{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50482", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-04T15:13:33.468Z", "datePublished": "2025-10-04T15:16:41.033Z", "dateUpdated": "2025-10-04T15:16:41.033Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-04T15:16:41.033Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Clean up si_domain in the init_dmars() error path\n\nA splat from kmem_cache_destroy() was seen with a kernel prior to\ncommit ee2653bbe89d (\"iommu/vt-d: Remove domain and devinfo mempool\")\nwhen there was a failure in init_dmars(), because the iommu_domain\ncache still had objects. While the mempool code is now gone, there\nstill is a leak of the si_domain memory if init_dmars() fails. So\nclean up si_domain in the init_dmars() error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iommu/intel/iommu.c"], "versions": [{"version": "86080ccc223aabf8d0b85a504f4f06aa88e82fb3", "lessThan": "749bea542b67513e99240dc58bbfc099e842d508", "status": "affected", "versionType": "git"}, {"version": "86080ccc223aabf8d0b85a504f4f06aa88e82fb3", "lessThan": "5cecfe151874b835331efe086bbdcaeaf64f6b90", "status": "affected", "versionType": "git"}, {"version": "86080ccc223aabf8d0b85a504f4f06aa88e82fb3", "lessThan": "724483b585a1b1e063d42ac5aa835707ff2ec165", "status": "affected", "versionType": "git"}, {"version": "86080ccc223aabf8d0b85a504f4f06aa88e82fb3", "lessThan": "d74196bb278b8f8af88e16bd595997dfa3d6fdb0", "status": "affected", "versionType": "git"}, {"version": "86080ccc223aabf8d0b85a504f4f06aa88e82fb3", "lessThan": "0365d6af75f9f2696e94a0fef24a2c8464c037c8", "status": "affected", "versionType": "git"}, {"version": "86080ccc223aabf8d0b85a504f4f06aa88e82fb3", "lessThan": "c4ad3ae4c6be9d8b0701761c839771116bca6ea3", "status": "affected", "versionType": "git"}, {"version": "86080ccc223aabf8d0b85a504f4f06aa88e82fb3", "lessThan": "620bf9f981365c18cc2766c53d92bf8131c63f32", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iommu/intel/iommu.c"], "versions": [{"version": "4.2", "status": "affected"}, {"version": "0", "lessThan": "4.2", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.298", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.264", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.221", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.152", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.76", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.6", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "4.2", "versionEndExcluding": "4.14.298"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "4.19.264"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "5.4.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "5.10.152"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "5.15.76"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.0.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/749bea542b67513e99240dc58bbfc099e842d508"}, {"url": "https://git.kernel.org/stable/c/5cecfe151874b835331efe086bbdcaeaf64f6b90"}, {"url": "https://git.kernel.org/stable/c/724483b585a1b1e063d42ac5aa835707ff2ec165"}, {"url": "https://git.kernel.org/stable/c/d74196bb278b8f8af88e16bd595997dfa3d6fdb0"}, {"url": "https://git.kernel.org/stable/c/0365d6af75f9f2696e94a0fef24a2c8464c037c8"}, {"url": "https://git.kernel.org/stable/c/c4ad3ae4c6be9d8b0701761c839771116bca6ea3"}, {"url": "https://git.kernel.org/stable/c/620bf9f981365c18cc2766c53d92bf8131c63f32"}], "title": "iommu/vt-d: Clean up si_domain in the init_dmars() error path", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Clean up si_domain in the init_dmars() error path\n\nA splat from kmem_cache_destroy() was seen with a kernel prior to\ncommit ee2653bbe89d (\"iommu/vt-d: Remove domain and devinfo mempool\")\nwhen there was a failure in init_dmars(), because the iommu_domain\ncache still had objects. While the mempool code is now gone, there\nstill is a leak of the si_domain memory if init_dmars() fails. So\nclean up si_domain in the init_dmars() error path."}], "id": "CVE-2022-50482", "lastModified": "2025-10-06T14:56:47.823", "metrics": {}, "published": "2025-10-04T16:15:44.967", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0365d6af75f9f2696e94a0fef24a2c8464c037c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5cecfe151874b835331efe086bbdcaeaf64f6b90"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/620bf9f981365c18cc2766c53d92bf8131c63f32"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/724483b585a1b1e063d42ac5aa835707ff2ec165"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/749bea542b67513e99240dc58bbfc099e842d508"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c4ad3ae4c6be9d8b0701761c839771116bca6ea3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d74196bb278b8f8af88e16bd595997dfa3d6fdb0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: iommu/vt-d: Clean up si_domain in the init_dmars() error path", "id": "2401576", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401576"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\niommu/vt-d: Clean up si_domain in the init_dmars() error path\nA splat from kmem_cache_destroy() was seen with a kernel prior to\ncommit ee2653bbe89d (\"iommu/vt-d: Remove domain and devinfo mempool\")\nwhen there was a failure in init_dmars(), because the iommu_domain\ncache still had objects. While the mempool code is now gone, there\nstill is a leak of the si_domain memory if init_dmars() fails. So\nclean up si_domain in the init_dmars() error path."], "name": "CVE-2022-50482", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50482\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50482\nhttps://lore.kernel.org/linux-cve-announce/2025100440-CVE-2022-50482-0291@gregkh/T"], "threat_severity": "Low"}