23de260fc90] blk_cleanup_queue at ffffffff82a33006 #5 [ff61d23de260fcb0] nvme_rdma_destroy_admin_queue at ffffffffc12686ce #6 [ff61d23de260fcc8] nvme_rdma_setup_ctrl at ffffffffc1268ced #7 [ff61d23de260fd28] nvme_rdma_create_ctrl at ffffffffc126919b #8 [ff61d23de260fd68] nvmf_dev_write at ffffffffc024f362 #9 [ff61d23de260fe38] vfs_write at ffffffff827d5f25 RIP: 00007fda7891d574 RSP: 00007ffe2ef06958 RFLAGS: 00000202 RAX: ffffffffffffffda RBX: 000055e8122a4d90 RCX: 00007fda7891d574 RDX: 000000000000012b RSI: 000055e8122a4d90 RDI: 0000000000000004 RBP: 00007ffe2ef079c0 R8: 000000000000012b R9: 000055e8122a4d90 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 R13: 000055e8122923c0 R14: 000000000000012b R15: 00007fda78a54500 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b This due to we have quiesced admi_q before cancel requests, but forgot to unquiesce before destroy it, as a result we fail to drain the pending requests, and hang on blk_mq_freeze_queue_wait() forever. Here try to reuse nvme_rdma_teardown_admin_queue() to fix this issue and simplify the code.
CVSS

No CVSS.

References
Link Resource
https://git.kernel.org/stable/c/05b436f3cf65c957eff86c5ea5ddfa2604b32c63
https://git.kernel.org/stable/c/427036030f4d796533dcadba9b845896cb6c10a7
https://git.kernel.org/stable/c/5858b687559809f05393af745cbadf06dee61295
Configurations

No configuration.

History

25 Apr 2025, 11:15

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/427036030f4d796533dcadba9b845896cb6c10a7 -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvme-rdma: anular la desactivación de admin_q antes de destruirlo El kernel se bloqueará al destruir admin_q mientras creamos un control fallido, como el siguiente calltrace: PID: 23644 TAREA: ff2d52b40f439fc0 CPU: 2 COMANDO: "nvme" #0 [ff61d23de260fb78] __schedule en ffffffff8323bc15 #1 [ff61d23de260fc08] schedule en ffffffff8323c014 #2 [ff61d23de260fc28] blk_mq_freeze_queue_wait en ffffffff82a3dba1 #3 [ff61d23de260fc78] blk_freeze_queue en ffffffff82a4113a #4 [ff61d23de260fc90] blk_cleanup_queue en ffffffff82a33006 #5 [ff61d23de260fcb0] nvme_rdma_destroy_admin_queue en ffffffffc12686ce #6 [ff61d23de260fcc8] nvme_rdma_setup_ctrl en ffffffffc1268ced #7 [ff61d23de260fd28] nvme_rdma_create_ctrl en ffffffffc126919b #8 [ff61d23de260fd68] nvmf_dev_write en ffffffffc024f362 #9 [ff61d23de260fe38] vfs_write en ffffffff827d5f25 RIP: 00007fda7891d574 RSP: 00007ffe2ef06958 RFLAGS: 00000202 RAX: ffffffffffffffda RBX: 000055e8122a4d90 RCX: 00007fda7891d574 RDX: 000000000000012b RSI: 000055e8122a4d90 RDI: 000000000000004 RBP: 00007ffe2ef079c0 R8: 000000000000012b R9: 000055e8122a4d90 R10: 00000000000000000 R11: 0000000000000202 R12: 0000000000000004 R13: 000055e8122923c0 R14: 000000000000012b R15: 00007fda78a54500 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b Esto se debe a que hemos silenciado admi_q antes de cancelar solicitudes, pero olvidamos reactivarlo antes de destruirlo, como resultado no podemos drenar las solicitudes pendientes y nos quedamos colgados en blk_mq_freeze_queue_wait() para siempre. Aquí intente reutilizar nvme_rdma_teardown_admin_queue() para solucionar este problema y simplificar el código.

11 Jan 2025, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-01-11 13:15

Updated : 2025-04-25 11:15

NVD link : CVE-2024-49569

Mitre link : CVE-2024-49569

CVE.ORG link : CVE-2024-49569

JSON object : View

Products Affected

No product.

CWE

No CWE.