CVE-2025-38117— Linux kernel 安全漏洞
一分钟漏洞结论
影响对象
Linux Linux
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于Bluetooth MGMT未保护mgmt_pending列表，可能导致空指针取消引用。
可能的 ATT&CK 技术 1 AI
T1068 · Exploitation for Privilege Escalation影响版本矩阵 12
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | a380b6cff1a2d2139772e88219d08330f84d0381< 7b5958332f20dc66b19be564c402dbc21b927a81 |
affected |
a380b6cff1a2d2139772e88219d08330f84d0381< bdd56875c6926d8009914f427df71797693e90d4 |
affected | ||
a380b6cff1a2d2139772e88219d08330f84d0381< 4e83f2dbb2bf677e614109df24426c4dded472d4 |
affected | ||
a380b6cff1a2d2139772e88219d08330f84d0381< d7882db79135c829a922daf3571f33ea1e056ae3 |
affected | ||
a380b6cff1a2d2139772e88219d08330f84d0381< 6fe26f694c824b8a4dbf50c635bee1302e3f099c |
affected | ||
4.1 |
affected | ||
< 4.1 |
unaffected | ||
6.1.184≤ 6.1.* |
unaffected | ||
| … +4 条更多 | |||
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一、 漏洞 CVE-2025-38117 基础信息
漏洞信息
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Vulnerability Title
Bluetooth: MGMT: Protect mgmt_pending list with its own lock
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: MGMT: Protect mgmt_pending list with its own lock
This uses a mutex to protect from concurrent access of mgmt_pending
list which can cause crashes like:
==================================================================
BUG: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91
Read of size 2 at addr ffff0000c48885b2 by task syz.4.334/7318
CPU: 0 UID: 0 PID: 7318 Comm: syz.4.334 Not tainted 6.15.0-rc7-syzkaller-g187899f4124a #0 PREEMPT
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call trace:
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
__dump_stack+0x30/0x40 lib/dump_stack.c:94
dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
print_address_description+0xa8/0x254 mm/kasan/report.c:408
print_report+0x68/0x84 mm/kasan/report.c:521
kasan_report+0xb0/0x110 mm/kasan/report.c:634
__asan_report_load2_noabort+0x20/0x2c mm/kasan/report_generic.c:379
hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91
mgmt_pending_find+0x7c/0x140 net/bluetooth/mgmt_util.c:223
pending_find net/bluetooth/mgmt.c:947 [inline]
remove_adv_monitor+0x44/0x1a4 net/bluetooth/mgmt.c:5445
hci_mgmt_cmd+0x780/0xc00 net/bluetooth/hci_sock.c:1712
hci_sock_sendmsg+0x544/0xbb0 net/bluetooth/hci_sock.c:1832
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg net/socket.c:727 [inline]
sock_write_iter+0x25c/0x378 net/socket.c:1131
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x62c/0x97c fs/read_write.c:684
ksys_write+0x120/0x210 fs/read_write.c:736
__do_sys_write fs/read_write.c:747 [inline]
__se_sys_write fs/read_write.c:744 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:744
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767
el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Allocated by task 7037:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x40/0x78 mm/kasan/common.c:68
kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:562
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4327 [inline]
__kmalloc_noprof+0x2fc/0x4c8 mm/slub.c:4339
kmalloc_noprof include/linux/slab.h:909 [inline]
sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:2198
sk_alloc+0x44/0x3ac net/core/sock.c:2254
bt_sock_alloc+0x4c/0x300 net/bluetooth/af_bluetooth.c:148
hci_sock_create+0xa8/0x194 net/bluetooth/hci_sock.c:2202
bt_sock_create+0x14c/0x24c net/bluetooth/af_bluetooth.c:132
__sock_create+0x43c/0x91c net/socket.c:1541
sock_create net/socket.c:1599 [inline]
__sys_socket_create net/socket.c:1636 [inline]
__sys_socket+0xd4/0x1c0 net/socket.c:1683
__do_sys_socket net/socket.c:1697 [inline]
__se_sys_socket net/socket.c:1695 [inline]
__arm64_sys_socket+0x7c/0x94 net/socket.c:1695
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767
el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Freed by task 6607:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x40/0x78 mm/kasan/common.c:68
kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x68/0x88 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline
---truncated---
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于Bluetooth MGMT未保护mgmt_pending列表，可能导致空指针取消引用。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2025-38117 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2025-38117 补丁与修复 (1)
同批安全公告 · Linux · 2025-07-03 · 共 78 条
| CVE-2025-38123 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-38139 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-38120 | 9.4 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-38146 | 9.4 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-38141 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38168 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38162 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38154 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38106 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38150 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38108 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38110 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38111 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38107 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38116 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38115 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38118 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38133 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38129 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-38127 | 7.8 HIGH | Linux kernel 安全漏洞 |
显示前 20 条，共 78 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2025-38117
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