{ "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": "2026-07-15T00:44:48.625Z" }, "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" } }, "adp": [ { "affected": [ { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:10" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ], "defaultStatus": "unaffected", "packageName": "kernel-rt", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ], "defaultStatus": "unaffected", "packageName": "kernel-rt", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ], "defaultStatus": "unaffected", "packageName": "kernel", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ], "defaultStatus": "unaffected", "packageName": "kernel-rt", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat" } ], "datePublic": "2026-06-25T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "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." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-787", "description": "Out-of-bounds Write", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-53148" }, { "name": "RHBZ#2492756", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492756" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53148.json" } ], "timeline": [ { "lang": "en", "time": "2026-06-25T00:00:00.000Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-06-25T00:00:00.000Z", "value": "Made public." } ], "title": "kernel: thunderbolt: Clamp XDomain response data copy to allocation size", "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-15T00:44:48.625Z" } } ] } }