{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72305", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.918Z", "datePublished": "2026-08-15T05:55:22.914Z", "dateUpdated": "2026-08-17T05:12:09.568Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:12:09.568Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nVDUSE: avoid leaking information to userspace\n\nThe bounceing is not necessarily page aligned, so current VDUSE can\nleak kernel information through mapping bounce pages to\nuserspace. Allocate bounce pages with __GFP_ZERO to avoid leaking\ninformation to userspace."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/vdpa/vdpa_user/iova_domain.c", "drivers/vdpa/vdpa_user/vduse_dev.c"], "versions": [{"version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "lessThan": "fde25641cbddd0c084e3320d08f755e7e6acfae5", "status": "affected", "versionType": "git"}, {"version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "lessThan": "5e88c1bc3a41d9a260dd42bae8ad18fd4f35bbe1", "status": "affected", "versionType": "git"}, {"version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "lessThan": "690fb82c4122f8c2656fa4f842275132771b68b9", "status": "affected", "versionType": "git"}, {"version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "lessThan": "00335df9da2011e095f846d645cc2e9fd2907659", "status": "affected", "versionType": "git"}, {"version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "lessThan": "9c1523803445ee0348f62b77793266dd981596e0", "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/vdpa/vdpa_user/iova_domain.c", "drivers/vdpa/vdpa_user/vduse_dev.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.15", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fde25641cbddd0c084e3320d08f755e7e6acfae5"}, {"url": "https://git.kernel.org/stable/c/5e88c1bc3a41d9a260dd42bae8ad18fd4f35bbe1"}, {"url": "https://git.kernel.org/stable/c/690fb82c4122f8c2656fa4f842275132771b68b9"}, {"url": "https://git.kernel.org/stable/c/00335df9da2011e095f846d645cc2e9fd2907659"}, {"url": "https://git.kernel.org/stable/c/9c1523803445ee0348f62b77793266dd981596e0"}], "title": "VDUSE: avoid leaking information to userspace", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/vdpa/vdpa_user/iova_domain.c", "drivers/vdpa/vdpa_user/vduse_dev.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fde25641cbddd0c084e3320d08f755e7e6acfae5", "status": "affected", "version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "versionType": "git"}, {"lessThan": "5e88c1bc3a41d9a260dd42bae8ad18fd4f35bbe1", "status": "affected", "version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "versionType": "git"}, {"lessThan": "690fb82c4122f8c2656fa4f842275132771b68b9", "status": "affected", "version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "versionType": "git"}, {"lessThan": "00335df9da2011e095f846d645cc2e9fd2907659", "status": "affected", "version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "versionType": "git"}, {"lessThan": "9c1523803445ee0348f62b77793266dd981596e0", "status": "affected", "version": "8c773d53fb7b64267b0f55c1d3517cb8c5e29b3c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/vdpa/vdpa_user/iova_domain.c", "drivers/vdpa/vdpa_user/vduse_dev.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.15"}, {"lessThan": "5.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\nVDUSE: avoid leaking information to userspace\n\nThe bounceing is not necessarily page aligned, so current VDUSE can\nleak kernel information through mapping bounce pages to\nuserspace. Allocate bounce pages with __GFP_ZERO to avoid leaking\ninformation to userspace."}], "id": "CVE-2026-72305", "lastModified": "2026-08-17T06:18:33.583", "metrics": {}, "published": "2026-08-15T06:22:03.217", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/00335df9da2011e095f846d645cc2e9fd2907659"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5e88c1bc3a41d9a260dd42bae8ad18fd4f35bbe1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/690fb82c4122f8c2656fa4f842275132771b68b9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c1523803445ee0348f62b77793266dd981596e0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fde25641cbddd0c084e3320d08f755e7e6acfae5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: VDUSE: avoid leaking information to userspace", "id": "2516236", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516236"}, "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"}, "cwe": "CWE-908", "details": ["A flaw was found in VDUSE in the Linux kernel. This vulnerability allows a local user to disclose sensitive kernel information. By mapping non-page-aligned bounce pages to userspace, an attacker can access kernel memory that should not be exposed, leading to an information disclosure."], "name": "CVE-2026-72305", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "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"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72305\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72305\nhttps://lore.kernel.org/linux-cve-announce/2026081503-CVE-2026-72305-9dfa@gregkh/T"], "threat_severity": "Moderate"}

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