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{"bugzilla": {"description": "kernel: drm/amdgpu: bypass tiling flag check in virtual display case (v2)", "id": "2298190", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2298190"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdgpu: bypass tiling flag check in virtual display case (v2)\nvkms leverages common amdgpu framebuffer creation, and\nalso as it does not support FB modifier, there is no need\nto check tiling flags when initing framebuffer when virtual\ndisplay is enabled.\nThis can fix below calltrace:\namdgpu 0000:00:08.0: GFX9+ requires FB check based on format modifier\nWARNING: CPU: 0 PID: 1023 at drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:1150 amdgpu_display_framebuffer_init+0x8e7/0xb40 [amdgpu]\nv2: check adev->enable_virtual_display instead as vkms can be\nenabled in bare metal as well.", "A flaw was found in the Linux kernel. There is no need to check tiling flags when initing the frame buffer when the virtual display is enabled. This update removes potential and unnecessary availability issues."], "name": "CVE-2022-48849", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48849\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48849\nhttps://lore.kernel.org/linux-cve-announce/2024071624-CVE-2022-48849-3119@gregkh/T"], "threat_severity": "Moderate"}

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