{"id":"CVE-2025-71112","state":"PUBLISHED","title":"net: hns3: add VLAN id validation before using","description":"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\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.","publishedAt":"2026-01-14T15:05:59.308Z","updatedAt":"2026-10-19T18:15:13.783Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"Linux"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"46c7d9fe8dd869ea5de666aba8c1ec1061ca44a8","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"42c91dfa772c57de141e5a55a187ac760c0fd7e1","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"00e56a7706e10b3d00a258d81fcb85a7e96372d6","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"b7b4f3bf118f51b67691a55b464f04452e5dc6fc","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"95cca255a7a5ad782639ff0298c2a486707d1046","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"91a51d01be5c9f82c12c2921ca5cceaa31b67128","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"6ef935e65902bfed53980ad2754b06a284ea8ac1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"5.10.248","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.198","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.160","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.3","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c"]}],"references":["https://git.kernel.org/stable/c/46c7d9fe8dd869ea5de666aba8c1ec1061ca44a8","https://git.kernel.org/stable/c/42c91dfa772c57de141e5a55a187ac760c0fd7e1","https://git.kernel.org/stable/c/00e56a7706e10b3d00a258d81fcb85a7e96372d6","https://git.kernel.org/stable/c/b7b4f3bf118f51b67691a55b464f04452e5dc6fc","https://git.kernel.org/stable/c/95cca255a7a5ad782639ff0298c2a486707d1046","https://git.kernel.org/stable/c/91a51d01be5c9f82c12c2921ca5cceaa31b67128","https://git.kernel.org/stable/c/6ef935e65902bfed53980ad2754b06a284ea8ac1","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71112.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71112","state":"PUBLISHED","datePublished":"2026-01-14T15:05:59.308Z","dateUpdated":"2026-10-19T18:15:13.783Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:30:19.653Z"},"containers":{"cna":{"title":"net: hns3: add VLAN id validation before using","descriptions":[{"lang":"en","value":"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\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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"46c7d9fe8dd869ea5de666aba8c1ec1061ca44a8","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"42c91dfa772c57de141e5a55a187ac760c0fd7e1","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"00e56a7706e10b3d00a258d81fcb85a7e96372d6","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"b7b4f3bf118f51b67691a55b464f04452e5dc6fc","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"95cca255a7a5ad782639ff0298c2a486707d1046","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"91a51d01be5c9f82c12c2921ca5cceaa31b67128","versionType":"git"},{"version":"fe4144d47eef8453459c53a34e9d5940a3e6c219","status":"affected","lessThan":"6ef935e65902bfed53980ad2754b06a284ea8ac1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"5.10.248","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.198","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.160","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.120","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.64","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.3","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c"]}],"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"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"},"scenarios":[{"lang":"en","value":"AV:L - The flaw is reached through an HNS3 SR-IOV VF-to-PF hardware mailbox, not received network traffic; a tenant controlling an assigned VF can craft the VLAN command.\nAC:L - With the default port-based VLAN state disabled, an invalid delete deterministically causes an out-of-bounds set_bit() after hardware validation returns -EINVAL. No race or uncontrollable condition is required.\nPR:L - The attacker needs control of an assigned VF but no PF or host administrative privilege or mailbox authentication. Delegated VF access is a low privilege in the originating tenant scope.\nUI:N - The PF processes the VF mailbox command automatically without any victim action.\nS:C - An untrusted VM or workload can control the VF while the malformed request corrupts the host PF kernel, crossing the tenant-to-host security boundary.\nC:H - The 16-bit ID reaches roughly 7.5 KiB beyond the bitmap into adjacent pointers and structures. The resulting corruption can enable host-kernel code execution and arbitrary memory disclosure.\nI:H - Invalid delete and add requests provide selected bit-set and bit-clear operations over adjacent kernel data, enabling pointer corruption and potentially host-kernel code execution.\nA:H - The repeatable out-of-bounds atomic memory operations can corrupt or fault kernel memory, directly causing a host kernel oops, panic, or hang."}]}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-05T12:12:09.084Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.10.248"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.15.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.1.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.6.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.12.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","defaultStatus":"unknown","versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-15T01:10:48.923Z"},"x_adpType":"supplier"},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-71112","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-16T15:05:48.983930Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","type":"CWE","description":"CWE-787 Out-of-bounds Write"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-19T18:15:13.783Z"}}]}}}