{"id":"CVE-2026-93183","revision":"d26eb58851b54947a3697dd7b73081fc","records":[{"revision":"d26eb58851b54947a3697dd7b73081fc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93183","aliases":[],"title":"drm/lima: call drm_mm_init() with a valid allocation range","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/lima: call drm_mm_init() with a valid allocation range\n\nlima_vm_create() is currently run before va_start and va_end are set up,\nmeaning they are both 0. lima_vm_create() runs drm_mm_init() with them\nas arguments for the allocator, and if DRM_DEBUG_MM is enabled the\nDRM_MM_BUG_ON check in drm_mm_init then fires, as seen here on\nexynos4412-odroid-u2:\n\n[    1.736297] ------------[ cut here ]------------\n[    1.740370] kernel BUG at drivers/gpu/drm/drm_mm.c:931!\n[    1.745574] Internal error: Oops - BUG: 0 [#1] SMP ARM\n[    1.750697] Modules linked in:\n[    1.753734] CPU: 0 UID: 0 PID: 41 Comm: kworker/u16:1 Not tainted 7.0.10-postmarketos-exynos4 #11 PREEMPT\n[    1.763372] Hardware name: Samsung Exynos (Flattened Device Tree)\n[    1.769446] Workqueue: events_unbound deferred_probe_work_func\n[    1.775261] PC is at drm_mm_init+0x9c/0xa4\n[    1.779339] LR is at lima_vm_create+0x144/0x17c\n[ ... ]\n\nFix the issue by moving the lima_vm_create() call after va_start and\nva_end are set up.","state":0,"publishedAt":"2026-09-17T16:12:10.072+00:00","modifiedAt":"2026-10-19T09:06:56.138+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/drm/lima/lima_device.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"a1d2a6339961efc078208dc3b2f006e9e9a8e119\",\n                            \"lessThan\": \"af1f276d50c9d7ebcd25770f358ca503a89d96d7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a1d2a6339961efc078208dc3b2f006e9e9a8e119\",\n                            \"lessThan\": \"fd6bc5f1d6b54047b06b82bab25a7e21e4b1c95a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a1d2a6339961efc078208dc3b2f006e9e9a8e119\",\n                            \"lessThan\": \"ad4e908096dff97646f77b04e2e2825225e215f7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a1d2a6339961efc078208dc3b2f006e9e9a8e119\",\n                            \"lessThan\": \"788917ba77f5d69bd368c1d176ecceda346a2951\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a1d2a6339961efc078208dc3b2f006e9e9a8e119\",\n                            \"lessThan\": \"79a3331ee436c8b1454f897d539606c9b5ebdf9f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a1d2a6339961efc078208dc3b2f006e9e9a8e119\",\n                            \"lessThan\": \"e2a7cee341986cb5b544a8286edc7fb0494c592e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a1d2a6339961efc078208dc3b2f006e9e9a8e119\",\n                            \"lessThan\": \"e0773ad25a34a49aece176721c466cf214e02222\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a1d2a6339961efc078208dc3b2f006e9e9a8e119\",\n                            \"lessThan\": \"3b3bce4a692ac60d9f4a341e6b597dd1fd0a28f9\",\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\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/gpu/drm/lima/lima_device.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/af1f276d50c9d7ebcd25770f358ca503a89d96d7","https://git.kernel.org/stable/c/fd6bc5f1d6b54047b06b82bab25a7e21e4b1c95a","https://git.kernel.org/stable/c/ad4e908096dff97646f77b04e2e2825225e215f7","https://git.kernel.org/stable/c/788917ba77f5d69bd368c1d176ecceda346a2951","https://git.kernel.org/stable/c/79a3331ee436c8b1454f897d539606c9b5ebdf9f","https://git.kernel.org/stable/c/e2a7cee341986cb5b544a8286edc7fb0494c592e","https://git.kernel.org/stable/c/e0773ad25a34a49aece176721c466cf214e02222","https://git.kernel.org/stable/c/3b3bce4a692ac60d9f4a341e6b597dd1fd0a28f9"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93183","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93183","identifiers":["CVE-2026-93183"]},"retained":false,"historicalAffected":[]}],"coverage":[]}