CVE-2023-31248

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"af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://lore.kernel.org/netfilter-devel/20230705121627.GC19489@breakpoint.cc/T/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240201-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5453"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://www.openwall.com/lists/oss-security/2023/07/05/2"}], "sourceIdentifier": "security@ubuntu.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "security@ubuntu.com", "type": "Secondary"}, {"description": [{"lang": "en", 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{"affected_release": [{"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-2023:5604", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "kernel-0:5.14.0-70.75.1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-10-10T00:00:00Z"}, {"advisory": "RHSA-2023:5603", "cpe": "cpe:/a:redhat:rhel_eus:9.0::nfv", "package": "kernel-rt-0:5.14.0-70.75.1.rt21.146.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-10-10T00:00:00Z"}, {"advisory": "RHSA-2023:5575", "cpe": "cpe:/o:redhat:rhel_eus:9.0", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-10-10T00:00:00Z"}], "bugzilla": {"description": "kernel: nf_tables: use-after-free in nft_chain_lookup_byid()", "id": "2220893", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2220893"}, "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": ["Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace", "A use-after-free flaw was found in the Linux kernel's Netfilter module in net/netfilter/nf_tables_api.c in nft_chain_lookup_byid. This flaw allows a local attacker to cause a local privilege escalation issue due to a missing cleanup."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, it is possible to prevent the affected code from being loaded by blacklisting the kernel netfilter module. \nFor instructions relating to how to blacklist a kernel module refer to: https://access.redhat.com/solutions/41278"}, "name": "CVE-2023-31248", "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"}], "public_date": "2023-07-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-31248\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-31248\nhttps://lore.kernel.org/netfilter-devel/20230705121627.GC19489@breakpoint.cc/T/\nhttps://www.openwall.com/lists/oss-security/2023/07/05/2\nhttps://www.zerodayinitiative.com/advisories/ZDI-23-899/"], "statement": "Exploiting this flaw will require the CAP_NET_ADMIN access privilege in any user or network namespace.", "threat_severity": "Important"}

{}