{"id":"CVE-2026-68427","revision":"7d7a275677a44551b494db73fb715ba9","records":[{"revision":"7d7a275677a44551b494db73fb715ba9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68427","aliases":[],"title":"gpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings\n\n__host1x_bo_unpin() drops the last reference to the mapping and frees\nit, so we can't dereference mapping afterwards. The cache itself\noutlives the mapping, so use the cache local variable instead.","state":0,"publishedAt":"2026-08-10T12:04:47.915+00:00","modifiedAt":"2026-10-19T21:09:09.99+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/host1x/bus.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"af755456299d44e4ed6af3b7c70a7f03ea37fdf1\",\n                            \"lessThan\": \"86a9bd8c8f422d5f3079da31e151868902fcc702\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"71c017b3f83ff72638f2a1b1d6d4e7bc61d30231\",\n                            \"lessThan\": \"abeff53233b984571b87582bb588b4b38ef4ea50\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"0e9dd7cfb9986b78cc81eca126ccfbf57f4c0602\",\n                            \"lessThan\": \"5b7e5f84d3d4cea10c3764d2da274810a7934228\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8c0d3cf0d5108c96317e0eca92b60dd368867cef\",\n                            \"lessThan\": \"5f4de3c717d34a24d555af581947742980778c02\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"df63c76f9c8d881ca7bce1aecfba512328d0527d\",\n                            \"lessThan\": \"b773faa32b0a98c3eb2b50d96de631681e5d1157\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3cbf5e3c46e66d9b3b6b91099bb720c6cb1be3bc\",\n                            \"lessThan\": \"266cddf7bd0f6c79b6c0633aef742a22bf70265b\",\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\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/gpu/host1x/bus.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.1.178\",\n                            \"lessThan\": \"6.1.183\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.145\",\n                            \"lessThan\": \"6.6.148\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.97\",\n                            \"lessThan\": \"6.12.101\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.40\",\n                            \"lessThan\": \"6.18.42\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThan\": \"7.1.6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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/86a9bd8c8f422d5f3079da31e151868902fcc702","https://git.kernel.org/stable/c/abeff53233b984571b87582bb588b4b38ef4ea50","https://git.kernel.org/stable/c/5b7e5f84d3d4cea10c3764d2da274810a7934228","https://git.kernel.org/stable/c/5f4de3c717d34a24d555af581947742980778c02","https://git.kernel.org/stable/c/b773faa32b0a98c3eb2b50d96de631681e5d1157","https://git.kernel.org/stable/c/266cddf7bd0f6c79b6c0633aef742a22bf70265b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68427","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68427","identifiers":["CVE-2026-68427"]},"retained":false,"historicalAffected":[]}],"coverage":[]}