{"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":"2026-07-04T11:51:06.905Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-07-04T11:51:06.905Z"},"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":"9540b0a4d13e4ede64ae1197d66a176d2149daa9","status":"affected","versionType":"git"},{"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":"5.10.260","lessThanOrEqual":"5.10.*","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":"5.10.260"},{"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/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"}}}}