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{"bugzilla": {"description": "kernel: drm/i915: Fix potential context UAFs", "id": "2306441", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2306441"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/i915: Fix potential context UAFs\ngem_context_register() makes the context visible to userspace, and which\npoint a separate thread can trigger the I915_GEM_CONTEXT_DESTROY ioctl.\nSo we need to ensure that nothing uses the ctx ptr after this. And we\nneed to ensure that adding the ctx to the xarray is the *last* thing\nthat gem_context_register() does with the ctx pointer.\n[tursulin: Stable and fixes tags add/tidy.]\n(cherry picked from commit bed4b455cf5374e68879be56971c1da563bcd90c)", "A vulnerability was found in the Linux Kernel's Intel graphics driver (drm/i915), where a use-after-free (UAF) condition can occur in the `gem_context_register()` function. When this function is called, it makes a graphics context visible to the userspace, which allows a separate thread to invoke the `I915_GEM_CONTEXT_DESTROY` ioctl and free the context while it is still in use."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-52913", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2024-08-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52913\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52913\nhttps://lore.kernel.org/linux-cve-announce/2024082115-CVE-2023-52913-5347@gregkh/T"], "statement": "Red Hat Enterprise Linux is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux Kernel used in its distributions.", "threat_severity": "Moderate"}

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