{"api_version":"1","generated_at":"2026-08-26T15:20:33+00:00","cve":"CVE-2025-71099","urls":{"html":"https://cve.report/CVE-2025-71099","api":"https://cve.report/api/cve/CVE-2025-71099.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-71099","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-71099"},"summary":{"title":"drm/xe/oa: Fix potential UAF in xe_oa_add_config_ioctl()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/oa: Fix potential UAF in xe_oa_add_config_ioctl()\n\nIn xe_oa_add_config_ioctl(), we accessed oa_config->id after dropping\nmetrics_lock. Since this lock protects the lifetime of oa_config, an\nattacker could guess the id and call xe_oa_remove_config_ioctl() with\nperfect timing, freeing oa_config before we dereference it, leading to\na potential use-after-free.\n\nFix this by caching the id in a local variable while holding the lock.\n\nv2: (Matt A)\n- Dropped mutex_unlock(&oa->metrics_lock) ordering change from\n  xe_oa_remove_config_ioctl()\n\n(cherry picked from commit 28aeaed130e8e587fd1b73b6d66ca41ccc5a1a31)","state":"PUBLISHED","assigner":"Linux","published_at":"2026-01-13 16:16:09","updated_at":"2026-07-30 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Since this lock protects the lifetime of oa_config, an\nattacker could guess the id and call xe_oa_remove_config_ioctl() with\nperfect timing, freeing oa_config before we dereference it, leading to\na potential use-after-free.\n\nFix this by caching the id in a local variable while holding the lock.\n\nv2: (Matt A)\n- Dropped mutex_unlock(&oa->metrics_lock) ordering change from\n  xe_oa_remove_config_ioctl()\n\n(cherry picked from commit 28aeaed130e8e587fd1b73b6d66ca41ccc5a1a31)","Type":"Description","Title":"drm/xe/oa: Fix potential UAF in xe_oa_add_config_ioctl()"}]}}}