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Enterprise Linux 9", "release_date": "2023-08-01T00:00:00Z"}, {"advisory": "RHSA-2023:4380", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-08-01T00:00:00Z"}, {"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"}, {"advisory": "RHSA-2023:4789", "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "package": "kernel-0:4.18.0-372.70.1.el8_6", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "release_date": "2023-08-29T00:00:00Z"}], "bugzilla": {"description": "kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()", "id": "2215768", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215768"}, "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-787", "details": ["An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.", "A flaw was found in the TC flower classifier (cls_flower) in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters fl_set_geneve_opt, potentially leading to a denial of service or privilege escalation."], "mitigation": {"lang": "en:us", "value": "This flaw can be mitigated by preventing the affected `cls_flower` kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278."}, "name": "CVE-2023-35788", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2023-05-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-35788\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-35788\nhttps://www.openwall.com/lists/oss-security/2023/06/07/1"], "statement": "Red Hat Enterprise Linux 6 is not affected by this flaw as it did not include support for the TC flower classifier.", "threat_severity": "Important", "upstream_fix": "kernel 6.4-rc5"}