{"id":"CVE-2026-23023","state":"PUBLISHED","title":"idpf: fix memory leak in idpf_vport_rel()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix memory leak in idpf_vport_rel()\n\nFree vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory\nduring a reset. Reported by kmemleak:\n\nunreferenced object 0xff450acac838a000 (size 4096):\n  comm \"kworker/u258:5\", pid 7732, jiffies 4296830044\n  hex dump (first 32 bytes):\n    00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00  ................\n  backtrace (crc 3da81902):\n    __kmalloc_cache_noprof+0x469/0x7a0\n    idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf]\n    idpf_init_task+0x1ec/0x8d0 [idpf]\n    process_one_work+0x226/0x6d0\n    worker_thread+0x19e/0x340\n    kthread+0x10f/0x250\n    ret_from_fork+0x251/0x2b0\n    ret_from_fork_asm+0x1a/0x30","publishedAt":"2026-01-31T11:39:06.718Z","updatedAt":"2026-05-11T21:58:30.691Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","status":"affected","lessThan":"a4212d6732e3f674c6cc7d0b642f276d827e8f94","versionType":"git"},{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","status":"affected","lessThan":"ec602a2a4071eb956d656ba968c58fee09f0622d","versionType":"git"},{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","status":"affected","lessThan":"f6242b354605faff263ca45882b148200915a3f6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/idpf/idpf_lib.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.66","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.6","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/intel/idpf/idpf_lib.c"]}],"references":["https://git.kernel.org/stable/c/a4212d6732e3f674c6cc7d0b642f276d827e8f94","https://git.kernel.org/stable/c/ec602a2a4071eb956d656ba968c58fee09f0622d","https://git.kernel.org/stable/c/f6242b354605faff263ca45882b148200915a3f6"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23023.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23023","state":"PUBLISHED","datePublished":"2026-01-31T11:39:06.718Z","dateUpdated":"2026-05-11T21:58:30.691Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.941Z"},"containers":{"cna":{"title":"idpf: fix memory leak in idpf_vport_rel()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix memory leak in idpf_vport_rel()\n\nFree vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory\nduring a reset. Reported by kmemleak:\n\nunreferenced object 0xff450acac838a000 (size 4096):\n  comm \"kworker/u258:5\", pid 7732, jiffies 4296830044\n  hex dump (first 32 bytes):\n    00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00  ................\n  backtrace (crc 3da81902):\n    __kmalloc_cache_noprof+0x469/0x7a0\n    idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf]\n    idpf_init_task+0x1ec/0x8d0 [idpf]\n    process_one_work+0x226/0x6d0\n    worker_thread+0x19e/0x340\n    kthread+0x10f/0x250\n    ret_from_fork+0x251/0x2b0\n    ret_from_fork_asm+0x1a/0x30"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","status":"affected","lessThan":"a4212d6732e3f674c6cc7d0b642f276d827e8f94","versionType":"git"},{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","status":"affected","lessThan":"ec602a2a4071eb956d656ba968c58fee09f0622d","versionType":"git"},{"version":"0fe45467a1041ea3657a7fa3a791c84c104fbd34","status":"affected","lessThan":"f6242b354605faff263ca45882b148200915a3f6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/idpf/idpf_lib.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.66","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.6","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/intel/idpf/idpf_lib.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a4212d6732e3f674c6cc7d0b642f276d827e8f94"},{"url":"https://git.kernel.org/stable/c/ec602a2a4071eb956d656ba968c58fee09f0622d"},{"url":"https://git.kernel.org/stable/c/f6242b354605faff263ca45882b148200915a3f6"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:58:30.691Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.66"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.18.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}