{"id":"CVE-2024-49569","title":"nvme-rdma: unquiesce admin_q before destroy it","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-rdma: unquiesce admin_q before destroy it\n\nKernel will hang on destroy admin_q while we create ctrl failed, such\nas following calltrace:\n\nPID: 23644    TASK: ff2d5…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 958dc1d32c80566f58d18f05ef1f05bd32d172c1 < 53bdbe5dc80b5887af51d62bf44e50f56972db5f","Linux >= 958dc1d32c80566f58d18f05ef1f05bd32d172c1 < 427036030f4d796533dcadba9b845896cb6c10a7","Linux >= 958dc1d32c80566f58d18f05ef1f05bd32d172c1 < 05b436f3cf65c957eff86c5ea5ddfa2604b32c63","Linux >= 958dc1d32c80566f58d18f05ef1f05bd32d172c1 < 5858b687559809f05393af745cbadf06dee61295","Linux a9ea34d2717a8c8892d3c5677329de9485e325ac","Linux 7da81eaf8710130a9e63d7429627183be5a93787","Linux caed0b3851a4f52afd1ef77a27b30410fe7b68c7","Linux >= 5.4.103 < 5.5","Linux >= 5.10.21 < 5.11","Linux >= 5.11.4 < 5.12","Linux 5.12"],"published":"2025-01-11","updated":"2026-10-30","sourceUpdated":"2026-10-30T12:19:31.857Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-49569","references":[{"url":"https://git.kernel.org/stable/c/53bdbe5dc80b5887af51d62bf44e50f56972db5f"},{"url":"https://git.kernel.org/stable/c/427036030f4d796533dcadba9b845896cb6c10a7"},{"url":"https://git.kernel.org/stable/c/05b436f3cf65c957eff86c5ea5ddfa2604b32c63"},{"url":"https://git.kernel.org/stable/c/5858b687559809f05393af745cbadf06dee61295"}],"tags":["cve.org"],"epss":0.00842,"epssPercentile":0.58177,"ingestedAt":"2026-11-03T13:45:42.697Z","slug":"CVE-2024-49569","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnvme-rdma: unquiesce admin_q before destroy it\n\nKernel will hang on destroy admin_q while we create ctrl failed, such\nas following calltrace:\n\nPID: 23644    TASK: ff2d52b40f439fc0  CPU: 2    COMMAND: \"nvme\"\n #0 [ff61d23de260fb78] __schedule at ffffffff8323bc15\n #1 [ff61d23de260fc08] schedule at ffffffff8323c014\n #2 [ff61d23de260fc28] blk_mq_freeze_queue_wait at ffffffff82a3dba1\n #3 [ff61d23de260fc78] blk_freeze_queue at ffffffff82a4113a\n #4 [ff61d23de260fc90] blk_cleanup_queue at ffffffff82a33006\n #5 [ff61d23de260fcb0] nvme_rdma_destroy_admin_queue at ffffffffc12686ce\n #6 [ff61d23de260fcc8] nvme_rdma_setup_ctrl at ffffffffc1268ced\n #7 [ff61d23de260fd28] nvme_rdma_create_ctrl at ffffffffc126919b\n #8 [ff61d23de260fd68] nvmf_dev_write at ffffffffc024f362\n #9 [ff61d23de260fe38] vfs_write at ffffffff827d5f25\n    RIP: 00007fda7891d574  RSP: 00007ffe2ef06958  RFLAGS: 00000202\n    RAX: ffffffffffffffda  RBX: 000055e8122a4d90  RCX: 00007fda7891d574\n    RDX: 000000000000012b  RSI: 000055e8122a4d90  RDI: 0000000000000004\n    RBP: 00007ffe2ef079c0   R8: 000000000000012b   R9: 000055e8122a4d90\n    R10: 0000000000000000  R11: 0000000000000202  R12: 0000000000000004\n    R13: 000055e8122923c0  R14: 000000000000012b  R15: 00007fda78a54500\n    ORIG_RAX: 0000000000000001  CS: 0033  SS: 002b\n\nThis due to we have quiesced admi_q before cancel requests, but forgot\nto unquiesce before destroy it, as a result we fail to drain the\npending requests, and hang on blk_mq_freeze_queue_wait() forever. Here\ntry to reuse nvme_rdma_teardown_admin_queue() to fix this issue and\nsimplify the code.\n\n## Affected\n\n- `Linux >= 958dc1d32c80566f58d18f05ef1f05bd32d172c1 < 53bdbe5dc80b5887af51d62bf44e50f56972db5f`\n- `Linux >= 958dc1d32c80566f58d18f05ef1f05bd32d172c1 < 427036030f4d796533dcadba9b845896cb6c10a7`\n- `Linux >= 958dc1d32c80566f58d18f05ef1f05bd32d172c1 < 05b436f3cf65c957eff86c5ea5ddfa2604b32c63`\n- `Linux >= 958dc1d32c80566f58d18f05ef1f05bd32d172c1 < 5858b687559809f05393af745cbadf06dee61295`\n- `Linux a9ea34d2717a8c8892d3c5677329de9485e325ac`\n- `Linux 7da81eaf8710130a9e63d7429627183be5a93787`\n- `Linux caed0b3851a4f52afd1ef77a27b30410fe7b68c7`\n- `Linux >= 5.4.103 < 5.5`\n- `Linux >= 5.10.21 < 5.11`\n- `Linux >= 5.11.4 < 5.12`\n- `Linux 5.12`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}