{"id":"CVE-2025-71112","title":"net: hns3: add VLAN id validation before using","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: add VLAN id validation before using\n\nCurrently, the VLAN id may be used without validation when\nreceive a VLAN configuration mailbox from VF. The length of\nv…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 46c7d9fe8dd869ea5de666aba8c1ec1061ca44a8","Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 42c91dfa772c57de141e5a55a187ac760c0fd7e1","Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 00e56a7706e10b3d00a258d81fcb85a7e96372d6","Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < b7b4f3bf118f51b67691a55b464f04452e5dc6fc","Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 95cca255a7a5ad782639ff0298c2a486707d1046","Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 91a51d01be5c9f82c12c2921ca5cceaa31b67128","Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 6ef935e65902bfed53980ad2754b06a284ea8ac1","Linux 5.3"],"published":"2026-01-14","updated":"2026-09-08","sourceUpdated":"2026-09-08T08:43:54.906Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71112","references":[{"url":"https://git.kernel.org/stable/c/46c7d9fe8dd869ea5de666aba8c1ec1061ca44a8"},{"url":"https://git.kernel.org/stable/c/42c91dfa772c57de141e5a55a187ac760c0fd7e1"},{"url":"https://git.kernel.org/stable/c/00e56a7706e10b3d00a258d81fcb85a7e96372d6"},{"url":"https://git.kernel.org/stable/c/b7b4f3bf118f51b67691a55b464f04452e5dc6fc"},{"url":"https://git.kernel.org/stable/c/95cca255a7a5ad782639ff0298c2a486707d1046"},{"url":"https://git.kernel.org/stable/c/91a51d01be5c9f82c12c2921ca5cceaa31b67128"},{"url":"https://git.kernel.org/stable/c/6ef935e65902bfed53980ad2754b06a284ea8ac1"}],"tags":["cve.org"],"epss":0.00151,"epssPercentile":0.03581,"ingestedAt":"2026-09-08T15:33:26.995Z","slug":"CVE-2025-71112","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: add VLAN id validation before using\n\nCurrently, the VLAN id may be used without validation when\nreceive a VLAN configuration mailbox from VF. The length of\nvlan_del_fail_bmap is BITS_TO_LONGS(VLAN_N_VID). It may cause\nout-of-bounds memory access once the VLAN id is bigger than\nor equal to VLAN_N_VID.\n\nTherefore, VLAN id needs to be checked to ensure it is within\nthe range of VLAN_N_VID.\n\n## Affected\n\n- `Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 46c7d9fe8dd869ea5de666aba8c1ec1061ca44a8`\n- `Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 42c91dfa772c57de141e5a55a187ac760c0fd7e1`\n- `Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 00e56a7706e10b3d00a258d81fcb85a7e96372d6`\n- `Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < b7b4f3bf118f51b67691a55b464f04452e5dc6fc`\n- `Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 95cca255a7a5ad782639ff0298c2a486707d1046`\n- `Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 91a51d01be5c9f82c12c2921ca5cceaa31b67128`\n- `Linux >= fe4144d47eef8453459c53a34e9d5940a3e6c219 < 6ef935e65902bfed53980ad2754b06a284ea8ac1`\n- `Linux 5.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}