{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53329", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.398Z", "datePublished": "2026-07-01T13:32:14.598Z", "dateUpdated": "2026-07-01T13:32:14.598Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-01T13:32:14.598Z"}, "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)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/display/dc/basics/vector.c"], "versions": [{"version": "2004f45ef83f07f43f5da6ede780b08068c7583d", "lessThan": "31180638a33acad12c863132704a76536fb66211", "status": "affected", "versionType": "git"}, {"version": "2004f45ef83f07f43f5da6ede780b08068c7583d", "lessThan": "b15825deac1acff72638bbc8f05b89ceef8dfb13", "status": "affected", "versionType": "git"}, {"version": "2004f45ef83f07f43f5da6ede780b08068c7583d", "lessThan": "201151e120f0062bcda21cad5d007b82725ad23b", "status": "affected", "versionType": "git"}, {"version": "2004f45ef83f07f43f5da6ede780b08068c7583d", "lessThan": "a914aa802669e073f014dae2e5708633b5cecd34", "status": "affected", "versionType": "git"}, {"version": "2004f45ef83f07f43f5da6ede780b08068c7583d", "lessThan": "e09689286385a66311ac6922af95339d7a3cef8d", "status": "affected", "versionType": "git"}, {"version": "2004f45ef83f07f43f5da6ede780b08068c7583d", "lessThan": "de988c7a31f0774f07894cfe4802996f318e2870", "status": "affected", "versionType": "git"}, {"version": "2004f45ef83f07f43f5da6ede780b08068c7583d", "lessThan": "da48bc4461b8a5ebfb9264c9b191a701d8e99009", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/display/dc/basics/vector.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.94", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.12.94"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.18.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "7.1"}]}]}], "references": [{"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"}}}}

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