{"id":"CVE-2026-45947","state":"PUBLISHED","title":"drm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc()\n\nIn amdgpu_acpi_enumerate_xcc(), if amdgpu_acpi_dev_init() returns -ENOMEM,\nthe function returns directly without releasing the allocated xcc_info,\nresulting in a memory leak.\n\nFix this by ensuring that xcc_info is properly freed in the error paths.\n\nCompile tested only. Issue found using a prototype static analysis tool\nand code review.","publishedAt":"2026-05-27T12:18:04.117Z","updatedAt":"2026-05-27T12:18:04.117Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"e87c73a80a12d337cf5f493c0956f6c2c9eafd80","versionType":"git"},{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"18a7bbd11f17a7cd4c42fd5955d3675d68c692df","versionType":"git"},{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"d1370ef2ecf7d4df25e3e1e430cd191b1e7f8596","versionType":"git"},{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"7e4b612fe7a960d610c20260c9ee220bddd1b215","versionType":"git"},{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"c9be63d565789b56ca7b0197e2cb78a3671f95a8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c"]}],"references":["https://git.kernel.org/stable/c/e87c73a80a12d337cf5f493c0956f6c2c9eafd80","https://git.kernel.org/stable/c/18a7bbd11f17a7cd4c42fd5955d3675d68c692df","https://git.kernel.org/stable/c/d1370ef2ecf7d4df25e3e1e430cd191b1e7f8596","https://git.kernel.org/stable/c/7e4b612fe7a960d610c20260c9ee220bddd1b215","https://git.kernel.org/stable/c/c9be63d565789b56ca7b0197e2cb78a3671f95a8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45947.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45947","state":"PUBLISHED","datePublished":"2026-05-27T12:18:04.117Z","dateUpdated":"2026-05-27T12:18:04.117Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.088Z"},"containers":{"cna":{"title":"drm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc()\n\nIn amdgpu_acpi_enumerate_xcc(), if amdgpu_acpi_dev_init() returns -ENOMEM,\nthe function returns directly without releasing the allocated xcc_info,\nresulting in a memory leak.\n\nFix this by ensuring that xcc_info is properly freed in the error paths.\n\nCompile tested only. Issue found using a prototype static analysis tool\nand code review."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"e87c73a80a12d337cf5f493c0956f6c2c9eafd80","versionType":"git"},{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"18a7bbd11f17a7cd4c42fd5955d3675d68c692df","versionType":"git"},{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"d1370ef2ecf7d4df25e3e1e430cd191b1e7f8596","versionType":"git"},{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"7e4b612fe7a960d610c20260c9ee220bddd1b215","versionType":"git"},{"version":"4d5275ab0b18d17697392aafd93e206e6b9de647","status":"affected","lessThan":"c9be63d565789b56ca7b0197e2cb78a3671f95a8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e87c73a80a12d337cf5f493c0956f6c2c9eafd80"},{"url":"https://git.kernel.org/stable/c/18a7bbd11f17a7cd4c42fd5955d3675d68c692df"},{"url":"https://git.kernel.org/stable/c/d1370ef2ecf7d4df25e3e1e430cd191b1e7f8596"},{"url":"https://git.kernel.org/stable/c/7e4b612fe7a960d610c20260c9ee220bddd1b215"},{"url":"https://git.kernel.org/stable/c/c9be63d565789b56ca7b0197e2cb78a3671f95a8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-27T12:18:04.117Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}