{"api_version":"1","generated_at":"2026-07-04T18:19:01+00:00","cve":"CVE-2026-53329","urls":{"html":"https://cve.report/CVE-2026-53329","api":"https://cve.report/api/cve/CVE-2026-53329.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53329","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53329"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-07-01 14:16:40","updated_at":"2026-07-04 12:17:01"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/9540b0a4d13e4ede64ae1197d66a176d2149daa9","name":"https://git.kernel.org/stable/c/9540b0a4d13e4ede64ae1197d66a176d2149daa9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/201151e120f0062bcda21cad5d007b82725ad23b","name":"https://git.kernel.org/stable/c/201151e120f0062bcda21cad5d007b82725ad23b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/da48bc4461b8a5ebfb9264c9b191a701d8e99009","name":"https://git.kernel.org/stable/c/da48bc4461b8a5ebfb9264c9b191a701d8e99009","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a914aa802669e073f014dae2e5708633b5cecd34","name":"https://git.kernel.org/stable/c/a914aa802669e073f014dae2e5708633b5cecd34","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/31180638a33acad12c863132704a76536fb66211","name":"https://git.kernel.org/stable/c/31180638a33acad12c863132704a76536fb66211","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/de988c7a31f0774f07894cfe4802996f318e2870","name":"https://git.kernel.org/stable/c/de988c7a31f0774f07894cfe4802996f318e2870","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b15825deac1acff72638bbc8f05b89ceef8dfb13","name":"https://git.kernel.org/stable/c/b15825deac1acff72638bbc8f05b89ceef8dfb13","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e09689286385a66311ac6922af95339d7a3cef8d","name":"https://git.kernel.org/stable/c/e09689286385a66311ac6922af95339d7a3cef8d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53329","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53329","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2004f45ef83f07f43f5da6ede780b08068c7583d 9540b0a4d13e4ede64ae1197d66a176d2149daa9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2004f45ef83f07f43f5da6ede780b08068c7583d 31180638a33acad12c863132704a76536fb66211 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2004f45ef83f07f43f5da6ede780b08068c7583d b15825deac1acff72638bbc8f05b89ceef8dfb13 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2004f45ef83f07f43f5da6ede780b08068c7583d 201151e120f0062bcda21cad5d007b82725ad23b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.210 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.176 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.143 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.94 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.36 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.13 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * 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00:02:18"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/dc/basics/vector.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9540b0a4d13e4ede64ae1197d66a176d2149daa9","status":"affected","version":"2004f45ef83f07f43f5da6ede780b08068c7583d","versionType":"git"},{"lessThan":"31180638a33acad12c863132704a76536fb66211","status":"affected","version":"2004f45ef83f07f43f5da6ede780b08068c7583d","versionType":"git"},{"lessThan":"b15825deac1acff72638bbc8f05b89ceef8dfb13","status":"affected","version":"2004f45ef83f07f43f5da6ede780b08068c7583d","versionType":"git"},{"lessThan":"201151e120f0062bcda21cad5d007b82725ad23b","status":"affected","version":"2004f45ef83f07f43f5da6ede780b08068c7583d","versionType":"git"},{"lessThan":"a914aa802669e073f014dae2e5708633b5cecd34","status":"affected","version":"2004f45ef83f07f43f5da6ede780b08068c7583d","versionType":"git"},{"lessThan":"e09689286385a66311ac6922af95339d7a3cef8d","status":"affected","version":"2004f45ef83f07f43f5da6ede780b08068c7583d","versionType":"git"},{"lessThan":"de988c7a31f0774f07894cfe4802996f318e2870","status":"affected","version":"2004f45ef83f07f43f5da6ede780b08068c7583d","versionType":"git"},{"lessThan":"da48bc4461b8a5ebfb9264c9b191a701d8e99009","status":"affected","version":"2004f45ef83f07f43f5da6ede780b08068c7583d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/dc/basics/vector.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.260","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.260","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.210","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.176","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.143","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.94","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"4.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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)"}],"providerMetadata":{"dateUpdated":"2026-07-04T11:51:06.905Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/9540b0a4d13e4ede64ae1197d66a176d2149daa9"},{"url":"https://git.kernel.org/stable/c/31180638a33acad12c863132704a76536fb66211"},{"url":"https://git.kernel.org/stable/c/b15825deac1acff72638bbc8f05b89ceef8dfb13"},{"url":"https://git.kernel.org/stable/c/201151e120f0062bcda21cad5d007b82725ad23b"},{"url":"https://git.kernel.org/stable/c/a914aa802669e073f014dae2e5708633b5cecd34"},{"url":"https://git.kernel.org/stable/c/e09689286385a66311ac6922af95339d7a3cef8d"},{"url":"https://git.kernel.org/stable/c/de988c7a31f0774f07894cfe4802996f318e2870"},{"url":"https://git.kernel.org/stable/c/da48bc4461b8a5ebfb9264c9b191a701d8e99009"}],"title":"drm/amd/display: Use krealloc_array() in dal_vector_reserve()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53329","datePublished":"2026-07-01T13:32:14.598Z","dateReserved":"2026-06-09T07:44:35.398Z","dateUpdated":"2026-07-04T11:51:06.905Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-01 14:16:40","lastModifiedDate":"2026-07-04 12:17:01","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53329","Ordinal":"1","Title":"drm/amd/display: Use krealloc_array() in dal_vector_reserve()","CVE":"CVE-2026-53329","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53329","Ordinal":"1","NoteData":"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)","Type":"Description","Title":"drm/amd/display: Use krealloc_array() in dal_vector_reserve()"}]}}}