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        "cveId": "CVE-2023-1829",
        "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "state": "PUBLISHED",
        "assignerShortName": "Google",
        "dateReserved": "2023-04-04T10:32:43.055Z",
        "datePublished": "2023-04-12T11:16:59.101Z",
        "dateUpdated": "2024-08-02T06:05:26.153Z"
    },
    "containers": {
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            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "packageName": "kernel",
                    "product": "Linux Kernel",
                    "repo": "https://git.kernel.org",
                    "vendor": "Linux",
                    "versions": [
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                            "lessThanOrEqual": "6.2",
                            "status": "affected",
                            "version": "3.8",
                            "versionType": "custom"
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            "datePublic": "2023-02-16T08:27:00.000Z",
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                    "lang": "en",
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                            "value": "A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) <span style=\"background-color: rgb(255, 255, 255);\">can be exploited to achieve local privilege escalation</span>.&nbsp;<span style=\"background-color: rgb(255, 255, 255);\"><span style=\"background-color: rgb(255, 255, 255);\">The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.&nbsp;</span></span><span style=\"background-color: var(--wht);\">A local attacker user can use this vulnerability to elevate its privileges to root.<br></span><p><span style=\"background-color: rgb(255, 255, 255);\">We recommend upgrading past commit </span> <a target=\"_blank\" rel=\"nofollow\" href=\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28\">8c710f75256bb3cf05ac7b1672c82b92c43f3d28</a>.</p>"
                        }
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                    "value": "A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root.\nWe recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.\n\n"
                }
            ],
            "impacts": [
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                            "value": "CAPEC-233 Privilege Escalation"
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                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.8,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "version": "3.1"
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                            "value": "GENERAL"
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                {
                    "descriptions": [
                        {
                            "cweId": "CWE-416",
                            "description": "CWE-416 Use After Free",
                            "lang": "en",
                            "type": "CWE"
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                "shortName": "Google",
                "dateUpdated": "2023-04-12T11:37:42.774Z"
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            "references": [
                {
                    "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28"
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                    "url": "https://security.netapp.com/advisory/ntap-20230601-0001/"
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            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Use-after-free in tcindex (traffic control index filter) in the Linux Kernel",
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                "title": "CVE Program Container",
                "references": [
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                        "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28",
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