{"id":"CVE-2026-53329","revision":"b03f536d26fc4df2ad889ee589831909","records":[{"revision":"b03f536d26fc4df2ad889ee589831909","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53329","aliases":[],"title":"drm/amd/display: Use krealloc_array() in dal_vector_reserve()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Use krealloc_array() in dal_vector_reserve()\n\n[Why & How]\ndal_vector_reserve() computes the allocation size as\n\"capacity * vector->struct_size\" using uint32_t arithmetic, which can\nsilently wrap to a small value on overflow. This would cause krealloc to\nreturn a smaller buffer than expected, leading to heap overflows on\nsubsequent vector appends.\n\nReplace krealloc() with krealloc_array() which performs an internal\noverflow check and returns NULL on wrap, preventing the issue.\n\n(cherry picked from commit 37668568641ccc4cc1dbca4923d0a16609dd5707)","state":0,"publishedAt":"2026-07-01T13:32:14.598+00:00","modifiedAt":"2026-10-19T20:07:43.379+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/amd/display/dc/basics/vector.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2004f45ef83f07f43f5da6ede780b08068c7583d\",\n                            \"lessThan\": \"9540b0a4d13e4ede64ae1197d66a176d2149daa9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2004f45ef83f07f43f5da6ede780b08068c7583d\",\n                            \"lessThan\": \"31180638a33acad12c863132704a76536fb66211\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2004f45ef83f07f43f5da6ede780b08068c7583d\",\n                            \"lessThan\": \"b15825deac1acff72638bbc8f05b89ceef8dfb13\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2004f45ef83f07f43f5da6ede780b08068c7583d\",\n                            \"lessThan\": \"201151e120f0062bcda21cad5d007b82725ad23b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2004f45ef83f07f43f5da6ede780b08068c7583d\",\n                            \"lessThan\": \"a914aa802669e073f014dae2e5708633b5cecd34\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2004f45ef83f07f43f5da6ede780b08068c7583d\",\n                            \"lessThan\": \"e09689286385a66311ac6922af95339d7a3cef8d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2004f45ef83f07f43f5da6ede780b08068c7583d\",\n                            \"lessThan\": \"de988c7a31f0774f07894cfe4802996f318e2870\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2004f45ef83f07f43f5da6ede780b08068c7583d\",\n                            \"lessThan\": \"da48bc4461b8a5ebfb9264c9b191a701d8e99009\",\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/amd/display/dc/basics/vector.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.260\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.210\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.176\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.143\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.94\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.36\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.13\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/9540b0a4d13e4ede64ae1197d66a176d2149daa9","https://git.kernel.org/stable/c/31180638a33acad12c863132704a76536fb66211","https://git.kernel.org/stable/c/b15825deac1acff72638bbc8f05b89ceef8dfb13","https://git.kernel.org/stable/c/201151e120f0062bcda21cad5d007b82725ad23b","https://git.kernel.org/stable/c/a914aa802669e073f014dae2e5708633b5cecd34","https://git.kernel.org/stable/c/e09689286385a66311ac6922af95339d7a3cef8d","https://git.kernel.org/stable/c/de988c7a31f0774f07894cfe4802996f318e2870","https://git.kernel.org/stable/c/da48bc4461b8a5ebfb9264c9b191a701d8e99009"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53329","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53329","identifiers":["CVE-2026-53329"]},"retained":false,"historicalAffected":[]}],"coverage":[]}