{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/oraclelinux7els/vex/2025/cve-2025-37752-els_os-oraclelinux7els.json" } ], "title": "Security update on CVE-2025-37752", "tracking": { "current_release_date": "2025-12-23T22:15:38Z", "generator": { "date": "2025-12-23T22:15:38Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2025-37752-ELS_OS-ORACLELINUX7ELS", "initial_release_date": "2025-05-01T00:00:00Z", "revision_history": [ { "date": "2025-05-01T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-09-12T17:57:00Z", "number": "2", "summary": "Official Publication" }, { "date": "2025-12-23T22:15:38Z", "number": "3", "summary": "Update document" } ], "status": "final", "version": "2" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Oracle Linux 7", "product": { "name": "Oracle Linux 7", "product_id": "Oracle-Linux-7", "product_identification_helper": { "cpe": "cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Oracle Linux" } ], "category": "vendor", "name": "Oracle Corporation" }, { "branches": [ { "branches": [ { "category": "product_version", "name": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "product": { "name": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "product_id": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/bpftool@5.4.17-2136.338.4.2.el7uek.tuxcare.els3?arch=x86_64" } } }, { "category": "product_version", "name": 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"vulnerabilities": [ { "cve": "CVE-2025-37752", "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\nnet_sched: sch_sfq: move the limit validation\nIt is not sufficient to directly validate the limit on the data that\nthe user passes as it can be updated based on how the other parameters\nare changed.\nMove the check at the end of the configuration update process to also\ncatch scenarios where the limit is indirectly updated, for example\nwith the following configurations:\ntc qdisc add dev dummy0 handle 1: root sfq limit 2 flows 1 depth 1\ntc qdisc add dev dummy0 handle 1: root sfq limit 2 flows 1 divisor 1\nThis fixes the following syzkaller reported crash:\n------------[ cut here ]------------\nUBSAN: array-index-out-of-bounds in net/sched/sch_sfq.c:203:6\nindex 65535 is out of range for type 'struct sfq_head[128]'\nCPU: 1 UID: 0 PID: 3037 Comm: syz.2.16 Not tainted 6.14.0-rc2-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024\nCall Trace:\n\n__dump_stack lib/dump_stack.c:94 [inline]\ndump_stack_lvl+0x201/0x300 lib/dump_stack.c:120\nubsan_epilogue lib/ubsan.c:231 [inline]\n__ubsan_handle_out_of_bounds+0xf5/0x120 lib/ubsan.c:429\nsfq_link net/sched/sch_sfq.c:203 [inline]\nsfq_dec+0x53c/0x610 net/sched/sch_sfq.c:231\nsfq_dequeue+0x34e/0x8c0 net/sched/sch_sfq.c:493\nsfq_reset+0x17/0x60 net/sched/sch_sfq.c:518\nqdisc_reset+0x12e/0x600 net/sched/sch_generic.c:1035\ntbf_reset+0x41/0x110 net/sched/sch_tbf.c:339\nqdisc_reset+0x12e/0x600 net/sched/sch_generic.c:1035\ndev_reset_queue+0x100/0x1b0 net/sched/sch_generic.c:1311\nnetdev_for_each_tx_queue include/linux/netdevice.h:2590 [inline]\ndev_deactivate_many+0x7e5/0xe70 net/sched/sch_generic.c:1375", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "Oracle-Linux-7:bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-37752" } ], "release_date": "2025-05-01T00:00:00", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "Oracle-Linux-7:bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64", "Oracle-Linux-7:kernel-uek-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els3.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Medium" } ] } ] }