{"id":"CVE-2026-23257","state":"PUBLISHED","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.","publishedAt":"2026-03-18T17:41:04.078Z","updatedAt":"2026-05-11T22:03:21.725Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"d86c58eb005eb99da402452f3db7a6e0eae32815","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"f1216b80c9040a904d2ad7c8cd24ca0ff1f36932","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"a0d2389c8cdc1f05de5eb8663bffe9ed05dca769","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"f86bd16280a0f88b538394e0565c56ce4756da99","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"293eaad0d6d6b2a37a458c7deb7be345349cd963","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"8558aef4e8a1a83049ab906d21d391093cfa7e7f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/lio_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"5.10.250","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.200","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.163","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.124","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.70","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.10","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/cavium/liquidio/lio_main.c"]}],"references":["https://git.kernel.org/stable/c/af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d","https://git.kernel.org/stable/c/d86c58eb005eb99da402452f3db7a6e0eae32815","https://git.kernel.org/stable/c/f1216b80c9040a904d2ad7c8cd24ca0ff1f36932","https://git.kernel.org/stable/c/a0d2389c8cdc1f05de5eb8663bffe9ed05dca769","https://git.kernel.org/stable/c/f86bd16280a0f88b538394e0565c56ce4756da99","https://git.kernel.org/stable/c/293eaad0d6d6b2a37a458c7deb7be345349cd963","https://git.kernel.org/stable/c/8558aef4e8a1a83049ab906d21d391093cfa7e7f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23257.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23257","state":"PUBLISHED","datePublished":"2026-03-18T17:41:04.078Z","dateUpdated":"2026-05-11T22:03:21.725Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.990Z"},"containers":{"cna":{"title":"net: liquidio: Fix off-by-one error in PF setup_nic_devices() cleanup","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"af38d9a5cb49fe9d0d282b44f17fdc1f3270d99d","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"d86c58eb005eb99da402452f3db7a6e0eae32815","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"f1216b80c9040a904d2ad7c8cd24ca0ff1f36932","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"a0d2389c8cdc1f05de5eb8663bffe9ed05dca769","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"f86bd16280a0f88b538394e0565c56ce4756da99","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"293eaad0d6d6b2a37a458c7deb7be345349cd963","versionType":"git"},{"version":"f21fb3ed364bb83533c5efe19354e337ea9ecda9","status":"affected","lessThan":"8558aef4e8a1a83049ab906d21d391093cfa7e7f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/lio_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"5.10.250","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.200","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.163","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.124","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.70","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.10","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/cavium/liquidio/lio_main.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:03:21.725Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.250"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.200"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.6.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.12.70"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.18.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}