CVE-2025-38176

一、漏洞信息
 漏洞编号：[CVE-2025-38176](https://nvd.nist.gov/vuln/detail/CVE-2025-38176)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.4.0,6.6.0
 CVSS V3.0分值：
  BaseScore：N/A None
  Vector：CVSS：3.0/
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:binder: fix use-after-free in binderfs_evict_inode()Running  stress-ng --binderfs 16 --timeout 300  under KASAN-enabledkernel, I ve noticed the following:BUG: KASAN: slab-use-after-free in binderfs_evict_inode+0x1de/0x2d0Write of size 8 at addr ffff88807379bc08 by task stress-ng-binde/1699CPU: 0 UID: 0 PID: 1699 Comm: stress-ng-binde Not tainted 6.14.0-rc7-g586de92313fc-dirty #13Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-3.fc41 04/01/2014Call Trace: <TASK> dump_stack_lvl+0x1c2/0x2a0 ? __pfx_dump_stack_lvl+0x10/0x10 ? __pfx__printk+0x10/0x10 ? __pfx_lock_release+0x10/0x10 ? __virt_addr_valid+0x18c/0x540 ? __virt_addr_valid+0x469/0x540 print_report+0x155/0x840 ? __virt_addr_valid+0x18c/0x540 ? __virt_addr_valid+0x469/0x540 ? __phys_addr+0xba/0x170 ? binderfs_evict_inode+0x1de/0x2d0 kasan_report+0x147/0x180 ? binderfs_evict_inode+0x1de/0x2d0 binderfs_evict_inode+0x1de/0x2d0 ? __pfx_binderfs_evict_inode+0x10/0x10 evict+0x524/0x9f0 ? __pfx_lock_release+0x10/0x10 ? __pfx_evict+0x10/0x10 ? do_raw_spin_unlock+0x4d/0x210 ? _raw_spin_unlock+0x28/0x50 ? iput+0x697/0x9b0 __dentry_kill+0x209/0x660 ? shrink_kill+0x8d/0x2c0 shrink_kill+0xa9/0x2c0 shrink_dentry_list+0x2e0/0x5e0 shrink_dcache_parent+0xa2/0x2c0 ? __pfx_shrink_dcache_parent+0x10/0x10 ? __pfx_lock_release+0x10/0x10 ? __pfx_do_raw_spin_lock+0x10/0x10 do_one_tree+0x23/0xe0 shrink_dcache_for_umount+0xa0/0x170 generic_shutdown_super+0x67/0x390 kill_litter_super+0x76/0xb0 binderfs_kill_super+0x44/0x90 deactivate_locked_super+0xb9/0x130 cleanup_mnt+0x422/0x4c0 ? lockdep_hardirqs_on+0x9d/0x150 task_work_run+0x1d2/0x260 ? __pfx_task_work_run+0x10/0x10 resume_user_mode_work+0x52/0x60 syscall_exit_to_user_mode+0x9a/0x120 do_syscall_64+0x103/0x210 ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 entry_SYSCALL_64_after_hwframe+0x77/0x7fRIP: 0033:0xcac57bCode: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8RSP: 002b:00007ffecf4226a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6RAX: 0000000000000000 RBX: 00007ffecf422720 RCX: 0000000000cac57bRDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffecf422850RBP: 00007ffecf422850 R08: 0000000028d06ab1 R09: 7fffffffffffffffR10: 3fffffffffffffff R11: 0000000000000246 R12: 00007ffecf422718R13: 00007ffecf422710 R14: 00007f478f87b658 R15: 00007ffecf422830 </TASK>Allocated by task 1705: kasan_save_track+0x3e/0x80 __kasan_kmalloc+0x8f/0xa0 __kmalloc_cache_noprof+0x213/0x3e0 binderfs_binder_device_create+0x183/0xa80 binder_ctl_ioctl+0x138/0x190 __x64_sys_ioctl+0x120/0x1b0 do_syscall_64+0xf6/0x210 entry_SYSCALL_64_after_hwframe+0x77/0x7fFreed by task 1705: kasan_save_track+0x3e/0x80 kasan_save_free_info+0x46/0x50 __kasan_slab_free+0x62/0x70 kfree+0x194/0x440 evict+0x524/0x9f0 do_unlinkat+0x390/0x5b0 __x64_sys_unlink+0x47/0x50 do_syscall_64+0xf6/0x210 entry_SYSCALL_64_after_hwframe+0x77/0x7fThis  stress-ng  workload causes the concurrent deletions from binder_devices  and so requires full-featured synchronizationto prevent list corruption.I ve found this issue independently but pretty sure that syzbot didthe same, so Reported-by: and Closes: should be applicable here as well.
 漏洞公开时间：2025-07-04 19:15:51
 漏洞创建时间：2025-07-04 19:52:16
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2025-38176
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
|  | https://git.kernel.org/stable/c/80ed8ab8efa0d18c03968a2321154f10e2d1a2e3 |  |
|  | https://git.kernel.org/stable/c/8c0a559825281764061a127632e5ad273f0466ad |  |
|  | https://git.kernel.org/stable/c/aea61a1a77613d4184d7ebe7c1d7cb606458b43b |  |
|  | https://www.cve.org/CVERecord?id=CVE-2025-38176 |  |
|  | https://nvd.nist.gov/vuln/detail/CVE-2025-38176 |  |
|  | https://lore.kernel.org/linux-cve-announce/2025070402-CVE-2025-38176-c4b2@gregkh/T |  |
|  | https://bugzilla.redhat.com/show_bug.cgi?id=2376303 |  |
|  | https://git.kernel.org/stable/c/80ed8ab8efa0d18c03968a2321154f10e2d1a2e3 |  |
|  | https://git.kernel.org/stable/c/aea61a1a77613d4184d7ebe7c1d7cb606458b43b |  |
|  | https://git.kernel.org/stable/c/8c0a559825281764061a127632e5ad273f0466ad |  |
|  | https://www.cve.org/CVERecord?id=CVE-2025-38176 |  |
|  | https://nvd.nist.gov/vuln/detail/CVE-2025-38176 |  |
|  | https://lore.kernel.org/linux-cve-announce/2025070402-CVE-2025-38176-c4b2@gregkh/T |  |
|  | https://bugzilla.redhat.com/show_bug.cgi?id=2376303 |  |

</details>

漏洞分析指导链接：
  https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
 漏洞数据来源:
  七彩瞬析开源风险感知平台
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源  |
| ------- | -------- | ------- | -------- | --------- |
| gregkh/linux |  | https://github.com/gregkh/linux/commit/80ed8ab8efa0d18c03968a2321154f10e2d1a2e3.patch |  | ljqc |
|  |  | https://git.kernel.org/stable/c/80ed8ab8efa0d18c03968a2321154f10e2d1a2e3 |  | nvd |
|  |  | https://git.kernel.org/stable/c/8c0a559825281764061a127632e5ad273f0466ad |  | nvd |
|  |  | https://git.kernel.org/stable/c/aea61a1a77613d4184d7ebe7c1d7cb606458b43b |  | nvd |
|  |  | https://git.kernel.org/stable/c/80ed8ab8efa0d18c03968a2321154f10e2d1a2e3 |  | cvelistv5 |
|  |  | https://git.kernel.org/stable/c/aea61a1a77613d4184d7ebe7c1d7cb606458b43b |  | cvelistv5 |
|  |  | https://git.kernel.org/stable/c/8c0a559825281764061a127632e5ad273f0466ad |  | cvelistv5 |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  In the Linux kernel, the following vulnerability has been resolved:binder: fix use-after-free in binderfs_evict_inode()Running &#39;stress-ng --binderfs 16 --timeout 300&#39; under KASAN-enabledkernel, I&#39;ve noticed the following:BUG: KASAN: slab-use-after-free in binderfs_evict_inode+0x1de/0x2d0Write of size 8 at addr ffff88807379bc08 by task stress-ng-binde/1699CPU: 0 UID: 0 PID: 1699 Comm: stress-ng-binde Not tainted 6.14.0-rc7-g586de92313fc-dirty #13Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-3.fc41 04/01/2014Call Trace: &lt;TASK&gt; dump_stack_lvl+0x1c2/0x2a0 ? __pfx_dump_stack_lvl+0x10/0x10 ? __pfx__printk+0x10/0x10 ? __pfx_lock_release+0x10/0x10 ? __virt_addr_valid+0x18c/0x540 ? __virt_addr_valid+0x469/0x540 print_report+0x155/0x840 ? __virt_addr_valid+0x18c/0x540 ? __virt_addr_valid+0x469/0x540 ? __phys_addr+0xba/0x170 ? binderfs_evict_inode+0x1de/0x2d0 kasan_report+0x147/0x180 ? binderfs_evict_inode+0x1de/0x2d0 binderfs_evict_inode+0x1de/0x2d0 ? __pfx_binderfs_evict_inode+0x10/0x10 evict+0x524/0x9f0 ? __pfx_lock_release+0x10/0x10 ? __pfx_evict+0x10/0x10 ? do_raw_spin_unlock+0x4d/0x210 ? _raw_spin_unlock+0x28/0x50 ? iput+0x697/0x9b0 __dentry_kill+0x209/0x660 ? shrink_kill+0x8d/0x2c0 shrink_kill+0xa9/0x2c0 shrink_dentry_list+0x2e0/0x5e0 shrink_dcache_parent+0xa2/0x2c0 ? __pfx_shrink_dcache_parent+0x10/0x10 ? __pfx_lock_release+0x10/0x10 ? __pfx_do_raw_spin_lock+0x10/0x10 do_one_tree+0x23/0xe0 shrink_dcache_for_umount+0xa0/0x170 generic_shutdown_super+0x67/0x390 kill_litter_super+0x76/0xb0 binderfs_kill_super+0x44/0x90 deactivate_locked_super+0xb9/0x130 cleanup_mnt+0x422/0x4c0 ? lockdep_hardirqs_on+0x9d/0x150 task_work_run+0x1d2/0x260 ? __pfx_task_work_run+0x10/0x10 resume_user_mode_work+0x52/0x60 syscall_exit_to_user_mode+0x9a/0x120 do_syscall_64+0x103/0x210 ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 entry_SYSCALL_64_after_hwframe+0x77/0x7fRIP: 0033:0xcac57bCode: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8RSP: 002b:00007ffecf4226a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6RAX: 0000000000000000 RBX: 00007ffecf422720 RCX: 0000000000cac57bRDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffecf422850RBP: 00007ffecf422850 R08: 0000000028d06ab1 R09: 7fffffffffffffffR10: 3fffffffffffffff R11: 0000000000000246 R12: 00007ffecf422718R13: 00007ffecf422710 R14: 00007f478f87b658 R15: 00007ffecf422830 &lt;/TASK&gt;Allocated by task 1705: kasan_save_track+0x3e/0x80 __kasan_kmalloc+0x8f/0xa0 __kmalloc_cache_noprof+0x213/0x3e0 binderfs_binder_device_create+0x183/0xa80 binder_ctl_ioctl+0x138/0x190 __x64_sys_ioctl+0x120/0x1b0 do_syscall_64+0xf6/0x210 entry_SYSCALL_64_after_hwframe+0x77/0x7fFreed by task 1705: kasan_save_track+0x3e/0x80 kasan_save_free_info+0x46/0x50 __kasan_slab_free+0x62/0x70 kfree+0x194/0x440 evict+0x524/0x9f0 do_unlinkat+0x390/0x5b0 __x64_sys_unlink+0x47/0x50 do_syscall_64+0xf6/0x210 entry_SYSCALL_64_after_hwframe+0x77/0x7fThis &#39;stress-ng&#39; workload causes the concurrent deletions from&#39;binder_devices&#39; and so requires full-featured synchronizationto prevent list corruption.I&#39;ve found this issue independently but pretty sure that syzbot didthe same, so Reported-by: and Closes: should be applicable here as well.The Linux kernel CVE team has assigned CVE-2025-38176 to this issue.
 openEuler评分：
  3.9
 Vector：CVSS：3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
 受影响版本排查(受影响/不受影响)：
  1.master(6.12.33):不受影响
2.openEuler-20.03-LTS-SP4(4.19.90):不受影响
3.openEuler-22.03-LTS-SP3(5.10.0):不受影响
4.openEuler-22.03-LTS-SP4(5.10.0):不受影响
5.openEuler-24.03-LTS(6.6.0):不受影响
6.openEuler-24.03-LTS-Next(6.6.0):不受影响
7.openEuler-24.03-LTS-SP1(6.6.0):不受影响
8.openEuler-24.03-LTS-SP2(6.6.0):不受影响

修复是否涉及abi变化(是/否)：
  1.master(6.12.33):否
2.openEuler-20.03-LTS-SP4(4.19.90):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.openEuler-22.03-LTS-SP4(5.10.0):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-24.03-LTS-SP1(6.6.0):否
8.openEuler-24.03-LTS-SP2(6.6.0):否

原因说明：
  1.master(6.12.33):不受影响-漏洞代码不能被攻击者触发
2.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发
3.openEuler-20.03-LTS-SP4(4.19.90):不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响-漏洞代码不存在
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响-漏洞代码不存在
6.openEuler-24.03-LTS(6.6.0):不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-SP1(6.6.0):不受影响-漏洞代码不存在
8.openEuler-24.03-LTS-SP2(6.6.0):不受影响-漏洞代码不存在

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