{"id":"CVE-2026-68253","revision":null,"records":[{"revision":"30884917c88b41c9a06458ee22ba51f8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68253","aliases":[],"title":"drm/i915/hdcp: check streams[] bounds before overflow","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/hdcp: check streams[] bounds before overflow\n\nThe data->streams[] overflow check is done after the buffer overflow has\nalready happened. Move the overflow check before the write.\n\nSide note, emitting a warning splat with a backtrace might be overkill\nhere, but prefer not changing the behaviour other than not doing the\noverrun.\n\nDiscovered using AI-assisted static analysis confirmed by Intel Product\nSecurity.\n\n(cherry picked from commit 9284ab3b6e776c315883ac2611283d263c9460fd)","state":0,"publishedAt":"2026-08-10T12:01:19.402+00:00","modifiedAt":"2026-10-19T20:58:58.09+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/gpu/drm/i915/display/intel_hdcp.c\"\n ],\n \"versions\": [\n {\n \"version\": \"e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9\",\n \"lessThan\": \"336cf6d80d41457442b659e7ba7a7badc0ffe79d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9\",\n \"lessThan\": \"389079bf04e6f0c6f10f5b879f6d7a9cf80f0567\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9\",\n \"lessThan\": \"84351f12390349ba010920fc247e1a0b12e41eb3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9\",\n \"lessThan\": \"2106fb490b2c6003e23ad6ff36ce823a2170e138\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9\",\n \"lessThan\": \"3d2ef8d389495e7889c6062d8bddc46d2a5fbdef\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9\",\n \"lessThan\": \"984085c5b53572e2e03fd5fc4817e86ef1effc6e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9\",\n \"lessThan\": \"bbb15a6b042d02e5508a02b4847e02d2579ee7bc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/gpu/drm/i915/display/intel_hdcp.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.12\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.12\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.217\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.184\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.151\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.103\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.42\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.6\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/336cf6d80d41457442b659e7ba7a7badc0ffe79d","https://git.kernel.org/stable/c/389079bf04e6f0c6f10f5b879f6d7a9cf80f0567","https://git.kernel.org/stable/c/84351f12390349ba010920fc247e1a0b12e41eb3","https://git.kernel.org/stable/c/2106fb490b2c6003e23ad6ff36ce823a2170e138","https://git.kernel.org/stable/c/3d2ef8d389495e7889c6062d8bddc46d2a5fbdef","https://git.kernel.org/stable/c/984085c5b53572e2e03fd5fc4817e86ef1effc6e","https://git.kernel.org/stable/c/bbb15a6b042d02e5508a02b4847e02d2579ee7bc"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68253","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68253","identifiers":["CVE-2026-68253"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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