{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74370", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.888Z", "datePublished": "2026-08-15T05:58:50.933Z", "dateUpdated": "2026-08-15T05:58:50.933Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:58:50.933Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nliveupdate: fix TOCTOU race in luo_session_retrieve()\n\nExtend the scope of the rwsem_read lock in luo_session_retrieve() to\noverlap with the acquisition of the session mutex. This prevents a\nconcurrent thread from releasing and freeing the session between the\nlookup and the mutex lock."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/liveupdate/luo_session.c"], "versions": [{"version": "0153094d03df5a2e834a19c59b255649a258ae46", "lessThan": "d944170607b872a1f93713c555ad3f0efde3a9b8", "status": "affected", "versionType": "git"}, {"version": "0153094d03df5a2e834a19c59b255649a258ae46", "lessThan": "d3ae9e7fddb4036f50003d7fa1ef52801fdb961b", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/liveupdate/luo_session.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d944170607b872a1f93713c555ad3f0efde3a9b8"}, {"url": "https://git.kernel.org/stable/c/d3ae9e7fddb4036f50003d7fa1ef52801fdb961b"}], "title": "liveupdate: fix TOCTOU race in luo_session_retrieve()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/liveupdate/luo_session.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d944170607b872a1f93713c555ad3f0efde3a9b8", "status": "affected", "version": "0153094d03df5a2e834a19c59b255649a258ae46", "versionType": "git"}, {"lessThan": "d3ae9e7fddb4036f50003d7fa1ef52801fdb961b", "status": "affected", "version": "0153094d03df5a2e834a19c59b255649a258ae46", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/liveupdate/luo_session.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"lessThan": "6.19", "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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nliveupdate: fix TOCTOU race in luo_session_retrieve()\n\nExtend the scope of the rwsem_read lock in luo_session_retrieve() to\noverlap with the acquisition of the session mutex. This prevents a\nconcurrent thread from releasing and freeing the session between the\nlookup and the mutex lock."}], "id": "CVE-2026-74370", "lastModified": "2026-08-15T06:22:38.750", "metrics": {}, "published": "2026-08-15T06:22:38.750", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d3ae9e7fddb4036f50003d7fa1ef52801fdb961b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d944170607b872a1f93713c555ad3f0efde3a9b8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}