{"id":"CVE-2026-53329","title":"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 u…","summary":"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 u…","severity":"high","published":"2026-07-01","updated":"2026-07-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53329","references":[{"url":"https://git.kernel.org/stable/c/201151e120f0062bcda21cad5d007b82725ad23b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/31180638a33acad12c863132704a76536fb66211","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9540b0a4d13e4ede64ae1197d66a176d2149daa9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a914aa802669e073f014dae2e5708633b5cecd34","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b15825deac1acff72638bbc8f05b89ceef8dfb13","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/da48bc4461b8a5ebfb9264c9b191a701d8e99009","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/de988c7a31f0774f07894cfe4802996f318e2870","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e09689286385a66311ac6922af95339d7a3cef8d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00147,"epssPercentile":0.03899,"ingestedAt":"2026-07-04T13:56:12.012Z","vendor":"Linux","product":"Linux","affected":["Linux >= 2004f45ef83f07f43f5da6ede780b08068c7583d < 9540b0a4d13e4ede64ae1197d66a176d2149daa9","Linux >= 2004f45ef83f07f43f5da6ede780b08068c7583d < 31180638a33acad12c863132704a76536fb66211","Linux >= 2004f45ef83f07f43f5da6ede780b08068c7583d < b15825deac1acff72638bbc8f05b89ceef8dfb13","Linux >= 2004f45ef83f07f43f5da6ede780b08068c7583d < 201151e120f0062bcda21cad5d007b82725ad23b","Linux >= 2004f45ef83f07f43f5da6ede780b08068c7583d < a914aa802669e073f014dae2e5708633b5cecd34","Linux >= 2004f45ef83f07f43f5da6ede780b08068c7583d < e09689286385a66311ac6922af95339d7a3cef8d","Linux >= 2004f45ef83f07f43f5da6ede780b08068c7583d < de988c7a31f0774f07894cfe4802996f318e2870","Linux >= 2004f45ef83f07f43f5da6ede780b08068c7583d < da48bc4461b8a5ebfb9264c9b191a701d8e99009","Linux 4.15"],"cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T15:28:28.487148Z"},"cvssSource":"cna","slug":"CVE-2026-53329","body":"## Overview\n\nIn 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)\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":223102,"id":"CVE-2026-53329","ts":1792172282453,"field":"cvss","old":null,"new":"7"},{"seq":223101,"id":"CVE-2026-53329","ts":1792172282453,"field":"severity","old":"none","new":"high"}]}