{"id":"CVE-2026-46224","state":"PUBLISHED","title":"drm/xe: Fix bo leak in xe_dma_buf_init_obj() on allocation failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Fix bo leak in xe_dma_buf_init_obj() on allocation failure\n\nWhen drm_gpuvm_resv_object_alloc() fails, the pre-allocated storage bo\nis not freed. Add xe_bo_free(storage) before returning the error.\n\nxe_dma_buf_init_obj() calls xe_bo_init_locked(), which frees the bo on\nerror. Therefore, xe_dma_buf_init_obj() must also free the bo on its own\nerror paths. Otherwise, since xe_gem_prime_import() cannot distinguish\nwhether the failure originated from xe_dma_buf_init_obj() or from\nxe_bo_init_locked(), it cannot safely decide whether the bo should be\nfreed.\n\nAdd comments documenting the ownership semantics: on success, ownership\nof storage is transferred to the returned drm_gem_object; on failure,\nstorage is freed before returning.\n\nv2: Add comments to explain the free logic.\n\n(cherry picked from commit 78a6c5f899f22338bbf48b44fb8950409c5a69b9)","publishedAt":"2026-05-28T09:40:42.819Z","updatedAt":"2026-06-14T18:03:55.011Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"eb289a5f6cc668853f9b2ea6aca04afe58ed11c7","status":"affected","lessThan":"f9ad21b90162baf1d78f8036ff3813c3ec1ac88e","versionType":"git"},{"version":"eb289a5f6cc668853f9b2ea6aca04afe58ed11c7","status":"affected","lessThan":"8fa8c2a22585fcb31dc605b91a67bbcca223fdd7","versionType":"git"},{"version":"eb289a5f6cc668853f9b2ea6aca04afe58ed11c7","status":"affected","lessThan":"93a528f67ce5095bcab46a69839eca97f43dd352","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/xe/xe_dma_buf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.32","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.9","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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/xe/xe_dma_buf.c"]}],"references":["https://git.kernel.org/stable/c/f9ad21b90162baf1d78f8036ff3813c3ec1ac88e","https://git.kernel.org/stable/c/8fa8c2a22585fcb31dc605b91a67bbcca223fdd7","https://git.kernel.org/stable/c/93a528f67ce5095bcab46a69839eca97f43dd352"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46224.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46224","state":"PUBLISHED","datePublished":"2026-05-28T09:40:42.819Z","dateUpdated":"2026-06-14T18:03:55.011Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.106Z"},"containers":{"cna":{"title":"drm/xe: Fix bo leak in xe_dma_buf_init_obj() on allocation failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Fix bo leak in xe_dma_buf_init_obj() on allocation failure\n\nWhen drm_gpuvm_resv_object_alloc() fails, the pre-allocated storage bo\nis not freed. Add xe_bo_free(storage) before returning the error.\n\nxe_dma_buf_init_obj() calls xe_bo_init_locked(), which frees the bo on\nerror. Therefore, xe_dma_buf_init_obj() must also free the bo on its own\nerror paths. Otherwise, since xe_gem_prime_import() cannot distinguish\nwhether the failure originated from xe_dma_buf_init_obj() or from\nxe_bo_init_locked(), it cannot safely decide whether the bo should be\nfreed.\n\nAdd comments documenting the ownership semantics: on success, ownership\nof storage is transferred to the returned drm_gem_object; on failure,\nstorage is freed before returning.\n\nv2: Add comments to explain the free logic.\n\n(cherry picked from commit 78a6c5f899f22338bbf48b44fb8950409c5a69b9)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"eb289a5f6cc668853f9b2ea6aca04afe58ed11c7","status":"affected","lessThan":"f9ad21b90162baf1d78f8036ff3813c3ec1ac88e","versionType":"git"},{"version":"eb289a5f6cc668853f9b2ea6aca04afe58ed11c7","status":"affected","lessThan":"8fa8c2a22585fcb31dc605b91a67bbcca223fdd7","versionType":"git"},{"version":"eb289a5f6cc668853f9b2ea6aca04afe58ed11c7","status":"affected","lessThan":"93a528f67ce5095bcab46a69839eca97f43dd352","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/xe/xe_dma_buf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.32","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.9","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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/xe/xe_dma_buf.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f9ad21b90162baf1d78f8036ff3813c3ec1ac88e"},{"url":"https://git.kernel.org/stable/c/8fa8c2a22585fcb31dc605b91a67bbcca223fdd7"},{"url":"https://git.kernel.org/stable/c/93a528f67ce5095bcab46a69839eca97f43dd352"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T18:03:55.011Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.32"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}