{ "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-2025-21877-els_os-oraclelinux7els.json" } ], "title": "Security update on CVE-2025-21877", "tracking": { "current_release_date": "2025-12-23T22:15:38Z", "generator": { "date": "2025-12-23T22:15:38Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2025-21877-ELS_OS-ORACLELINUX7ELS", "initial_release_date": "2025-03-27T00:00:00Z", "revision_history": [ { "date": "2025-03-27T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-05-19T15:28:04Z", "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.els1.x86_64", "product": { "name": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/bpftool@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product": { "name": "kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-uek-tools@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product": { "name": "kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-uek-container@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product": { "name": "kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-uek@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product": { "name": "kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-uek-devel@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product": { "name": "python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/python-perf@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product": { "name": "perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/perf@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product": { "name": "kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-uek-headers@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product": { "name": "kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-uek-debug-devel@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } }, { "category": "product_version", "name": "kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product": { "name": "kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_id": "kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "product_identification_helper": { "purl": "pkg:rpm/tuxcare/kernel-uek-container-debug@5.4.17-2136.338.4.2.el7uek.tuxcare.els1?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" }, "product_reference": "kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "relates_to_product_reference": "Oracle-Linux-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-21877", "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\nusbnet: gl620a: fix endpoint checking in genelink_bind()\nSyzbot reports [1] a warning in usb_submit_urb() triggered by\ninconsistencies between expected and actually present endpoints\nin gl620a driver. Since genelink_bind() does not properly\nverify whether specified eps are in fact provided by the device,\nin this case, an artificially manufactured one, one may get a\nmismatch.\nFix the issue by resorting to a usbnet utility function\nusbnet_get_endpoints(), usually reserved for this very problem.\nCheck for endpoints and return early before proceeding further if\nany are missing.\n[1] Syzbot report:\nusb 5-1: Manufacturer: syz\nusb 5-1: SerialNumber: syz\nusb 5-1: config 0 descriptor??\ngl620a 5-1:0.23 usb0: register 'gl620a' at usb-dummy_hcd.0-1, ...\n------------[ cut here ]------------\nusb 5-1: BOGUS urb xfer, pipe 3 != type 1\nWARNING: CPU: 2 PID: 1841 at drivers/usb/core/urb.c:503 usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503\nModules linked in:\nCPU: 2 UID: 0 PID: 1841 Comm: kworker/2:2 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nWorkqueue: mld mld_ifc_work\nRIP: 0010:usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503\n...\nCall Trace:\n\nusbnet_start_xmit+0x6be/0x2780 drivers/net/usb/usbnet.c:1467\n__netdev_start_xmit include/linux/netdevice.h:5002 [inline]\nnetdev_start_xmit include/linux/netdevice.h:5011 [inline]\nxmit_one net/core/dev.c:3590 [inline]\ndev_hard_start_xmit+0x9a/0x7b0 net/core/dev.c:3606\nsch_direct_xmit+0x1ae/0xc30 net/sched/sch_generic.c:343\n__dev_xmit_skb net/core/dev.c:3827 [inline]\n__dev_queue_xmit+0x13d4/0x43e0 net/core/dev.c:4400\ndev_queue_xmit include/linux/netdevice.h:3168 [inline]\nneigh_resolve_output net/core/neighbour.c:1514 [inline]\nneigh_resolve_output+0x5bc/0x950 net/core/neighbour.c:1494\nneigh_output include/net/neighbour.h:539 [inline]\nip6_finish_output2+0xb1b/0x2070 net/ipv6/ip6_output.c:141\n__ip6_finish_output net/ipv6/ip6_output.c:215 [inline]\nip6_finish_output+0x3f9/0x1360 net/ipv6/ip6_output.c:226\nNF_HOOK_COND include/linux/netfilter.h:303 [inline]\nip6_output+0x1f8/0x540 net/ipv6/ip6_output.c:247\ndst_output include/net/dst.h:450 [inline]\nNF_HOOK include/linux/netfilter.h:314 [inline]\nNF_HOOK include/linux/netfilter.h:308 [inline]\nmld_sendpack+0x9f0/0x11d0 net/ipv6/mcast.c:1819\nmld_send_cr net/ipv6/mcast.c:2120 [inline]\nmld_ifc_work+0x740/0xca0 net/ipv6/mcast.c:2651\nprocess_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229\nprocess_scheduled_works kernel/workqueue.c:3310 [inline]\nworker_thread+0x6c8/0xf00 kernel/workqueue.c:3391\nkthread+0x2c1/0x3a0 kernel/kthread.c:389\nret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147\nret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n", "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.els1.x86_64", "Oracle-Linux-7:kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-21877" } ], "release_date": "2025-03-27T00:00:00", "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.els1.x86_64", "Oracle-Linux-7:kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64", "Oracle-Linux-7:kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els1.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Medium" } ] } ] }