{"id":"CVE-2022-49807","state":"PUBLISHED","title":"nvmet: fix a memory leak in nvmet_auth_set_key","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix a memory leak in nvmet_auth_set_key\n\nWhen changing dhchap secrets we need to release the old\nsecrets as well.\n\nkmemleak complaint:\n--\nunreferenced object 0xffff8c7f44ed8180 (size 64):\n  comm \"check\", pid 7304, jiffies 4295686133 (age 72034.246s)\n  hex dump (first 32 bytes):\n    44 48 48 43 2d 31 3a 30 30 3a 4c 64 4c 4f 64 71  DHHC-1:00:LdLOdq\n    79 56 69 67 77 48 55 32 6d 5a 59 4c 7a 35 59 38  yVigwHU2mZYLz5Y8\n  backtrace:\n    [<00000000b6fc5071>] kstrdup+0x2e/0x60\n    [<00000000f0f4633f>] 0xffffffffc0e07ee6\n    [<0000000053006c05>] 0xffffffffc0dff783\n    [<00000000419ae922>] configfs_write_iter+0xb1/0x120\n    [<000000008183c424>] vfs_write+0x2be/0x3c0\n    [<000000009005a2a5>] ksys_write+0x5f/0xe0\n    [<00000000cd495c89>] do_syscall_64+0x38/0x90\n    [<00000000f2a84ac5>] entry_SYSCALL_64_after_hwframe+0x63/0xcd","publishedAt":"2025-05-01T14:09:33.492Z","updatedAt":"2026-05-11T19:07:10.204Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"db1312dd95488b5e6ff362ff66fcf953a46b1821","status":"affected","lessThan":"65710ea51d4a185592c7b14c9e33d0c4a364f074","versionType":"git"},{"version":"db1312dd95488b5e6ff362ff66fcf953a46b1821","status":"affected","lessThan":"0a52566279b4ee65ecd2503d7b7342851f84755c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/target/auth.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.0.10","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","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/auth.c"]}],"references":["https://git.kernel.org/stable/c/65710ea51d4a185592c7b14c9e33d0c4a364f074","https://git.kernel.org/stable/c/0a52566279b4ee65ecd2503d7b7342851f84755c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49807.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49807","state":"PUBLISHED","datePublished":"2025-05-01T14:09:33.492Z","dateUpdated":"2026-05-11T19:07:10.204Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-05-01T14:05:17.225Z"},"containers":{"cna":{"title":"nvmet: fix a memory leak in nvmet_auth_set_key","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix a memory leak in nvmet_auth_set_key\n\nWhen changing dhchap secrets we need to release the old\nsecrets as well.\n\nkmemleak complaint:\n--\nunreferenced object 0xffff8c7f44ed8180 (size 64):\n  comm \"check\", pid 7304, jiffies 4295686133 (age 72034.246s)\n  hex dump (first 32 bytes):\n    44 48 48 43 2d 31 3a 30 30 3a 4c 64 4c 4f 64 71  DHHC-1:00:LdLOdq\n    79 56 69 67 77 48 55 32 6d 5a 59 4c 7a 35 59 38  yVigwHU2mZYLz5Y8\n  backtrace:\n    [<00000000b6fc5071>] kstrdup+0x2e/0x60\n    [<00000000f0f4633f>] 0xffffffffc0e07ee6\n    [<0000000053006c05>] 0xffffffffc0dff783\n    [<00000000419ae922>] configfs_write_iter+0xb1/0x120\n    [<000000008183c424>] vfs_write+0x2be/0x3c0\n    [<000000009005a2a5>] ksys_write+0x5f/0xe0\n    [<00000000cd495c89>] do_syscall_64+0x38/0x90\n    [<00000000f2a84ac5>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"db1312dd95488b5e6ff362ff66fcf953a46b1821","status":"affected","lessThan":"65710ea51d4a185592c7b14c9e33d0c4a364f074","versionType":"git"},{"version":"db1312dd95488b5e6ff362ff66fcf953a46b1821","status":"affected","lessThan":"0a52566279b4ee65ecd2503d7b7342851f84755c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/target/auth.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.0.10","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","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/auth.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/65710ea51d4a185592c7b14c9e33d0c4a364f074"},{"url":"https://git.kernel.org/stable/c/0a52566279b4ee65ecd2503d7b7342851f84755c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:07:10.204Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}