{"id":"CVE-2021-47265","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA: Verify port when creating flow rule\n\nValidate port value provided by the user and with that remove no longer\nneeded validation by the driver.  The missing check in the mlx5_ib driver\ncould cause to the below oops.\n\nCall trace:\n  _create_flow_rule+0x2d4/0xf28 [mlx5_ib]\n  mlx5_ib_create_flow+0x2d0/0x5b0 [mlx5_ib]\n  ib_uverbs_ex_create_flow+0x4cc/0x624 [ib_uverbs]\n  ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0xd4/0x150 [ib_uverbs]\n  ib_uverbs_cmd_verbs.isra.7+0xb28/0xc50 [ib_uverbs]\n  ib_uverbs_ioctl+0x158/0x1d0 [ib_uverbs]\n  do_vfs_ioctl+0xd0/0xaf0\n  ksys_ioctl+0x84/0xb4\n  __arm64_sys_ioctl+0x28/0xc4\n  el0_svc_common.constprop.3+0xa4/0x254\n  el0_svc_handler+0x84/0xa0\n  el0_svc+0x10/0x26c\n Code: b9401260 f9615681 51000400 8b001c20 (f9403c1a)","modified":"2026-03-13T05:20:39.792809Z","published":"2024-05-21T15:15:15.147Z","related":["SUSE-SU-2024:1979-1","SUSE-SU-2024:1983-1","SUSE-SU-2024:2010-1","SUSE-SU-2024:2184-1","SUSE-SU-2024:2185-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/2adcb4c5a52a2623cd2b43efa7041e74d19f3a5e"},{"type":"FIX","url":"https://git.kernel.org/stable/c/8dc1b0e0ca204596c50bcd159ee069ae0f998176"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"3.12"},{"fixed":"5.12.11"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc4"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc5"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47265.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}