{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50382", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:53:06.996Z", "datePublished": "2025-09-18T13:33:04.193Z", "dateUpdated": "2025-09-18T13:33:04.193Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-18T13:33:04.193Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npadata: Always leave BHs disabled when running ->parallel()\n\nA deadlock can happen when an overloaded system runs ->parallel() in the\ncontext of the current task:\n\n padata_do_parallel\n ->parallel()\n pcrypt_aead_enc/dec\n padata_do_serial\n spin_lock(&reorder->lock) // BHs still enabled\n <interrupt>\n ...\n __do_softirq\n ...\n padata_do_serial\n spin_lock(&reorder->lock)\n\nIt's a bug for BHs to be on in _do_serial as Steffen points out, so\nensure they're off in the \"current task\" case like they are in\npadata_parallel_worker to avoid this situation."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/padata.c"], "versions": [{"version": "4611ce22468895acd61fee9ac1da810d60617d9a", "lessThan": "8e0681dd4eee029eb1d533d06993f7cb091efb73", "status": "affected", "versionType": "git"}, {"version": "4611ce22468895acd61fee9ac1da810d60617d9a", "lessThan": "17afa98bccec4f52203508b3f49b5f948c6fd6ac", "status": "affected", "versionType": "git"}, {"version": "4611ce22468895acd61fee9ac1da810d60617d9a", "lessThan": "7337adb20fcc0aebb50eaff2bc5a8dd9a7c6743d", "status": "affected", "versionType": "git"}, {"version": "4611ce22468895acd61fee9ac1da810d60617d9a", "lessThan": "6cfa9e60c0f88fdec6368e081ab968411cc706b1", "status": "affected", "versionType": "git"}, {"version": "4611ce22468895acd61fee9ac1da810d60617d9a", "lessThan": "34c3a47d20ae55b3600fed733bf96eafe9c500d5", "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/padata.c"], "versions": [{"version": "5.8", "status": "affected"}, {"version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.86", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.16", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.2", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "5.8", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.15.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8e0681dd4eee029eb1d533d06993f7cb091efb73"}, {"url": "https://git.kernel.org/stable/c/17afa98bccec4f52203508b3f49b5f948c6fd6ac"}, {"url": "https://git.kernel.org/stable/c/7337adb20fcc0aebb50eaff2bc5a8dd9a7c6743d"}, {"url": "https://git.kernel.org/stable/c/6cfa9e60c0f88fdec6368e081ab968411cc706b1"}, {"url": "https://git.kernel.org/stable/c/34c3a47d20ae55b3600fed733bf96eafe9c500d5"}], "title": "padata: Always leave BHs disabled when running ->parallel()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npadata: Always leave BHs disabled when running ->parallel()\n\nA deadlock can happen when an overloaded system runs ->parallel() in the\ncontext of the current task:\n\n padata_do_parallel\n ->parallel()\n pcrypt_aead_enc/dec\n padata_do_serial\n spin_lock(&reorder->lock) // BHs still enabled\n <interrupt>\n ...\n __do_softirq\n ...\n padata_do_serial\n spin_lock(&reorder->lock)\n\nIt's a bug for BHs to be on in _do_serial as Steffen points out, so\nensure they're off in the \"current task\" case like they are in\npadata_parallel_worker to avoid this situation."}], "id": "CVE-2022-50382", "lastModified": "2025-09-19T16:00:46.437", "metrics": {}, "published": "2025-09-18T14:15:36.993", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/17afa98bccec4f52203508b3f49b5f948c6fd6ac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/34c3a47d20ae55b3600fed733bf96eafe9c500d5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6cfa9e60c0f88fdec6368e081ab968411cc706b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7337adb20fcc0aebb50eaff2bc5a8dd9a7c6743d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8e0681dd4eee029eb1d533d06993f7cb091efb73"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: padata: Always leave BHs disabled when running ->parallel()", "id": "2396386", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396386"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50382", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50382\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50382\nhttps://lore.kernel.org/linux-cve-announce/2025091851-CVE-2022-50382-0ff0@gregkh/T"], "threat_severity": "Moderate"}