{"id":"CVE-2026-72128","state":"PUBLISHED","title":"nvmet: fix refcount leak in nvmet_sq_create()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix refcount leak in nvmet_sq_create()\n\nIn nvmet_sq_create(), a reference on the ctrl is taken\nvia kref_get_unless_zero() before calling nvmet_check_sqid().\nIf nvmet_check_sqid() fails, the function returns the error\ndirectly without releasing the reference, leading to a leak.\n\nFix this by jumping to the \"ctrl_put\" label, which already\nperforms the necessary nvmet_ctrl_put(ctrl). This ensures the\nreference is properly released on this error path.","publishedAt":"2026-08-15T05:53:05.141Z","updatedAt":"2026-08-17T05:08:44.496Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1eb380caf5275bba1d3d6182dde1fd740f331743","status":"affected","lessThan":"26355295ce21cb046546085c3a81abe68160a784","versionType":"git"},{"version":"1eb380caf5275bba1d3d6182dde1fd740f331743","status":"affected","lessThan":"fcef60ed5f714a24104eb021d6397a67955ebeff","versionType":"git"},{"version":"1eb380caf5275bba1d3d6182dde1fd740f331743","status":"affected","lessThan":"34b9a83c50660148bde01cde16451dbe78369749","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/target/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/target/core.c"]}],"references":["https://git.kernel.org/stable/c/26355295ce21cb046546085c3a81abe68160a784","https://git.kernel.org/stable/c/fcef60ed5f714a24104eb021d6397a67955ebeff","https://git.kernel.org/stable/c/34b9a83c50660148bde01cde16451dbe78369749"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72128.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72128","state":"PUBLISHED","datePublished":"2026-08-15T05:53:05.141Z","dateUpdated":"2026-08-17T05:08:44.496Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.907Z"},"containers":{"cna":{"title":"nvmet: fix refcount leak in nvmet_sq_create()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix refcount leak in nvmet_sq_create()\n\nIn nvmet_sq_create(), a reference on the ctrl is taken\nvia kref_get_unless_zero() before calling nvmet_check_sqid().\nIf nvmet_check_sqid() fails, the function returns the error\ndirectly without releasing the reference, leading to a leak.\n\nFix this by jumping to the \"ctrl_put\" label, which already\nperforms the necessary nvmet_ctrl_put(ctrl). This ensures the\nreference is properly released on this error path."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1eb380caf5275bba1d3d6182dde1fd740f331743","status":"affected","lessThan":"26355295ce21cb046546085c3a81abe68160a784","versionType":"git"},{"version":"1eb380caf5275bba1d3d6182dde1fd740f331743","status":"affected","lessThan":"fcef60ed5f714a24104eb021d6397a67955ebeff","versionType":"git"},{"version":"1eb380caf5275bba1d3d6182dde1fd740f331743","status":"affected","lessThan":"34b9a83c50660148bde01cde16451dbe78369749","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/target/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/target/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/26355295ce21cb046546085c3a81abe68160a784"},{"url":"https://git.kernel.org/stable/c/fcef60ed5f714a24104eb021d6397a67955ebeff"},{"url":"https://git.kernel.org/stable/c/34b9a83c50660148bde01cde16451dbe78369749"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:08:44.496Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}