{"api_version":"1","generated_at":"2026-07-24T20:03:38+00:00","cve":"CVE-2026-23204","urls":{"html":"https://cve.report/CVE-2026-23204","api":"https://cve.report/api/cve/CVE-2026-23204.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23204","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23204"},"summary":{"title":"net/sched: cls_u32: use skb_header_pointer_careful()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: cls_u32: use skb_header_pointer_careful()\n\nskb_header_pointer() does not fully validate negative @offset values.\n\nUse skb_header_pointer_careful() instead.\n\nGangMin Kim provided a report and a repro fooling u32_classify():\n\nBUG: KASAN: slab-out-of-bounds in u32_classify+0x1180/0x11b0\nnet/sched/cls_u32.c:221","state":"PUBLISHED","assigner":"Linux","published_at":"2026-02-14 17:15:58","updated_at":"2026-07-14 13:18:26"},"problem_types":["CWE-125"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/cfa745830e45ecb75c061aa34330ee0cac941cc7","name":"https://git.kernel.org/stable/c/cfa745830e45ecb75c061aa34330ee0cac941cc7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html","name":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html","refsource":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html","name":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html","refsource":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e41a23e61259f5526af875c3b86b3d42a9bae0e5","name":"https://git.kernel.org/stable/c/e41a23e61259f5526af875c3b86b3d42a9bae0e5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cabd1a976375780dabab888784e356f574bbaed8","name":"https://git.kernel.org/stable/c/cabd1a976375780dabab888784e356f574bbaed8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8a672f177ebe19c93d795fbe967846084fbc7943","name":"https://git.kernel.org/stable/c/8a672f177ebe19c93d795fbe967846084fbc7943","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/13336a6239b9d7c6e61483017bb8bdfe3ceb10a5","name":"https://git.kernel.org/stable/c/13336a6239b9d7c6e61483017bb8bdfe3ceb10a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/29681ed51e737be14d18ecd1c304c57002e4b72c","name":"https://git.kernel.org/stable/c/29681ed51e737be14d18ecd1c304c57002e4b72c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/66e4b63d61c15de6ca5332d9ca6db59a404d7136","name":"https://git.kernel.org/stable/c/66e4b63d61c15de6ca5332d9ca6db59a404d7136","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23204","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23204","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d 66e4b63d61c15de6ca5332d9ca6db59a404d7136 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d 29681ed51e737be14d18ecd1c304c57002e4b72c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d cfa745830e45ecb75c061aa34330ee0cac941cc7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d 13336a6239b9d7c6e61483017bb8bdfe3ceb10a5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d e41a23e61259f5526af875c3b86b3d42a9bae0e5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d 8a672f177ebe19c93d795fbe967846084fbc7943 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d cabd1a976375780dabab888784e356f574bbaed8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.35","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.35 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.260 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.209 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.167 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.124 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.70 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.10 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 * original_commit_for_fix","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","version":"affected V3.1.6 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","version":"affected V3.1.6 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","version":"affected V3.1.6 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","version":"affected V3.1.6 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","version":"affected V3.1.6 * custom","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","version":"affected V3.1.5 * custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"23204","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-23204","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-06-16T20:32:50.609345Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-06-16T20:32:59.096Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"},{"affected":[{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}],"providerMetadata":{"dateUpdated":"2026-07-14T12:46:10.228Z","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP"},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}],"x_adpType":"supplier"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sched/cls_u32.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"66e4b63d61c15de6ca5332d9ca6db59a404d7136","status":"affected","version":"fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d","versionType":"git"},{"lessThan":"29681ed51e737be14d18ecd1c304c57002e4b72c","status":"affected","version":"fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d","versionType":"git"},{"lessThan":"cfa745830e45ecb75c061aa34330ee0cac941cc7","status":"affected","version":"fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d","versionType":"git"},{"lessThan":"13336a6239b9d7c6e61483017bb8bdfe3ceb10a5","status":"affected","version":"fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d","versionType":"git"},{"lessThan":"e41a23e61259f5526af875c3b86b3d42a9bae0e5","status":"affected","version":"fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d","versionType":"git"},{"lessThan":"8a672f177ebe19c93d795fbe967846084fbc7943","status":"affected","version":"fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d","versionType":"git"},{"lessThan":"cabd1a976375780dabab888784e356f574bbaed8","status":"affected","version":"fbc2e7d9cf49e0bf89b9e91fd60a06851a855c5d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/sched/cls_u32.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.35"},{"lessThan":"2.6.35","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.260","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.124","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.70","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.260","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.124","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.70","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.10","versionStartIncluding":"2.6.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19","versionStartIncluding":"2.6.35","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: cls_u32: use skb_header_pointer_careful()\n\nskb_header_pointer() does not fully validate negative @offset values.\n\nUse skb_header_pointer_careful() instead.\n\nGangMin Kim provided a report and a repro fooling u32_classify():\n\nBUG: KASAN: slab-out-of-bounds in u32_classify+0x1180/0x11b0\nnet/sched/cls_u32.c:221"}],"metrics":[{"cvssV3_1":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-04T11:50:26.593Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/66e4b63d61c15de6ca5332d9ca6db59a404d7136"},{"url":"https://git.kernel.org/stable/c/29681ed51e737be14d18ecd1c304c57002e4b72c"},{"url":"https://git.kernel.org/stable/c/cfa745830e45ecb75c061aa34330ee0cac941cc7"},{"url":"https://git.kernel.org/stable/c/13336a6239b9d7c6e61483017bb8bdfe3ceb10a5"},{"url":"https://git.kernel.org/stable/c/e41a23e61259f5526af875c3b86b3d42a9bae0e5"},{"url":"https://git.kernel.org/stable/c/8a672f177ebe19c93d795fbe967846084fbc7943"},{"url":"https://git.kernel.org/stable/c/cabd1a976375780dabab888784e356f574bbaed8"}],"title":"net/sched: cls_u32: use skb_header_pointer_careful()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23204","datePublished":"2026-02-14T16:27:27.708Z","dateReserved":"2026-01-13T15:37:45.986Z","dateUpdated":"2026-07-14T12:46:10.228Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-14 17:15:58","lastModifiedDate":"2026-07-14 13:18:26","problem_types":["CWE-125"],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-16T20:32:50.609345Z","id":"CVE-2026-23204","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35.1","versionEndExcluding":"6.6.124","matchCriteriaId":"CDD3DE1F-BBB8-495C-81E8-5D36799A6116"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.70","matchCriteriaId":"F3791390-0628-4808-99EF-1ED8ABF60933"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.10","matchCriteriaId":"7156C23F-009E-4D05-838C-A2DA417B5B8D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:2.6.35:-:*:*:*:*:*:*","matchCriteriaId":"11B11B98-42CE-41C8-A40E-FAA230FD2A76"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:2.6.35:rc2:*:*:*:*:*:*","matchCriteriaId":"EA4BC3D2-70FF-4EED-9DC8-B378F88F4D36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:2.6.35:rc3:*:*:*:*:*:*","matchCriteriaId":"A7ACC123-06D8-4A3F-8730-AA7FF6EFBD35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:2.6.35:rc4:*:*:*:*:*:*","matchCriteriaId":"3F6891F7-2B07-4A96-A0D6-AC528B7E0DD8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:2.6.35:rc5:*:*:*:*:*:*","matchCriteriaId":"657BCE5D-DC8B-4BE2-AED8-BC52C738F999"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:2.6.35:rc6:*:*:*:*:*:*","matchCriteriaId":"160E9402-241A-44AE-A92A-9629CA656F38"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*","matchCriteriaId":"17B67AA7-40D6-4AFA-8459-F200F3D7CFD1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*","matchCriteriaId":"C47E4CC9-C826-4FA9-B014-7FE3D9B318B2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*","matchCriteriaId":"F71D92C0-C023-48BD-B3B6-70B638EEE298"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*","matchCriteriaId":"13580667-0A98-40CC-B29F-D12790B91BDB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*","matchCriteriaId":"CAD1FED7-CF48-47BF-AC7D-7B6FA3C065FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*","matchCriteriaId":"3EF854A1-ABB1-4E93-BE9A-44569EC76C0D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*","matchCriteriaId":"F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*","matchCriteriaId":"EB5B7DFC-C36B-45D8-922C-877569FDDF43"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23204","Ordinal":"1","Title":"net/sched: cls_u32: use skb_header_pointer_careful()","CVE":"CVE-2026-23204","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23204","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: cls_u32: use skb_header_pointer_careful()\n\nskb_header_pointer() does not fully validate negative @offset values.\n\nUse skb_header_pointer_careful() instead.\n\nGangMin Kim provided a report and a repro fooling u32_classify():\n\nBUG: KASAN: slab-out-of-bounds in u32_classify+0x1180/0x11b0\nnet/sched/cls_u32.c:221","Type":"Description","Title":"net/sched: cls_u32: use skb_header_pointer_careful()"}]}}}