{"id":"CVE-2026-43030","revision":null,"records":[{"revision":"be4155fd04324667bbf0348277aee951","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-43030","aliases":[],"title":"bpf: Fix regsafe() for pointers to packet","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix regsafe() for pointers to packet\n\nIn case rold->reg->range == BEYOND_PKT_END && rcur->reg->range == N\nregsafe() may return true which may lead to current state with\nvalid packet range not being explored. Fix the bug.","state":0,"publishedAt":"2026-05-01T14:15:30.564+00:00","modifiedAt":"2026-10-19T19:06:10.383+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"kernel/bpf/verifier.c\"\n ],\n \"versions\": [\n {\n \"version\": \"95b6ec733752b31bfd166c4609d2c1b5cdde9b47\",\n \"lessThan\": \"b52f6d0ef7b308f9d05bbddb78749852f28e8e40\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d94e741a8ff818e5518da8257f5ca0aaed1f269\",\n \"lessThan\": \"37db6b9726d0bcf91cbdf9d63b558c50da49f968\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d94e741a8ff818e5518da8257f5ca0aaed1f269\",\n \"lessThan\": \"015a74476dc1ab6923d89f1ee009aaf43faa7185\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d94e741a8ff818e5518da8257f5ca0aaed1f269\",\n \"lessThan\": \"b99d82706bd1511bb875e3de7154698fd9215c99\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d94e741a8ff818e5518da8257f5ca0aaed1f269\",\n \"lessThan\": \"7241da033fdc507b920e092dab1f97b945cb0370\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d94e741a8ff818e5518da8257f5ca0aaed1f269\",\n \"lessThan\": \"8aebe18069394f4a79d2d82080a0f806da449996\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d94e741a8ff818e5518da8257f5ca0aaed1f269\",\n \"lessThan\": \"ca995b1462ec6db1e869100ba1fb7356bd3f22f0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d94e741a8ff818e5518da8257f5ca0aaed1f269\",\n \"lessThan\": \"a8502a79e832b861e99218cbd2d8f4312d62e225\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5.10.155\",\n \"lessThan\": \"5.10.253\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"kernel/bpf/verifier.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.11\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.11\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.253\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.203\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.168\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.134\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.81\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.22\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19.12\",\n \"lessThanOrEqual\": \"6.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.0\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/b52f6d0ef7b308f9d05bbddb78749852f28e8e40","https://git.kernel.org/stable/c/37db6b9726d0bcf91cbdf9d63b558c50da49f968","https://git.kernel.org/stable/c/015a74476dc1ab6923d89f1ee009aaf43faa7185","https://git.kernel.org/stable/c/b99d82706bd1511bb875e3de7154698fd9215c99","https://git.kernel.org/stable/c/7241da033fdc507b920e092dab1f97b945cb0370","https://git.kernel.org/stable/c/8aebe18069394f4a79d2d82080a0f806da449996","https://git.kernel.org/stable/c/ca995b1462ec6db1e869100ba1fb7356bd3f22f0","https://git.kernel.org/stable/c/a8502a79e832b861e99218cbd2d8f4312d62e225"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43030","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-43030","identifiers":["CVE-2026-43030"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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