{"id":"CVE-2026-23112","summary":"nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec","details":"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-\u003ereq.sg when a PDU\nlength or offset exceeds sg_cnt and then use bogus sg-\u003elength/offset\nvalues, leading to _copy_to_iter() GPF/KASAN. Guard sg_idx, remaining\nentries, and sg-\u003elength/offset before building the bvec.","modified":"2026-04-28T18:44:27.100372237Z","published":"2026-02-13T13:29:56.724Z","related":["SUSE-SU-2026:0962-1","SUSE-SU-2026:1078-1","SUSE-SU-2026:1081-1","SUSE-SU-2026:20667-1","SUSE-SU-2026:20720-1","SUSE-SU-2026:20838-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1","SUSE-SU-2026:20931-1","SUSE-SU-2026:21284-1","openSUSE-SU-2026:20416-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23112.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/043b4307a99f902697349128fde93b2ddde4686c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1385be357e8acd09b36e026567f3a9d5c61139de"},{"type":"WEB","url":"https://git.kernel.org/stable/c/19672ae68d52ff75347ebe2420dde1b07adca09f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/42afe8ed8ad2de9c19457156244ef3e1eca94b5d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/52a0a98549344ca20ad81a4176d68d28e3c05a5c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ab200d71553bdcf4de554a5985b05b2dd606bc57"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dca1a6ba0da9f472ef040525fab10fd9956db59f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23112.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23112"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"872d26a391da92ed8f0c0f5cb5fef428067b7f30"},{"fixed":"043b4307a99f902697349128fde93b2ddde4686c"},{"fixed":"42afe8ed8ad2de9c19457156244ef3e1eca94b5d"},{"fixed":"1385be357e8acd09b36e026567f3a9d5c61139de"},{"fixed":"dca1a6ba0da9f472ef040525fab10fd9956db59f"},{"fixed":"19672ae68d52ff75347ebe2420dde1b07adca09f"},{"fixed":"ab200d71553bdcf4de554a5985b05b2dd606bc57"},{"fixed":"52a0a98549344ca20ad81a4176d68d28e3c05a5c"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-23112.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}