{"id":"AZL-68544","summary":"CVE-2024-49569 affecting package kernel 5.15.200.1-1","details":"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: 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.","modified":"2026-04-01T05:21:26.915249Z","published":"2025-01-11T13:15:23Z","upstream":["CVE-2024-49569"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49569"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.15.200.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-68544.json"}}],"schema_version":"1.7.5"}