{"id":"CVE-2026-68265","summary":"drm/xe/vm: Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/vm: Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC\n\nWhen prefetch region is DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC for a BO VMA,\nthe code used it as an index into region_to_mem_type[], causing an\nout-of-bounds access since the value is -1.\n\nResolve the preferred location for BO VMAs directly: local VRAM on dGFX\n(using the BO's tile placement) or system memory on iGPU.\n\nDiscovered using AI-assisted static analysis confirmed by Intel Product\nSecurity.\n\nv2:\n-Fix null dereference\n\n(cherry picked from commit d9a4906ac03be9f6ed3f3b45c56c866b867fd75b)","modified":"2026-08-18T03:31:02.840484137Z","published":"2026-08-10T12:01:40.271Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68265.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/7bc597ce74bab4153b2009c92eccf889e9d74044"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c4affa4e8bc8086b4d3e8d6cf1055a624f813d72"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d256dac008d1d9e6378aa1a5454e89a8292d174c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68265.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68265"},{"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":"c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe"},{"fixed":"d256dac008d1d9e6378aa1a5454e89a8292d174c"},{"fixed":"c4affa4e8bc8086b4d3e8d6cf1055a624f813d72"},{"fixed":"7bc597ce74bab4153b2009c92eccf889e9d74044"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-68265.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.18.0"},{"fixed":"6.18.44"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-68265.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H"}]}