{"api_version":"1","generated_at":"2026-08-15T08:45:37+00:00","cve":"CVE-2026-74369","urls":{"html":"https://cve.report/CVE-2026-74369","api":"https://cve.report/api/cve/CVE-2026-74369.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74369","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74369"},"summary":{"title":"liveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_file_finish()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nliveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_file_finish()\n\nIn luo_file_unpreserve_files() and luo_file_finish(), reorder\nmodule_put() and xa_erase() to ensure the file handler module remains\npinned while its operations are being accessed.\n\nSpecifically, luo_get_id() dereferences fh->ops->get_id, so the module\nreference must be held until after xa_erase() (which calls luo_get_id)\ncompletes.\n\nFor luo_file_finish(), this requires moving the module_put() call out of\nthe luo_file_finish_one() helper and into the main loop of\nluo_file_finish() itself.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:38","updated_at":"2026-08-15 06:22:38"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f7fca3db635022429382cf26e5b08b33558e375d","name":"https://git.kernel.org/stable/c/f7fca3db635022429382cf26e5b08b33558e375d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/291dcd37c8c8f8f8e1bccc92228f44bf371762a8","name":"https://git.kernel.org/stable/c/291dcd37c8c8f8f8e1bccc92228f44bf371762a8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74369","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74369","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 00d0b372374f2528394aabf7b1f53f8dafe294de f7fca3db635022429382cf26e5b08b33558e375d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 00d0b372374f2528394aabf7b1f53f8dafe294de 291dcd37c8c8f8f8e1bccc92228f44bf371762a8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/liveupdate/luo_file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f7fca3db635022429382cf26e5b08b33558e375d","status":"affected","version":"00d0b372374f2528394aabf7b1f53f8dafe294de","versionType":"git"},{"lessThan":"291dcd37c8c8f8f8e1bccc92228f44bf371762a8","status":"affected","version":"00d0b372374f2528394aabf7b1f53f8dafe294de","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/liveupdate/luo_file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"7.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"7.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nliveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_file_finish()\n\nIn luo_file_unpreserve_files() and luo_file_finish(), reorder\nmodule_put() and xa_erase() to ensure the file handler module remains\npinned while its operations are being accessed.\n\nSpecifically, luo_get_id() dereferences fh->ops->get_id, so the module\nreference must be held until after xa_erase() (which calls luo_get_id)\ncompletes.\n\nFor luo_file_finish(), this requires moving the module_put() call out of\nthe luo_file_finish_one() helper and into the main loop of\nluo_file_finish() itself."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:50.280Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f7fca3db635022429382cf26e5b08b33558e375d"},{"url":"https://git.kernel.org/stable/c/291dcd37c8c8f8f8e1bccc92228f44bf371762a8"}],"title":"liveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_file_finish()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74369","datePublished":"2026-08-15T05:58:50.280Z","dateReserved":"2026-08-15T05:44:03.888Z","dateUpdated":"2026-08-15T05:58:50.280Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:38","lastModifiedDate":"2026-08-15 06:22:38","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74369","Ordinal":"1","Title":"liveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_fil","CVE":"CVE-2026-74369","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74369","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nliveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_file_finish()\n\nIn luo_file_unpreserve_files() and luo_file_finish(), reorder\nmodule_put() and xa_erase() to ensure the file handler module remains\npinned while its operations are being accessed.\n\nSpecifically, luo_get_id() dereferences fh->ops->get_id, so the module\nreference must be held until after xa_erase() (which calls luo_get_id)\ncompletes.\n\nFor luo_file_finish(), this requires moving the module_put() call out of\nthe luo_file_finish_one() helper and into the main loop of\nluo_file_finish() itself.","Type":"Description","Title":"liveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_fil"}]}}}