{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "029571d51140650783be4fb98fe7cb4754752086", "status": "affected", "version": "1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a", "versionType": "git"}, {"lessThan": "5f8b39452fb16f507c9e4d8b4a83ce27e893307c", "status": "affected", "version": "1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a", "versionType": "git"}, {"lessThan": "4d1c3c26c2ab1842e139e61983395d64bd2e518b", "status": "affected", "version": "1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a", "versionType": "git"}, {"lessThan": "d6be8e59af412623e3d874be3a048406c0edfe60", "status": "affected", "version": "1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a", "versionType": "git"}, {"lessThan": "3f32d52ec604c659725d865cf8cc6a17a33f9c6a", "status": "affected", "version": "1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a", "versionType": "git"}, {"lessThan": "8aaa7e317fbd4beb9c6a9f77aa4cf52fae78b117", "status": "affected", "version": "1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a", "versionType": "git"}, {"lessThan": "fb0707ce00eef4e2d60c3020e1c0432739703e4a", "status": "affected", "version": "1e8635ea0ea370bf4f0f2b2f1b3eb61474dd962a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.15"}, {"lessThan": "4.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.210", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.176", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.143", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.94", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.36", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.13", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E38A9AB0-0756-40E8-860F-FF23B584A2C0", "versionEndExcluding": "5.15.210", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C4446623-5F2B-4DD8-8666-9FAAC285A757", "versionEndExcluding": "6.1.176", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": 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"cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "EC732D08-5F7B-46D9-B154-E60C7F4F0A97", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "E5910A9D-F60A-409A-B486-FE66BFEBA9B9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*", "matchCriteriaId": "81DFF19E-9CF8-49C6-8C36-1E4038622933", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc6:*:*:*:*:*:*", "matchCriteriaId": "B0E8FC71-3952-444C-83E9-718DBBBEC615", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Clamp VBIOS HDMI retimer register count to array size\n\n[Why & How]\nThe VBIOS integrated info tables (v1_11 and v2_1) contain HdmiRegNum and\nHdmi6GRegNum fields that are used as loop bounds when copying retimer I2C\nregister settings into fixed-size arrays (dp*_ext_hdmi_reg_settings[9]\nand dp*_ext_hdmi_6g_reg_settings[3]). These u8 fields are not validated\nbefore use, so a malformed VBIOS can specify values up to 255, causing an\nout-of-bounds heap write during driver probe.\n\nClamp each register count to the destination array size using min_t()\nbefore the copy loops, in both get_integrated_info_v11() and\nget_integrated_info_v2_1().\n\n(cherry picked from commit 5a7f0ef90195940c54b0f5bb85b87da55f038c69)"}], "id": "CVE-2026-53136", "lastModified": "2026-11-06T17:18:09.693", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53136", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:20:27.827886Z", "version": "2.0.3"}}]}, "published": "2026-06-25T09:16:30.910", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/029571d51140650783be4fb98fe7cb4754752086"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3f32d52ec604c659725d865cf8cc6a17a33f9c6a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4d1c3c26c2ab1842e139e61983395d64bd2e518b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5f8b39452fb16f507c9e4d8b4a83ce27e893307c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8aaa7e317fbd4beb9c6a9f77aa4cf52fae78b117"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d6be8e59af412623e3d874be3a048406c0edfe60"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fb0707ce00eef4e2d60c3020e1c0432739703e4a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}