{"id":"CVE-2022-50840","state":"PUBLISHED","title":"scsi: snic: Fix possible UAF in snic_tgt_create()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: snic: Fix possible UAF in snic_tgt_create()\n\nSmatch reports a warning as follows:\n\ndrivers/scsi/snic/snic_disc.c:307 snic_tgt_create() warn:\n  '&tgt->list' not removed from list\n\nIf device_add() fails in snic_tgt_create(), tgt will be freed, but\ntgt->list will not be removed from snic->disc.tgt_list, then list traversal\nmay cause UAF.\n\nRemove from snic->disc.tgt_list before free().","publishedAt":"2025-12-30T12:10:59.066Z","updatedAt":"2026-05-11T19:26:07.823Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ff","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"3772319e40527e6a5f2ec1d729e01f271d818f5c","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"3007f96ca20c848d0b1b052df6d2cb5ae5586e78","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"6866154c23fba40888ad6d554cccd4bf2edb755e","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"ad27f74e901fc48729733c88818e6b96c813057d","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"1895e908b3ae66a5312fd1b2cdda2da82993dca7","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27cc","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"4141cd9e8b3379aea52a85d2c35f6eaf26d14e86","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"e118df492320176af94deec000ae034cc92be754","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/snic/snic_disc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/snic/snic_disc.c"]}],"references":["https://git.kernel.org/stable/c/f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ff","https://git.kernel.org/stable/c/3772319e40527e6a5f2ec1d729e01f271d818f5c","https://git.kernel.org/stable/c/3007f96ca20c848d0b1b052df6d2cb5ae5586e78","https://git.kernel.org/stable/c/6866154c23fba40888ad6d554cccd4bf2edb755e","https://git.kernel.org/stable/c/ad27f74e901fc48729733c88818e6b96c813057d","https://git.kernel.org/stable/c/1895e908b3ae66a5312fd1b2cdda2da82993dca7","https://git.kernel.org/stable/c/c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27cc","https://git.kernel.org/stable/c/4141cd9e8b3379aea52a85d2c35f6eaf26d14e86","https://git.kernel.org/stable/c/e118df492320176af94deec000ae034cc92be754"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50840.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50840","state":"PUBLISHED","datePublished":"2025-12-30T12:10:59.066Z","dateUpdated":"2026-05-11T19:26:07.823Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:07.133Z"},"containers":{"cna":{"title":"scsi: snic: Fix possible UAF in snic_tgt_create()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: snic: Fix possible UAF in snic_tgt_create()\n\nSmatch reports a warning as follows:\n\ndrivers/scsi/snic/snic_disc.c:307 snic_tgt_create() warn:\n  '&tgt->list' not removed from list\n\nIf device_add() fails in snic_tgt_create(), tgt will be freed, but\ntgt->list will not be removed from snic->disc.tgt_list, then list traversal\nmay cause UAF.\n\nRemove from snic->disc.tgt_list before free()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ff","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"3772319e40527e6a5f2ec1d729e01f271d818f5c","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"3007f96ca20c848d0b1b052df6d2cb5ae5586e78","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"6866154c23fba40888ad6d554cccd4bf2edb755e","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"ad27f74e901fc48729733c88818e6b96c813057d","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"1895e908b3ae66a5312fd1b2cdda2da82993dca7","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27cc","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"4141cd9e8b3379aea52a85d2c35f6eaf26d14e86","versionType":"git"},{"version":"c8806b6c9e824f47726f2a9b7fbbe7ebf19306fa","status":"affected","lessThan":"e118df492320176af94deec000ae034cc92be754","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/snic/snic_disc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/snic/snic_disc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f9d8b8ba0f1a16cde0b1fc9e80466df76b6db8ff"},{"url":"https://git.kernel.org/stable/c/3772319e40527e6a5f2ec1d729e01f271d818f5c"},{"url":"https://git.kernel.org/stable/c/3007f96ca20c848d0b1b052df6d2cb5ae5586e78"},{"url":"https://git.kernel.org/stable/c/6866154c23fba40888ad6d554cccd4bf2edb755e"},{"url":"https://git.kernel.org/stable/c/ad27f74e901fc48729733c88818e6b96c813057d"},{"url":"https://git.kernel.org/stable/c/1895e908b3ae66a5312fd1b2cdda2da82993dca7"},{"url":"https://git.kernel.org/stable/c/c7f0f8dab1ae5def57c1a8a9cafd6fabe1dc27cc"},{"url":"https://git.kernel.org/stable/c/4141cd9e8b3379aea52a85d2c35f6eaf26d14e86"},{"url":"https://git.kernel.org/stable/c/e118df492320176af94deec000ae034cc92be754"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:26:07.823Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}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