{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-34195: GPU DDK - Kernel heap OOB write in PMRChangeSparseMemOSMem due to incorrect physical page translation from virtual page indexes","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-34195","status":"final","version":"1","initial_release_date":"2026-06-12T21:43:40.618Z","current_release_date":"2026-06-15T19:27:12.847Z","revision_history":[{"date":"2026-06-12T21:43:40.618Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Software installed and run as a non-privileged user may conduct intentional GPU sparse memory API calls to cause out of bounds write in the kernel.\n\n\n\nThe product incorrectly indexes internal state when performing sparse allocation remapping.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-34195 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-34195"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-34195"},{"category":"external","summary":"imaginationtech.com","url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}]},"product_tree":{"branches":[{"category":"vendor","name":"Imagination Technologies","branches":[{"category":"product_name","name":"Graphics DDK","branches":[{"category":"product_version","name":"24.2 RTM","product":{"name":"Imagination Technologies Graphics DDK 24.2 RTM","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=25.1 RTM <=25.3 RTM","product":{"name":"Imagination Technologies Graphics DDK >=25.1 RTM <=25.3 RTM","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"1.18 RTM","product":{"name":"Imagination Technologies Graphics DDK 1.18 RTM","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"23.2 RTM","product":{"name":"Imagination Technologies Graphics DDK 23.2 RTM","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"26.1 RTM","product":{"name":"Imagination Technologies Graphics DDK 26.1 RTM","product_id":"CSAFPID-5","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"26.2 RTM","product":{"name":"Imagination Technologies Graphics DDK 26.2 RTM","product_id":"CSAFPID-6","product_identification_helper":{"cpe":"cpe:2.3:a:imagination_technologies:graphics_ddk:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-34195","title":"GPU DDK - Kernel heap OOB write in PMRChangeSparseMemOSMem due to incorrect physical page translation from virtual page indexes","notes":[{"category":"description","text":"Software installed and run as a non-privileged user may conduct intentional GPU sparse memory API calls to cause out of bounds write in the kernel.\n\n\n\nThe product incorrectly indexes internal state when performing sparse allocation remapping.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2"],"fixed":["CSAFPID-3","CSAFPID-4","CSAFPID-5","CSAFPID-6"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 1.18 RTM, 23.2 RTM, 26.1 RTM, 26.2 RTM.","product_ids":["CSAFPID-1","CSAFPID-2"]}]}]}