CVE-2025-38126

一、漏洞信息
 漏洞编号：[CVE-2025-38126](https://nvd.nist.gov/vuln/detail/CVE-2025-38126)
 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:net: stmmac: make sure that ptp_rate is not 0 before configuring timestampingThe stmmac platform drivers that do not open-code the clk_ptp_rate valueafter having retrieved the default one from the device-tree can end upwith 0 in clk_ptp_rate (as clk_get_rate can return 0). It willeventually propagate up to PTP initialization when bringing up theinterface, leading to a divide by 0: Division by zero in kernel. CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.30-00001-g48313bd5768a #22 Hardware name: STM32 (Device Tree Support) Call trace:  unwind_backtrace from show_stack+0x18/0x1c  show_stack from dump_stack_lvl+0x6c/0x8c  dump_stack_lvl from Ldiv0_64+0x8/0x18  Ldiv0_64 from stmmac_init_tstamp_counter+0x190/0x1a4  stmmac_init_tstamp_counter from stmmac_hw_setup+0xc1c/0x111c  stmmac_hw_setup from __stmmac_open+0x18c/0x434  __stmmac_open from stmmac_open+0x3c/0xbc  stmmac_open from __dev_open+0xf4/0x1ac  __dev_open from __dev_change_flags+0x1cc/0x224  __dev_change_flags from dev_change_flags+0x24/0x60  dev_change_flags from ip_auto_config+0x2e8/0x11a0  ip_auto_config from do_one_initcall+0x84/0x33c  do_one_initcall from kernel_init_freeable+0x1b8/0x214  kernel_init_freeable from kernel_init+0x24/0x140  kernel_init from ret_from_fork+0x14/0x28 Exception stack(0xe0815fb0 to 0xe0815ff8)Prevent this division by 0 by adding an explicit check and error logabout the actual issue. While at it, remove the same check fromstmmac_ptp_register, which then becomes duplicate
 漏洞公开时间：2025-07-03 17:15:26
 漏洞创建时间：2025-07-03 18:17:08
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2025-38126
<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/030ce919e114a111e83b7976ecb3597cefd33f26 |  |
|  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  |
|  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  |
|  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  |
|  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  |
|  | https://security-tracker.debian.org/tracker/CVE-2025-38126 |  |
|  | https://www.cve.org/CVERecord?id=CVE-2025-38126 |  |
|  | https://nvd.nist.gov/vuln/detail/CVE-2025-38126 |  |
|  | https://lore.kernel.org/linux-cve-announce/2025070329-CVE-2025-38126-3c9b@gregkh/T |  |
|  | https://bugzilla.redhat.com/show_bug.cgi?id=2376045 |  |
|  | https://bugzilla.redhat.com/show_bug.cgi?id=2376045 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-38126 |  |
|  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  |
|  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  |
|  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  |
|  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  |
|  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  |
|  | https://www.cve.org/CVERecord?id=CVE-2025-38126 |  |
|  | https://nvd.nist.gov/vuln/detail/CVE-2025-38126 |  |
|  | https://lore.kernel.org/linux-cve-announce/2025070329-CVE-2025-38126-3c9b@gregkh/T |  |
|  | https://bugzilla.redhat.com/show_bug.cgi?id=2376045 |  |
|  | https://www.suse.com/security/cve/CVE-2025-38126.html |  |
|  | https://bugzilla.suse.com/1245708 |  |
|  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  |
|  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  |
|  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  |
|  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  |
|  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  |
|  | https://www.suse.com/security/cve/CVE-2025-38126.html |  |
|  | https://bugzilla.suse.com/1245708 |  |
|  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  |
|  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  |
|  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  |
|  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  |
|  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  |
|  | https://www.suse.com/security/cve/CVE-2025-38126.html |  |
|  | https://bugzilla.suse.com/1245708 |  |
|  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  |
|  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  |
|  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  |
|  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  |
|  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  |
|  | https://www.suse.com/security/cve/CVE-2025-38126.html |  |
|  | https://bugzilla.suse.com/1245708 |  |
|  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  |
|  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  |
|  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  |
|  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  |
|  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  |
|  | https://www.suse.com/security/cve/CVE-2025-38126.html |  |
|  | https://bugzilla.suse.com/1245708 |  |
|  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  |
|  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  |
|  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  |
|  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  |
|  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  |
|  | https://advisory.echohq.com/cve/CVE-2025-38126 |  |
|  | https://security-tracker.debian.org/tracker/CVE-2025-38126 |  |
|  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  |
|  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  |
|  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  |
|  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  |
|  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  |

</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/030ce919e114a111e83b7976ecb3597cefd33f26.patch |  | ljqc |
|  |  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  | nvd |
|  |  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  | nvd |
|  |  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  | nvd |
|  |  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  | nvd |
|  |  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  | nvd |
|  |  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  | cvelistv5 |
|  |  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  | cvelistv5 |
|  |  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  | cvelistv5 |
|  |  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  | cvelistv5 |
|  |  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  | cvelistv5 |
|  |  | https://git.kernel.org/stable/c/030ce919e114a111e83b7976ecb3597cefd33f26 |  | snyk |
|  |  | https://git.kernel.org/stable/c/32af9c289234990752281c805500dfe03c5b2b8f |  | snyk |
|  |  | https://git.kernel.org/stable/c/379cd990dfe752b38fcf46034698a9a150626c7a |  | snyk |
|  |  | https://git.kernel.org/stable/c/b263088ee8ab14563817a8be3519af8e25225793 |  | snyk |
|  |  | https://git.kernel.org/stable/c/bb033c6781ce1b0264c3993b767b4aa9021959c2 |  | snyk |

</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:net: stmmac: make sure that ptp_rate is not 0 before configuring timestampingThe stmmac platform drivers that do not open-code the clk_ptp_rate valueafter having retrieved the default one from the device-tree can end upwith 0 in clk_ptp_rate (as clk_get_rate can return 0). It willeventually propagate up to PTP initialization when bringing up theinterface, leading to a divide by 0: Division by zero in kernel. CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.30-00001-g48313bd5768a #22 Hardware name: STM32 (Device Tree Support) Call trace:  unwind_backtrace from show_stack+0x18/0x1c  show_stack from dump_stack_lvl+0x6c/0x8c  dump_stack_lvl from Ldiv0_64+0x8/0x18  Ldiv0_64 from stmmac_init_tstamp_counter+0x190/0x1a4  stmmac_init_tstamp_counter from stmmac_hw_setup+0xc1c/0x111c  stmmac_hw_setup from __stmmac_open+0x18c/0x434  __stmmac_open from stmmac_open+0x3c/0xbc  stmmac_open from __dev_open+0xf4/0x1ac  __dev_open from __dev_change_flags+0x1cc/0x224  __dev_change_flags from dev_change_flags+0x24/0x60  dev_change_flags from ip_auto_config+0x2e8/0x11a0  ip_auto_config from do_one_initcall+0x84/0x33c  do_one_initcall from kernel_init_freeable+0x1b8/0x214  kernel_init_freeable from kernel_init+0x24/0x140  kernel_init from ret_from_fork+0x14/0x28 Exception stack(0xe0815fb0 to 0xe0815ff8)Prevent this division by 0 by adding an explicit check and error logabout the actual issue. While at it, remove the same check fromstmmac_ptp_register, which then becomes duplicateThe Linux kernel CVE team has assigned CVE-2025-38126 to this issue.
 openEuler评分：
  4.8
 Vector：CVSS：3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
 受影响版本排查(受影响/不受影响)：
  1.openEuler-20.03-LTS-SP4(4.19.90):受影响
2.openEuler-22.03-LTS-SP3(5.10.0):受影响
3.openEuler-22.03-LTS-SP4(5.10.0):受影响
4.master(6.12.33):不受影响
5.openEuler-24.03-LTS:不受影响
6.openEuler-24.03-LTS-Next:不受影响
7.openEuler-24.03-LTS-SP1:不受影响
8.openEuler-24.03-LTS-SP2: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:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-24.03-LTS-SP1:否
8.openEuler-24.03-LTS-SP2:否

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

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