{"id":"DEBIAN-CVE-2021-47265","details":"In the Linux kernel, the following vulnerability has been resolved:  RDMA: Verify port when creating flow rule  Validate port value provided by the user and with that remove no longer needed validation by the driver.  The missing check in the mlx5_ib driver could cause to the below oops.  Call trace:   _create_flow_rule+0x2d4/0xf28 [mlx5_ib]   mlx5_ib_create_flow+0x2d0/0x5b0 [mlx5_ib]   ib_uverbs_ex_create_flow+0x4cc/0x624 [ib_uverbs]   ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0xd4/0x150 [ib_uverbs]   ib_uverbs_cmd_verbs.isra.7+0xb28/0xc50 [ib_uverbs]   ib_uverbs_ioctl+0x158/0x1d0 [ib_uverbs]   do_vfs_ioctl+0xd0/0xaf0   ksys_ioctl+0x84/0xb4   __arm64_sys_ioctl+0x28/0xc4   el0_svc_common.constprop.3+0xa4/0x254   el0_svc_handler+0x84/0xa0   el0_svc+0x10/0x26c  Code: b9401260 f9615681 51000400 8b001c20 (f9403c1a)","modified":"2026-09-15T09:02:31.306565389Z","published":"2024-05-21T15:15:15.147Z","upstream":["CVE-2021-47265"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-47265"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.6-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-47265.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.6-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-47265.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.6-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-47265.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}