CVE-2021-47354

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(/dev/dri/renderD*) and GPU job submission ioctls; the vulnerable kill path runs on entity teardown after close or process exit, not from network packet processing.\nAC:L - An attacker can reliably trigger the bug by submitting jobs that depend on a fence they control (or a long-running prior job), then closing the DRM fd so flush times out, or exiting with SIGKILL so remaining queued jobs are killed without dependency waits.\nPR:L - Render nodes are usable by unprivileged users (render/video group on desktops, app GPU access on Android); no root or init-namespace capabilities are required to open the device and submit jobs.\nUI:N - The attacker performs submission and teardown themselves; no separate victim action is required to hit the kill path or to cause device-wide GPU faults/resets.\nS:U - Impact stays within the host kernel/GPU device authority (corrupted GPU buffers and possible GPU reset); this is not a VM escape, IOMMU bypass, or other cross-boundary scope change.\nC:N - The 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{"bugzilla": {"description": "kernel: drm/sched: Avoid data corruptions", "id": "2282399", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282399"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/sched: Avoid data corruptions\nWait for all dependencies of a job to complete before\nkilling it to avoid data corruptions."], "name": "CVE-2021-47354", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47354\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47354\nhttps://lore.kernel.org/linux-cve-announce/2024052141-CVE-2021-47354-79f4@gregkh/T"], "threat_severity": "Low"}

{}