{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53148", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.387Z", "datePublished": "2026-06-25T08:38:34.208Z", "dateUpdated": "2026-06-25T08:38:34.208Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-25T08:38:34.208Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Clamp XDomain response data copy to allocation size\n\ntb_xdp_properties_request() derives the per-packet copy length from\nthe response header without checking that it fits in the previously\nallocated data buffer. A malicious peer can set its length field\nlarger than the declared data_length, causing memcpy to write past\nthe kcalloc allocation.\n\nClamp the per-packet copy length so that the cumulative offset\nnever exceeds data_len."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/thunderbolt/xdomain.c"], "versions": [{"version": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179", "lessThan": "0b334279a82d79fb4723bd4f614305de1ab69caa", "status": "affected", "versionType": "git"}, {"version": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179", "lessThan": "6021d39ccd979713b39b980286020d8f9a45efd1", "status": "affected", "versionType": "git"}, {"version": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179", "lessThan": "89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d", "status": "affected", "versionType": "git"}, {"version": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179", "lessThan": "5db10c8ad8c09f72c847dfeef3d876098257f505", "status": "affected", "versionType": "git"}, {"version": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179", "lessThan": "05a43157676c243c248d1c6d9dcecbe6eba2f35d", "status": "affected", "versionType": "git"}, {"version": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179", "lessThan": "fcbd0cdab92838854a5818be7ed8a097164ef6d5", "status": "affected", "versionType": "git"}, {"version": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179", "lessThan": "906035d5c3784570191d259cbf9a0ac1617852b5", "status": "affected", "versionType": "git"}, {"version": "cdae7c07e3e3509eaabc18c1640a55dc5b99c179", "lessThan": "322e93448d908434ae5545660fcbe8f5a7a8e141", "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/thunderbolt/xdomain.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.259", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.94", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "4.15", "versionEndExcluding": "5.10.259"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.12.94"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.18.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0b334279a82d79fb4723bd4f614305de1ab69caa"}, {"url": "https://git.kernel.org/stable/c/6021d39ccd979713b39b980286020d8f9a45efd1"}, {"url": "https://git.kernel.org/stable/c/89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d"}, {"url": "https://git.kernel.org/stable/c/5db10c8ad8c09f72c847dfeef3d876098257f505"}, {"url": "https://git.kernel.org/stable/c/05a43157676c243c248d1c6d9dcecbe6eba2f35d"}, {"url": "https://git.kernel.org/stable/c/fcbd0cdab92838854a5818be7ed8a097164ef6d5"}, {"url": "https://git.kernel.org/stable/c/906035d5c3784570191d259cbf9a0ac1617852b5"}, {"url": "https://git.kernel.org/stable/c/322e93448d908434ae5545660fcbe8f5a7a8e141"}], "title": "thunderbolt: Clamp XDomain response data copy to allocation size", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: thunderbolt: Clamp XDomain response data copy to allocation size", "id": "2492756", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492756"}, "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"}, "cwe": "CWE-787", "details": ["A flaw was found in the Linux kernel's Thunderbolt driver. A malicious peer can exploit this vulnerability by sending a specially crafted response that causes the system to write data beyond an allocated memory buffer. This out-of-bounds write can lead to memory corruption, which may allow an attacker to cause a denial of service or potentially execute arbitrary code."], "name": "CVE-2026-53148", "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": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53148\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53148\nhttps://lore.kernel.org/linux-cve-announce/2026062546-CVE-2026-53148-84b7@gregkh/T"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cdae7c07e3e3509eaabc18c1640a55dc5b99c179,0b334279a82d79fb4723bd4f614305de1ab69caa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cdae7c07e3e3509eaabc18c1640a55dc5b99c179,6021d39ccd979713b39b980286020d8f9a45efd1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cdae7c07e3e3509eaabc18c1640a55dc5b99c179,89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cdae7c07e3e3509eaabc18c1640a55dc5b99c179,5db10c8ad8c09f72c847dfeef3d876098257f505)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cdae7c07e3e3509eaabc18c1640a55dc5b99c179,05a43157676c243c248d1c6d9dcecbe6eba2f35d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cdae7c07e3e3509eaabc18c1640a55dc5b99c179,fcbd0cdab92838854a5818be7ed8a097164ef6d5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cdae7c07e3e3509eaabc18c1640a55dc5b99c179,906035d5c3784570191d259cbf9a0ac1617852b5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cdae7c07e3e3509eaabc18c1640a55dc5b99c179,322e93448d908434ae5545660fcbe8f5a7a8e141)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.259,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.210,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.176,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.143,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.94,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.36,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.13,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-06-25T10:30:17.203372+00:00", "updated": "2026-06-26T04:45:06.830913+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}