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{"affected_release": [{"advisory": "RHSA-2023:7077", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-513.5.1.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2023:6583", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:6583", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "kernel: ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()", "id": "2355468", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355468"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nipv4: prevent potential spectre v1 gadget in ip_metrics_convert()\nif (!type)\ncontinue;\nif (type > RTAX_MAX)\nreturn -EINVAL;\n...\nmetrics[type - 1] = val;\n@type being used as an array index, we need to prevent\ncpu speculation or risk leaking kernel memory content.", "A vulnerability was found in the Linux kernel's `ip_metrics_convert()` function, where improper handling of user input can potentially leak kernel memory via side channels. This issue is caused by the use of `@type`, a user-controlled input, which is an array within this function. If a CPU speculatively executes instructions past the conditional branch before the branch condition is resolved, the line `metrics[type - 1] = val` may be evaluated. A situation where `type` is out-of-bounds could lead to improper kernel memory access."], "name": "CVE-2023-52997", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52997\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52997\nhttps://lore.kernel.org/linux-cve-announce/2025032710-CVE-2023-52997-dbca@gregkh/T"], "threat_severity": "Moderate"}