{ "document": { "aggregate_severity": { "text": "Medium" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "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-2025-38473-els_os-oraclelinux7els.json" } ], "title": "Security update on CVE-2025-38473", "tracking": { "current_release_date": "2025-12-23T22:15:38Z", "generator": { "date": "2025-12-23T22:15:38Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2025-38473-ELS_OS-ORACLELINUX7ELS", "initial_release_date": "2025-07-28T00:00:00Z", "revision_history": [ { "date": "2025-07-28T00:00:00Z", "number": "1", "summary": "Initial version" }, { "date": "2025-11-25T15:54:24Z", "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.els4.x86_64", "product": { "name": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "product_id": "bpftool-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "product_identification_helper": { "purl": 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"product_reference": "kernel-uek-headers-5.4.17-2136.338.4.2.el7uek.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-debug-devel-5.4.17-2136.338.4.2.el7uek.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-debug-devel-5.4.17-2136.338.4.2.el7uek.x86_64" }, "product_reference": "kernel-uek-debug-devel-5.4.17-2136.338.4.2.el7uek.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-container-debug-5.4.17-2136.338.4.2.el7uek.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-container-debug-5.4.17-2136.338.4.2.el7uek.x86_64" }, "product_reference": "kernel-uek-container-debug-5.4.17-2136.338.4.2.el7uek.x86_64", "relates_to_product_reference": "Oracle-Linux-7" }, { "category": "default_component_of", "full_product_name": { "name": "kernel-uek-debug-5.4.17-2136.338.4.2.el7uek.x86_64 as a component of Oracle Linux 7", "product_id": "Oracle-Linux-7:kernel-uek-debug-5.4.17-2136.338.4.2.el7uek.x86_64" }, "product_reference": "kernel-uek-debug-5.4.17-2136.338.4.2.el7uek.x86_64", "relates_to_product_reference": "Oracle-Linux-7" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-38473", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "notes": [ { "category": "description", "text": "In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: Fix null-ptr-deref in l2cap_sock_resume_cb()\nsyzbot reported null-ptr-deref in l2cap_sock_resume_cb(). [0]\nl2cap_sock_resume_cb() has a similar problem that was fixed by commit\n1bff51ea59a9 (\"Bluetooth: fix use-after-free error in lock_sock_nested()\").\nSince both l2cap_sock_kill() and l2cap_sock_resume_cb() are executed\nunder l2cap_sock_resume_cb(), we can avoid the issue simply by checking\nif chan->data is NULL.\nLet's not access to the killed socket in l2cap_sock_resume_cb().\n[0]:\nBUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:82 [inline]\nBUG: KASAN: null-ptr-deref in clear_bit include/asm-generic/bitops/instrumented-atomic.h:41 [inline]\nBUG: KASAN: null-ptr-deref in l2cap_sock_resume_cb+0xb4/0x17c net/bluetooth/l2cap_sock.c:1711\nWrite of size 8 at addr 0000000000000570 by task kworker/u9:0/52\nCPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted 6.16.0-rc4-syzkaller-g7482bb149b9f #0 PREEMPT\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025\nWorkqueue: hci0 hci_rx_work\nCall trace:\nshow_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:501 (C)\n__dump_stack+0x30/0x40 lib/dump_stack.c:94\ndump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120\nprint_report+0x58/0x84 mm/kasan/report.c:524\nkasan_report+0xb0/0x110 mm/kasan/report.c:634\ncheck_region_inline mm/kasan/generic.c:-1 [inline]\nkasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189\n__kasan_check_write+0x20/0x30 mm/kasan/shadow.c:37\ninstrument_atomic_write include/linux/instrumented.h:82 [inline]\nclear_bit include/asm-generic/bitops/instrumented-atomic.h:41 [inline]\nl2cap_sock_resume_cb+0xb4/0x17c net/bluetooth/l2cap_sock.c:1711\nl2cap_security_cfm+0x524/0xea0 net/bluetooth/l2cap_core.c:7357\nhci_auth_cfm include/net/bluetooth/hci_core.h:2092 [inline]\nhci_auth_complete_evt+0x2e8/0xa4c net/bluetooth/hci_event.c:3514\nhci_event_func net/bluetooth/hci_event.c:7511 [inline]\nhci_event_packet+0x650/0xe9c net/bluetooth/hci_event.c:7565\nhci_rx_work+0x320/0xb18 net/bluetooth/hci_core.c:4070\nprocess_one_work+0x7e8/0x155c kernel/workqueue.c:3238\nprocess_scheduled_works kernel/workqueue.c:3321 [inline]\nworker_thread+0x958/0xed8 kernel/workqueue.c:3402\nkthread+0x5fc/0x75c kernel/kthread.c:464\nret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847", "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.els4.x86_64", "Oracle-Linux-7:kernel-uek-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "Oracle-Linux-7:kernel-uek-container-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "Oracle-Linux-7:kernel-uek-container-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "Oracle-Linux-7:kernel-uek-debug-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "Oracle-Linux-7:kernel-uek-debug-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "Oracle-Linux-7:kernel-uek-devel-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "Oracle-Linux-7:kernel-uek-headers-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "Oracle-Linux-7:kernel-uek-tools-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "Oracle-Linux-7:perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64", "Oracle-Linux-7:python-perf-0:5.4.17-2136.338.4.2.el7uek.tuxcare.els4.x86_64" ], "known_affected": [ "Oracle-Linux-7:bpftool-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-container-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-container-debug-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-debug-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-debug-devel-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-devel-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-headers-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-tools-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:perf-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:python-perf-5.4.17-2136.338.4.2.el7uek.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-38473" } ], "release_date": "2025-07-28T00:00:00Z", "remediations": [ { "category": "none_available", "details": "Affected", "product_ids": [ "Oracle-Linux-7:bpftool-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-container-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-container-debug-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-debug-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-debug-devel-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-devel-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-headers-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:kernel-uek-tools-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:perf-5.4.17-2136.338.4.2.el7uek.x86_64", "Oracle-Linux-7:python-perf-5.4.17-2136.338.4.2.el7uek.x86_64" ] } ], "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.els4.x86_64", 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