{"api_version":"1","generated_at":"2026-07-23T14:16:10+00:00","cve":"CVE-2026-23257","urls":{"html":"https://cve.report/CVE-2026-23257","api":"https://cve.report/api/cve/CVE-2026-23257.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23257","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23257"},"summary":{"title":"net: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup\n\nIn setup_nic_devices(), the initialization loop jumps to the label\nsetup_nic_dev_free on failure. The current cleanup loop while(i--)\nskip the failing index i, causing a memory leak.\n\nFix this by changing the loop to iterate from the current index i\ndown to 0.\n\nAlso, decrement i in the devlink_alloc failure path to point to the\nlast successfully allocated index.\n\nCompile tested only. Issue found using code review.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-03-18 18:16:23","updated_at":"2026-05-21 00:11:32"},"problem_types":["CWE-193"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/8558aef4e8a1a83049ab906d21d391093cfa7e7f","name":"https://git.kernel.org/stable/c/8558aef4e8a1a83049ab906d21d391093cfa7e7f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/293eaad0d6d6b2a37a458c7deb7be345349cd963","name":"https://git.kernel.org/stable/c/293eaad0d6d6b2a37a458c7deb7be345349cd963","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d","name":"https://git.kernel.org/stable/c/af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d86c58eb005eb99da402452f3db7a6e0eae32815","name":"https://git.kernel.org/stable/c/d86c58eb005eb99da402452f3db7a6e0eae32815","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a0d2389c8cdc1f05de5eb8663bffe9ed05dca769","name":"https://git.kernel.org/stable/c/a0d2389c8cdc1f05de5eb8663bffe9ed05dca769","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f1216b80c9040a904d2ad7c8cd24ca0ff1f36932","name":"https://git.kernel.org/stable/c/f1216b80c9040a904d2ad7c8cd24ca0ff1f36932","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f86bd16280a0f88b538394e0565c56ce4756da99","name":"https://git.kernel.org/stable/c/f86bd16280a0f88b538394e0565c56ce4756da99","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23257","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23257","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f21fb3ed364bb83533c5efe19354e337ea9ecda9 af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f21fb3ed364bb83533c5efe19354e337ea9ecda9 d86c58eb005eb99da402452f3db7a6e0eae32815 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f21fb3ed364bb83533c5efe19354e337ea9ecda9 f1216b80c9040a904d2ad7c8cd24ca0ff1f36932 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f21fb3ed364bb83533c5efe19354e337ea9ecda9 a0d2389c8cdc1f05de5eb8663bffe9ed05dca769 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f21fb3ed364bb83533c5efe19354e337ea9ecda9 f86bd16280a0f88b538394e0565c56ce4756da99 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f21fb3ed364bb83533c5efe19354e337ea9ecda9 293eaad0d6d6b2a37a458c7deb7be345349cd963 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f21fb3ed364bb83533c5efe19354e337ea9ecda9 8558aef4e8a1a83049ab906d21d391093cfa7e7f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.250 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.200 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.163 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":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"23257","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":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/cavium/liquidio/lio_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d","status":"affected","version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","versionType":"git"},{"lessThan":"d86c58eb005eb99da402452f3db7a6e0eae32815","status":"affected","version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","versionType":"git"},{"lessThan":"f1216b80c9040a904d2ad7c8cd24ca0ff1f36932","status":"affected","version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","versionType":"git"},{"lessThan":"a0d2389c8cdc1f05de5eb8663bffe9ed05dca769","status":"affected","version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","versionType":"git"},{"lessThan":"f86bd16280a0f88b538394e0565c56ce4756da99","status":"affected","version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","versionType":"git"},{"lessThan":"293eaad0d6d6b2a37a458c7deb7be345349cd963","status":"affected","version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","versionType":"git"},{"lessThan":"8558aef4e8a1a83049ab906d21d391093cfa7e7f","status":"affected","version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/cavium/liquidio/lio_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.2"},{"lessThan":"4.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.250","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.200","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.163","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":"5.10.250","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.200","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.163","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.124","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.70","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.10","versionStartIncluding":"4.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19","versionStartIncluding":"4.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup\n\nIn setup_nic_devices(), the initialization loop jumps to the label\nsetup_nic_dev_free on failure. The current cleanup loop while(i--)\nskip the failing index i, causing a memory leak.\n\nFix this by changing the loop to iterate from the current index i\ndown to 0.\n\nAlso, decrement i in the devlink_alloc failure path to point to the\nlast successfully allocated index.\n\nCompile tested only. Issue found using code review."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:03:21.725Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d"},{"url":"https://git.kernel.org/stable/c/d86c58eb005eb99da402452f3db7a6e0eae32815"},{"url":"https://git.kernel.org/stable/c/f1216b80c9040a904d2ad7c8cd24ca0ff1f36932"},{"url":"https://git.kernel.org/stable/c/a0d2389c8cdc1f05de5eb8663bffe9ed05dca769"},{"url":"https://git.kernel.org/stable/c/f86bd16280a0f88b538394e0565c56ce4756da99"},{"url":"https://git.kernel.org/stable/c/293eaad0d6d6b2a37a458c7deb7be345349cd963"},{"url":"https://git.kernel.org/stable/c/8558aef4e8a1a83049ab906d21d391093cfa7e7f"}],"title":"net: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23257","datePublished":"2026-03-18T17:41:04.078Z","dateReserved":"2026-01-13T15:37:45.990Z","dateUpdated":"2026-05-11T22:03:21.725Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-18 18:16:23","lastModifiedDate":"2026-05-21 00:11:32","problem_types":["CWE-193"],"metrics":{"cvssMetricV31":[{"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:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.250","matchCriteriaId":"DCE60E24-7685-4F61-B0E6-95BC33714EDF"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.200","matchCriteriaId":"D16F6370-B70F-471C-8363-3A17B0BB1DA9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.163","matchCriteriaId":"E9C856E1-4308-4C0B-A973-7DD375DF66C4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.124","matchCriteriaId":"76183B9F-CABE-4E21-A3E3-F0EBF99DC3C7"},{"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: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":"23257","Ordinal":"1","Title":"net: liquidio: Fix off-by-one error in PF setup_nic_devices() cl","CVE":"CVE-2026-23257","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23257","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup\n\nIn setup_nic_devices(), the initialization loop jumps to the label\nsetup_nic_dev_free on failure. The current cleanup loop while(i--)\nskip the failing index i, causing a memory leak.\n\nFix this by changing the loop to iterate from the current index i\ndown to 0.\n\nAlso, decrement i in the devlink_alloc failure path to point to the\nlast successfully allocated index.\n\nCompile tested only. Issue found using code review.","Type":"Description","Title":"net: liquidio: Fix off-by-one error in PF setup_nic_devices() cl"}]}}}