{"id":"CVE-2026-23256","state":"PUBLISHED","title":"net: liquidio: Fix off-by-one error in VF setup_nic_devices() cleanup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: Fix off-by-one error in VF 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\nCompile tested only. Issue found using code review.","publishedAt":"2026-03-18T17:41:02.964Z","updatedAt":"2026-05-11T22:03:20.564Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"bd680e56e316be92c01568be98d85d7a6c9bd92c","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"01fbca1e93ec3f39f76c31a8f9afa32ce00da48a","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"71a56b89203ec7e5670d94a61a9b4ae617eca804","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"3bf519e39b51cb08a93c0599870b35a23db1031e","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"52b19b3a22306fe452ec9e8ff96063f4bfb77b99","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"4640fa5ad5e1a0dbd1c2d22323b7d70a8107dcfd","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"6cbba46934aefdfb5d171e0a95aec06c24f7ca30","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/lio_vf_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.10","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_vf_main.c"]}],"references":["https://git.kernel.org/stable/c/bd680e56e316be92c01568be98d85d7a6c9bd92c","https://git.kernel.org/stable/c/01fbca1e93ec3f39f76c31a8f9afa32ce00da48a","https://git.kernel.org/stable/c/71a56b89203ec7e5670d94a61a9b4ae617eca804","https://git.kernel.org/stable/c/3bf519e39b51cb08a93c0599870b35a23db1031e","https://git.kernel.org/stable/c/52b19b3a22306fe452ec9e8ff96063f4bfb77b99","https://git.kernel.org/stable/c/4640fa5ad5e1a0dbd1c2d22323b7d70a8107dcfd","https://git.kernel.org/stable/c/6cbba46934aefdfb5d171e0a95aec06c24f7ca30"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23256.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23256","state":"PUBLISHED","datePublished":"2026-03-18T17:41:02.964Z","dateUpdated":"2026-05-11T22:03:20.564Z","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 VF 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 VF 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\nCompile tested only. Issue found using code review."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"bd680e56e316be92c01568be98d85d7a6c9bd92c","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"01fbca1e93ec3f39f76c31a8f9afa32ce00da48a","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"71a56b89203ec7e5670d94a61a9b4ae617eca804","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"3bf519e39b51cb08a93c0599870b35a23db1031e","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"52b19b3a22306fe452ec9e8ff96063f4bfb77b99","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"4640fa5ad5e1a0dbd1c2d22323b7d70a8107dcfd","versionType":"git"},{"version":"846b46873eeb3baf40f7e6d8fe8f98aec95e7727","status":"affected","lessThan":"6cbba46934aefdfb5d171e0a95aec06c24f7ca30","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/lio_vf_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.10","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_vf_main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bd680e56e316be92c01568be98d85d7a6c9bd92c"},{"url":"https://git.kernel.org/stable/c/01fbca1e93ec3f39f76c31a8f9afa32ce00da48a"},{"url":"https://git.kernel.org/stable/c/71a56b89203ec7e5670d94a61a9b4ae617eca804"},{"url":"https://git.kernel.org/stable/c/3bf519e39b51cb08a93c0599870b35a23db1031e"},{"url":"https://git.kernel.org/stable/c/52b19b3a22306fe452ec9e8ff96063f4bfb77b99"},{"url":"https://git.kernel.org/stable/c/4640fa5ad5e1a0dbd1c2d22323b7d70a8107dcfd"},{"url":"https://git.kernel.org/stable/c/6cbba46934aefdfb5d171e0a95aec06c24f7ca30"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:03:20.564Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.10.250"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.15.200"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.1.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.6.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.12.70"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.18.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}