{"id":"CVE-2026-64413","aliases":[],"cve":{"records":[{"id":"CVE-2026-64413","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-07-19T15:36:31.786Z","published":"2026-07-25T08:50:53.759Z","modified":"2026-11-10T12:49:17.755Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-08-17T04:55:12.351Z"},{"name":"siemens-SADP","role":"ADP","organizationId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","modified":"2026-11-10T12:49:17.755Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-19T20:38:27.843Z"}],"references":[{"url":"https://git.kernel.org/stable/c/2ade612967e2cdfb9290ebcb773f302c82f311fa","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/42bef500d07b5769d916e9122a3e3fa3fd2245ef","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/fc7f105451044501a50cfd530cfa3b472c54acbc","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/9e6c5169db423e51dcc66a73fd15409c0d38e088","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/29bf41a9b59aff9f6197df58641a00037d567ca8","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/9f74d28e903fa4fdf82f870d0aeadddc8196e41c","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/5ee856e4208acafaaaf7b84824d39b78c21345d6","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/cbfe53599eebffd188938ab6774cc41794f6f9d5","tags":[],"source":"Linux"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html","tags":[],"source":"siemens-SADP"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html","tags":[],"source":"siemens-SADP"}],"weaknesses":[{"id":"CWE-457","description":"CWE-457 Use of Uninitialized Variable","source":"CISA-ADP"}],"applicability":[{"source":"Linux","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.2"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-16T15:40:24.345597Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"netfilter: ebtables: zero chainstack array","titleSource":"Linux","descriptionSource":"Linux","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ebtables: zero chainstack array\n\nsashiko reports:\n looking at ebtables table\n translation, could a sparse cpu_possible_mask lead to an uninitialized pointer\n free?\n\n If cpu_possible_mask is sparse (for example, CPU 0 and CPU 2 are possible,\n but CPU 1 is not), the allocation loop skips CPU 1. If vmalloc_node() fails at\n CPU 2, the cleanup loop will blindly decrement and call vfree() on\n newinfo->chainstack[1].\n\nNot a real-world bug, such allocation isn't expected to fail\nin the first place.","score":7,"severity":"high","published":"2026-07-25T08:50:53.759Z","modified":"2026-11-10T12:49:17.755Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"2ade612967e2cdfb9290ebcb773f302c82f311fa","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"42bef500d07b5769d916e9122a3e3fa3fd2245ef","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"fc7f105451044501a50cfd530cfa3b472c54acbc","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"9e6c5169db423e51dcc66a73fd15409c0d38e088","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"29bf41a9b59aff9f6197df58641a00037d567ca8","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"9f74d28e903fa4fdf82f870d0aeadddc8196e41c","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"5ee856e4208acafaaaf7b84824d39b78c21345d6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"cbfe53599eebffd188938ab6774cc41794f6f9d5","versionType":"git"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)","platforms":[],"versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)","platforms":[],"versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)","platforms":[],"versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)","platforms":[],"versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)","platforms":[],"versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)","platforms":[],"versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)","platforms":[],"versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)","platforms":[],"versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)","platforms":[],"versions":[{"version":"V3.1.6","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"},{"vendor":"Siemens","name":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)","platforms":[],"versions":[{"version":"V3.1.7","status":"affected","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"}],"remediation":[],"references":["https://git.kernel.org/stable/c/2ade612967e2cdfb9290ebcb773f302c82f311fa","https://git.kernel.org/stable/c/42bef500d07b5769d916e9122a3e3fa3fd2245ef","https://git.kernel.org/stable/c/fc7f105451044501a50cfd530cfa3b472c54acbc","https://git.kernel.org/stable/c/9e6c5169db423e51dcc66a73fd15409c0d38e088","https://git.kernel.org/stable/c/29bf41a9b59aff9f6197df58641a00037d567ca8","https://git.kernel.org/stable/c/9f74d28e903fa4fdf82f870d0aeadddc8196e41c","https://git.kernel.org/stable/c/5ee856e4208acafaaaf7b84824d39b78c21345d6","https://git.kernel.org/stable/c/cbfe53599eebffd188938ab6774cc41794f6f9d5","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"sources":[{"name":"CVE","id":"CVE-2026-64413","modified":"2026-11-10T12:49:17.755Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-64413"}],"assessments":[{"source":"Linux","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7}],"sourceAffected":[],"observedAt":"2026-11-10T13:02:50.927Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T01:55:30.737Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-10T13:30:31.773Z","attemptedAt":"2026-11-10T13:30:31.773Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-10T13:30:31.773Z","attemptedAt":"2026-11-10T13:30:31.773Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-10T13:30:31.773Z","attemptedAt":"2026-11-10T13:30:31.773Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-10T13:30:32.077Z","attemptedAt":"2026-11-10T13:30:32.077Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-48r8-x424-wvc7","url":"https://github.com/advisories/GHSA-48r8-x424-wvc7","modified":"2026-10-19T21:35:35Z","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-11-10T13:30:31.773Z"},{"source":"NVD","id":"CVE-2026-64413","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64413","modified":"2026-11-10T13:19:35.060","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-11-10T13:30:31.773Z"},{"source":"ENISA EUVD","id":"EUVD-2026-48957","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-48957","modified":"Oct 19, 2026, 8:38:27 PM","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-11-10T13:30:31.773Z"},{"source":"FIRST EPSS","id":"CVE-2026-64413","url":"https://www.first.org/epss/","probability":0.00128,"percentile":0.02446,"date":"2026-11-09","checkedAt":"2026-11-10T13:30:32.077Z"}],"aiSummary":null}