{"id":"CVE-2026-68265","aliases":[],"url":"https://o3.security/vulnerability/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)","published":"2026-08-10T12:01:40.271Z","modified":"2026-08-14T04:04:00.639925934Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.18.44"}],"fix":null,"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T04:04:00.639925934Z"}}