{"id":"CVE-2026-68253","summary":"drm/i915/hdcp: check streams[] bounds before overflow","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/hdcp: check streams[] bounds before overflow\n\nThe data-\u003estreams[] 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)","modified":"2026-08-12T04:18:47.146278627Z","published":"2026-08-10T12:01:19.402Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68253.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2106fb490b2c6003e23ad6ff36ce823a2170e138"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d2ef8d389495e7889c6062d8bddc46d2a5fbdef"},{"type":"WEB","url":"https://git.kernel.org/stable/c/84351f12390349ba010920fc247e1a0b12e41eb3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/984085c5b53572e2e03fd5fc4817e86ef1effc6e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bbb15a6b042d02e5508a02b4847e02d2579ee7bc"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68253.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68253"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e03187e12cae57c09b521b6f7dd7c7f9aa2b62e9"},{"fixed":"84351f12390349ba010920fc247e1a0b12e41eb3"},{"fixed":"2106fb490b2c6003e23ad6ff36ce823a2170e138"},{"fixed":"3d2ef8d389495e7889c6062d8bddc46d2a5fbdef"},{"fixed":"984085c5b53572e2e03fd5fc4817e86ef1effc6e"},{"fixed":"bbb15a6b042d02e5508a02b4847e02d2579ee7bc"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68253.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.12.0"},{"fixed":"6.6.151"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.103"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.42"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68253.json"}}],"schema_version":"1.9.0"}