{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53684", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-07T15:16:59.665Z", "datePublished": "2025-10-07T15:21:37.413Z", "dateUpdated": "2026-01-05T10:32:25.273Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-05T10:32:25.273Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: Zero padding when dumping algos and encap\n\nWhen copying data to user-space we should ensure that only valid\ndata is copied over. Padding in structures may be filled with\nrandom (possibly sensitve) data and should never be given directly\nto user-space.\n\nThis patch fixes the copying of xfrm algorithms and the encap\ntemplate in xfrm_user so that padding is zeroed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/xfrm/xfrm_user.c"], "versions": [{"version": "c7a5899eb26e2a4d516d53f65b6dd67be2228041", "lessThan": "0725daaa9a879388ed312110f62dbd5ea2d75f8f", "status": "affected", "versionType": "git"}, {"version": "c7a5899eb26e2a4d516d53f65b6dd67be2228041", "lessThan": "5218af4ad5d8948faac19f71583bcd786c3852df", "status": "affected", "versionType": "git"}, {"version": "c7a5899eb26e2a4d516d53f65b6dd67be2228041", "lessThan": "1a351e26cc010d6991fbbd5701ac16581372e26f", "status": "affected", "versionType": "git"}, {"version": "c7a5899eb26e2a4d516d53f65b6dd67be2228041", "lessThan": "8222d5910dae08213b6d9d4bc9a7f8502855e624", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/xfrm/xfrm_user.c"], "versions": [{"version": "5.11", "status": "affected"}, {"version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.106", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.23", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.10", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "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": "5.11", "versionEndExcluding": "5.15.106"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.1.23"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0725daaa9a879388ed312110f62dbd5ea2d75f8f"}, {"url": "https://git.kernel.org/stable/c/5218af4ad5d8948faac19f71583bcd786c3852df"}, {"url": "https://git.kernel.org/stable/c/1a351e26cc010d6991fbbd5701ac16581372e26f"}, {"url": "https://git.kernel.org/stable/c/8222d5910dae08213b6d9d4bc9a7f8502855e624"}], "title": "xfrm: Zero padding when dumping algos and encap", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: Zero padding when dumping algos and encap\n\nWhen copying data to user-space we should ensure that only valid\ndata is copied over. Padding in structures may be filled with\nrandom (possibly sensitve) data and should never be given directly\nto user-space.\n\nThis patch fixes the copying of xfrm algorithms and the encap\ntemplate in xfrm_user so that padding is zeroed."}], "id": "CVE-2023-53684", "lastModified": "2025-10-08T19:38:09.863", "metrics": {}, "published": "2025-10-07T16:15:52.653", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0725daaa9a879388ed312110f62dbd5ea2d75f8f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a351e26cc010d6991fbbd5701ac16581372e26f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5218af4ad5d8948faac19f71583bcd786c3852df"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8222d5910dae08213b6d9d4bc9a7f8502855e624"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: xfrm: Zero padding when dumping algos and encap", "id": "2402272", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402272"}, "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-2023-53684", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "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"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53684\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53684\nhttps://lore.kernel.org/linux-cve-announce/2025100709-CVE-2023-53684-db58@gregkh/T"], "threat_severity": "Important"}

{"created": "2025-10-08T13:35:19.165656+00:00", "updated": "2025-10-08T13:35:19.165683+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}