{"id":"CVE-2026-23112","revision":"7dea4451ff2e4e6dac01764d9b2372a6","records":[{"revision":"7dea4451ff2e4e6dac01764d9b2372a6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-23112","aliases":[],"title":"nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec\n\nnvmet_tcp_build_pdu_iovec() could walk past cmd->req.sg when a PDU\nlength or offset exceeds sg_cnt and then use bogus sg->length/offset\nvalues, leading to _copy_to_iter() GPF/KASAN. Guard sg_idx, remaining\nentries, and sg->length/offset before building the bvec.","state":0,"publishedAt":"2026-02-13T13:29:56.724+00:00","modifiedAt":"2026-10-19T18:25:31.675+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nvme/target/tcp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"872d26a391da92ed8f0c0f5cb5fef428067b7f30\",\n                            \"lessThan\": \"0b9981751be14b59b4473383c731c833738aebdb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"872d26a391da92ed8f0c0f5cb5fef428067b7f30\",\n                            \"lessThan\": \"42afe8ed8ad2de9c19457156244ef3e1eca94b5d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"872d26a391da92ed8f0c0f5cb5fef428067b7f30\",\n                            \"lessThan\": \"1385be357e8acd09b36e026567f3a9d5c61139de\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"872d26a391da92ed8f0c0f5cb5fef428067b7f30\",\n                            \"lessThan\": \"dca1a6ba0da9f472ef040525fab10fd9956db59f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"872d26a391da92ed8f0c0f5cb5fef428067b7f30\",\n                            \"lessThan\": \"19672ae68d52ff75347ebe2420dde1b07adca09f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"872d26a391da92ed8f0c0f5cb5fef428067b7f30\",\n                            \"lessThan\": \"ab200d71553bdcf4de554a5985b05b2dd606bc57\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"872d26a391da92ed8f0c0f5cb5fef428067b7f30\",\n                            \"lessThan\": \"52a0a98549344ca20ad81a4176d68d28e3c05a5c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nvme/target/tcp.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.253\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.200\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.163\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.124\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.70\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.10\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/0b9981751be14b59b4473383c731c833738aebdb","https://git.kernel.org/stable/c/42afe8ed8ad2de9c19457156244ef3e1eca94b5d","https://git.kernel.org/stable/c/1385be357e8acd09b36e026567f3a9d5c61139de","https://git.kernel.org/stable/c/dca1a6ba0da9f472ef040525fab10fd9956db59f","https://git.kernel.org/stable/c/19672ae68d52ff75347ebe2420dde1b07adca09f","https://git.kernel.org/stable/c/ab200d71553bdcf4de554a5985b05b2dd606bc57","https://git.kernel.org/stable/c/52a0a98549344ca20ad81a4176d68d28e3c05a5c"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23112","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-23112","identifiers":["CVE-2026-23112"]},"retained":false,"historicalAffected":[]}],"coverage":[]}