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"2023-09-05T00:00:00Z"}, {"advisory": "RHSA-2023:5548", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-10-10T00:00:00Z"}, {"advisory": "RHSA-2023:5627", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "kernel-0:4.18.0-372.75.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-10-10T00:00:00Z"}, {"advisory": "RHSA-2023:5069", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.30.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-09-12T00:00:00Z"}, {"advisory": "RHSA-2023:5091", "cpe": "cpe:/a:redhat:enterprise_linux:9::nfv", "package": "kernel-rt-0:5.14.0-284.30.1.rt14.315.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-09-12T00:00:00Z"}, {"advisory": "RHSA-2023:5069", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.30.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-09-12T00:00:00Z"}, {"advisory": "RHSA-2023:5093", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-09-12T00:00:00Z"}, {"advisory": "RHSA-2023:7382", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "kernel-0:5.14.0-70.80.1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-11-21T00:00:00Z"}, {"advisory": "RHSA-2023:7389", "cpe": "cpe:/a:redhat:rhel_eus:9.0::nfv", "package": "kernel-rt-0:5.14.0-70.80.1.rt21.151.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-11-21T00:00:00Z"}, {"advisory": "RHSA-2023:7411", "cpe": "cpe:/o:redhat:rhel_eus:9.0", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-11-21T00:00:00Z"}, {"advisory": "RHSA-2023:5627", "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "package": "kernel-0:4.18.0-372.75.1.el8_6", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "release_date": "2023-10-10T00:00:00Z"}], "bugzilla": {"description": "kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove()", "id": "2225275", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225275"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.", "A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system."], "mitigation": {"lang": "en:us", "value": "This flaw can be mitigated by preventing the affected netfilter kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278."}, "name": "CVE-2023-4004", "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"}], "public_date": "2023-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-4004\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-4004\nhttps://patchwork.ozlabs.org/project/netfilter-devel/patch/20230719190824.21196-1-fw@strlen.de/"], "threat_severity": "Important", "upstream_fix": "kernel 6.5-rc5"}