{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23258","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.990Z","datePublished":"2026-03-18T17:41:05.080Z","dateUpdated":"2026-05-11T22:03:22.860Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:03:22.860Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: Initialize netdev pointer before queue setup\n\nIn setup_nic_devices(), the netdev is allocated using alloc_etherdev_mq().\nHowever, the pointer to this structure is stored in oct->props[i].netdev\nonly after the calls to netif_set_real_num_rx_queues() and\nnetif_set_real_num_tx_queues().\n\nIf either of these functions fails, setup_nic_devices() returns an error\nwithout freeing the allocated netdev. Since oct->props[i].netdev is still\nNULL at this point, the cleanup function liquidio_destroy_nic_device()\nwill fail to find and free the netdev, resulting in a memory leak.\n\nFix this by initializing oct->props[i].netdev before calling the queue\nsetup functions. This ensures that the netdev is properly accessible for\ncleanup in case of errors.\n\nCompile tested only. Issue found using a prototype static analysis tool\nand code review."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/lio_main.c"],"versions":[{"version":"c33c997346c34ea7b89aec99524ad9632a2f1e0c","lessThan":"be109646cdaecab262f6276303b1763468c94378","status":"affected","versionType":"git"},{"version":"c33c997346c34ea7b89aec99524ad9632a2f1e0c","lessThan":"c81a8515fb8c8fb5d0dbc21f48337494bf1d60df","status":"affected","versionType":"git"},{"version":"c33c997346c34ea7b89aec99524ad9632a2f1e0c","lessThan":"a0e57c0b68c9e6f9a8fd7c1167861a5a730eb2f4","status":"affected","versionType":"git"},{"version":"c33c997346c34ea7b89aec99524ad9632a2f1e0c","lessThan":"c0ed6c77ec34050971fd0df2a94dfdea66d09331","status":"affected","versionType":"git"},{"version":"c33c997346c34ea7b89aec99524ad9632a2f1e0c","lessThan":"1d4590fde856cb94bd9a46e795c29d8288c238fc","status":"affected","versionType":"git"},{"version":"c33c997346c34ea7b89aec99524ad9632a2f1e0c","lessThan":"d028147ae06407cb355245db1774793600670169","status":"affected","versionType":"git"},{"version":"c33c997346c34ea7b89aec99524ad9632a2f1e0c","lessThan":"926ede0c85e1e57c97d64d9612455267d597bb2c","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/lio_main.c"],"versions":[{"version":"4.18","status":"affected"},{"version":"0","lessThan":"4.18","status":"unaffected","versionType":"semver"},{"version":"5.10.250","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.200","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.163","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.124","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.70","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.10","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.10.250"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"5.15.200"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.1.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.6.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.12.70"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.18.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.18","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/be109646cdaecab262f6276303b1763468c94378"},{"url":"https://git.kernel.org/stable/c/c81a8515fb8c8fb5d0dbc21f48337494bf1d60df"},{"url":"https://git.kernel.org/stable/c/a0e57c0b68c9e6f9a8fd7c1167861a5a730eb2f4"},{"url":"https://git.kernel.org/stable/c/c0ed6c77ec34050971fd0df2a94dfdea66d09331"},{"url":"https://git.kernel.org/stable/c/1d4590fde856cb94bd9a46e795c29d8288c238fc"},{"url":"https://git.kernel.org/stable/c/d028147ae06407cb355245db1774793600670169"},{"url":"https://git.kernel.org/stable/c/926ede0c85e1e57c97d64d9612455267d597bb2c"}],"title":"net: liquidio: Initialize netdev pointer before queue setup","x_generator":{"engine":"bippy-1.2.0"}}}}