{"id":"CVE-2021-47074","state":"PUBLISHED","title":"nvme-loop: fix memory leak in nvme_loop_create_ctrl()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-loop: fix memory leak in nvme_loop_create_ctrl()\n\nWhen creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl()\nfails, the loop ctrl should be freed before jumping to the \"out\" label.","publishedAt":"2024-03-01T21:15:12.095Z","updatedAt":"2026-05-11T13:47:34.634Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a85a5de29ea779634ddfd768059e06196687aba","status":"affected","lessThan":"9c980795ccd77e8abec33dd6fe28dfe1c4083e65","versionType":"git"},{"version":"3a85a5de29ea779634ddfd768059e06196687aba","status":"affected","lessThan":"551ba08d4b7eb26f75758cdb9f15105b276517ad","versionType":"git"},{"version":"3a85a5de29ea779634ddfd768059e06196687aba","status":"affected","lessThan":"03504e3b54cc8118cc26c064e60a0b00c2308708","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/target/loop.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.10.40","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.12.7","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","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/loop.c"]}],"references":["https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65","https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad","https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47074.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47074","state":"PUBLISHED","datePublished":"2024-03-01T21:15:12.095Z","dateUpdated":"2026-05-11T13:47:34.634Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-29T22:33:44.297Z"},"containers":{"cna":{"title":"nvme-loop: 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