{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47265", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T13:27:52.126Z", "datePublished": "2024-05-21T14:19:56.597Z", "dateUpdated": "2025-05-04T07:07:31.223Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:07:31.223Z"}, "descriptions": [{"lang": "en", "value": "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)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/core/uverbs_cmd.c", "drivers/infiniband/hw/mlx4/main.c", "drivers/infiniband/hw/mlx5/fs.c"], "versions": [{"version": "436f2ad05a0b65b1467ddf51bc68171c381bf844", "lessThan": "8dc1b0e0ca204596c50bcd159ee069ae0f998176", "status": "affected", "versionType": "git"}, {"version": "436f2ad05a0b65b1467ddf51bc68171c381bf844", "lessThan": "2adcb4c5a52a2623cd2b43efa7041e74d19f3a5e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/core/uverbs_cmd.c", "drivers/infiniband/hw/mlx4/main.c", "drivers/infiniband/hw/mlx5/fs.c"], "versions": [{"version": "3.12", "status": "affected"}, {"version": "0", "lessThan": "3.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.12.11", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "5.12.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.12", "versionEndExcluding": "5.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8dc1b0e0ca204596c50bcd159ee069ae0f998176"}, {"url": "https://git.kernel.org/stable/c/2adcb4c5a52a2623cd2b43efa7041e74d19f3a5e"}], "title": "RDMA: Verify port when creating flow rule", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:08.160Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/8dc1b0e0ca204596c50bcd159ee069ae0f998176", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2adcb4c5a52a2623cd2b43efa7041e74d19f3a5e", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47265", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:39:48.135912Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:11.510Z"}}]}}

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{"bugzilla": {"description": "kernel: RDMA: Verify port when creating flow rule", "id": "2282540", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282540"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nRDMA: Verify port when creating flow rule\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.\nCall trace:\n_create_flow_rule+0x2d4/0xf28 [mlx5_ib]\nmlx5_ib_create_flow+0x2d0/0x5b0 [mlx5_ib]\nib_uverbs_ex_create_flow+0x4cc/0x624 [ib_uverbs]\nib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0xd4/0x150 [ib_uverbs]\nib_uverbs_cmd_verbs.isra.7+0xb28/0xc50 [ib_uverbs]\nib_uverbs_ioctl+0x158/0x1d0 [ib_uverbs]\ndo_vfs_ioctl+0xd0/0xaf0\nksys_ioctl+0x84/0xb4\n__arm64_sys_ioctl+0x28/0xc4\nel0_svc_common.constprop.3+0xa4/0x254\nel0_svc_handler+0x84/0xa0\nel0_svc+0x10/0x26c\nCode: b9401260 f9615681 51000400 8b001c20 (f9403c1a)"], "name": "CVE-2021-47265", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47265\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47265\nhttps://lore.kernel.org/linux-cve-announce/2024052149-CVE-2021-47265-b339@gregkh/T"], "threat_severity": "Low"}