CVE-2025-21662

一、漏洞信息
 漏洞编号：[CVE-2025-21662](https://nvd.nist.gov/vuln/detail/CVE-2025-21662)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.1.8,6.4.0,6.6.0
 CVSS V3.0分值：
  BaseScore：5.5 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:net/mlx5: Fix variable not being completed when function returnsWhen cmd_alloc_index(), fails cmd_work_handler() needsto complete ent->slotted before returning early.Otherwise the task which issued the command may hang:   mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry   INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.         Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1    echo 0 > /proc/sys/kernel/hung_task_timeout_secs  disables this message.   kworker/13:2    D    0 4055883      2 0x00000228   Workqueue: events mlx5e_tx_dim_work [mlx5_core]   Call trace:      __switch_to+0xe8/0x150      __schedule+0x2a8/0x9b8      schedule+0x2c/0x88      schedule_timeout+0x204/0x478      wait_for_common+0x154/0x250      wait_for_completion+0x28/0x38      cmd_exec+0x7a0/0xa00 [mlx5_core]      mlx5_cmd_exec+0x54/0x80 [mlx5_core]      mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]      mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]      mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]      process_one_work+0x1b0/0x448      worker_thread+0x54/0x468      kthread+0x134/0x138      ret_from_fork+0x10/0x18
 漏洞公开时间：2025-01-21 21:15:09
 漏洞创建时间：2025-01-21 21:22:57
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2025-21662
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2025-21662 | https://bugzilla.suse.com/show_bug.cgi?id=1236198 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2025-21662 | https://bugzilla.suse.com/show_bug.cgi?id=1236198 |
| suse_bugzilla | https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647 | https://bugzilla.suse.com/show_bug.cgi?id=1236198 |
| suse_bugzilla | https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8 | https://bugzilla.suse.com/show_bug.cgi?id=1236198 |
| suse_bugzilla | https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d | https://bugzilla.suse.com/show_bug.cgi?id=1236198 |
| suse_bugzilla | https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4 | https://bugzilla.suse.com/show_bug.cgi?id=1236198 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2025/CVE-2025-21662.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1236198 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2025012134-CVE-2025-21662-0c72@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2339138 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2025-21662 |
| mageia |  | http://advisories.mageia.org/MGASA-2025-0030.html |

</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:
  openBrain开源漏洞感知系统
 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  |
| ------- | -------- | ------- | -------- | --------- |
| linux_kernel | 6.1.125 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f0a2808767ac39f64b1d9a0ff865c255073cf3d4Issue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4baae687a20ef2b82fde12de3c04461e6f2521d6 | linuxkernelcves |
| linux_kernel | 6.6.72 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=229cc10284373fbe754e623b7033dca7e7470ec8Issue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4baae687a20ef2b82fde12de3c04461e6f2521d6 | linuxkernelcves |
| linux_kernel | 6.12.10 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=36124081f6ffd9dfaad48830bdf106bb82a9457dIssue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4baae687a20ef2b82fde12de3c04461e6f2521d6 | linuxkernelcves |
| linux_kernel | 6.13 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0e2909c6bec9048f49d0c8e16887c63b50b14647Issue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4baae687a20ef2b82fde12de3c04461e6f2521d6 | linuxkernelcves |

</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/mlx5: Fix variable not being completed when function returnsWhen cmd_alloc_index(), fails cmd_work_handler() needsto complete ent->slotted before returning early.Otherwise the task which issued the command may hang:   mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry   INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.         Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1    echo 0 > /proc/sys/kernel/hung_task_timeout_secs  disables this message.   kworker/13:2    D    0 4055883      2 0x00000228   Workqueue: events mlx5e_tx_dim_work [mlx5_core]   Call trace:      __switch_to+0xe8/0x150      __schedule+0x2a8/0x9b8      schedule+0x2c/0x88      schedule_timeout+0x204/0x478      wait_for_common+0x154/0x250      wait_for_completion+0x28/0x38      cmd_exec+0x7a0/0xa00 [mlx5_core]      mlx5_cmd_exec+0x54/0x80 [mlx5_core]      mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]      mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]      mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]      process_one_work+0x1b0/0x448      worker_thread+0x54/0x468      kthread+0x134/0x138      ret_from_fork+0x10/0x18
 openEuler评分：
  5.5
 Vector：CVSS：3.0/AV:L/AC:L/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-22.03-LTS-SP3(5.10.0):受影响
2.openEuler-22.03-LTS-SP4:受影响
3.openEuler-24.03-LTS(6.6.0):受影响
4.openEuler-24.03-LTS-SP1(6.6.0):受影响
5.openEuler-20.03-LTS-SP4(4.19.90):不受影响
6.master(6.6.0):不受影响
7.openEuler-24.03-LTS-Next(6.6.0):不受影响

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

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

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2025-1321

@yangyingliang ,@jiaoff ,@guohaocs2c ,@hanjun-guo ,@woqidaideshi ,@newbeats ,@zhangyi089 ,@colyli ,@thundertown ,@htforge ,@chiqijun ,@lengchao ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@wkfxxx ,@SuperSix173 ,@jentlestea ,@oskernel0719 ,@gasonchen 
**issue处理注意事项:** 
**1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 否则无法关闭当前issue;**
**2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容,未引入的分支不需要填写, 否则无法关闭当前issue;**
**3. 以下为模板中需要填写完整的内容, 请复制到评论区回复, 注: 内容的标题名称(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否), 原因说明)不能省略,省略后cve-manager将无法正常解析填写内容.**
************************************************************************
影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响): 
1.master(6.6.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP3(5.10.0):
4.openEuler-22.03-LTS-SP4(5.10.0):
5.openEuler-24.03-LTS(6.6.0):
6.openEuler-24.03-LTS-Next(6.6.0):
7.openEuler-24.03-LTS-SP1(6.6.0):

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

原因说明：
1.master(6.6.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP3(5.10.0):
4.openEuler-22.03-LTS-SP4(5.10.0):
5.openEuler-24.03-LTS(6.6.0):
6.openEuler-24.03-LTS-Next(6.6.0):
7.openEuler-24.03-LTS-SP1(6.6.0):

issue处理具体操作请参考: 
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://gitee.com/help/articles/4142

Hi openeuler-ci-bot, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at Here.
If you have any questions, please contact the SIG: Kernel, and any of the maintainers.

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2025-21662	None	None	https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647 https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4 https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8 https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d
https://ubuntu.com/security/CVE-2025-21662	None	None	https://discourse.ubuntu.com/c/project
https://www.opencve.io/cve/CVE-2025-21662	None	None	https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647 https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4 https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8 https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2025-21662
https://security-tracker.debian.org/tracker/CVE-2025-21662

说明：补丁链接仅供初步排查参考，实际可用性请人工再次确认，补丁下载验证可使用CVE补丁工具。
若补丁不准确，烦请在此issue下评论 '/report-patch 参考网址补丁链接1,补丁链接2' 反馈正确信息，便于我们不断优化工具，不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1

CVE-2025-21662

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

net/mlx5: Fix variable not being completed when function returns

When cmd_alloc_index(), fails cmd_work_handler() needs
to complete ent->slotted before returning early.
Otherwise the task which issued the command may hang:

mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry
   INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.
         Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1
   "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
   kworker/13:2    D    0 4055883      2 0x00000228
   Workqueue: events mlx5e_tx_dim_work [mlx5_core]
   Call trace:
      __switch_to+0xe8/0x150
      __schedule+0x2a8/0x9b8
      schedule+0x2c/0x88
      schedule_timeout+0x204/0x478
      wait_for_common+0x154/0x250
      wait_for_completion+0x28/0x38
      cmd_exec+0x7a0/0xa00 [mlx5_core]
      mlx5_cmd_exec+0x54/0x80 [mlx5_core]
      mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]
      mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]
      mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]
      process_one_work+0x1b0/0x448
      worker_thread+0x54/0x468
      kthread+0x134/0x138
      ret_from_fork+0x10/0x18

openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/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:不受影响
2.openEuler-22.03-LTS-SP3:受影响
3.openEuler-22.03-LTS-SP4:受影响
4.master(6.6.0):不受影响
5.openEuler-24.03-LTS:受影响
6.openEuler-24.03-LTS-Next:不受影响
7.openEuler-24.03-LTS-SP1:受影响

原因说明:
1.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
2.openEuler-22.03-LTS-SP3:不修复-超出修复范围
3.openEuler-22.03-LTS-SP4:不修复-超出修复范围
4.master(6.6.0):不受影响-漏洞代码不能被攻击者触发
5.openEuler-24.03-LTS:暂不修复-漏洞仍在分析中
6.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-SP1:暂不修复-漏洞仍在分析中

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP3:否
3.master(23.08.5):否
4.openEuler-24.03-LTS:否
5.openEuler-24.03-LTS-Next:否
6.openEuler-22.03-LTS-SP4:否
7.openEuler-24.03-LTS-SP1:否

@sanglipeng 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态  | 分析项目 | 内容 |
|:--:|:--:|---------|
|已分析|1.影响性分析说明|In the Linux kernel, the following vulnerability has been resolved:net/mlx5: Fix variable not being completed when function returnsWhen cmd_alloc_index(), fails cmd_work_handler() needsto complete ent->slotted before returning early.Otherwise the task which issued the command may hang:   mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry   INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.         Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1   "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.   kworker/13:2    D    0 4055883      2 0x00000228   Workqueue: events mlx5e_tx_dim_work [mlx5_core]   Call trace:      __switch_to+0xe8/0x150      __schedule+0x2a8/0x9b8      schedule+0x2c/0x88      schedule_timeout+0x204/0x478      wait_for_common+0x154/0x250      wait_for_completion+0x28/0x38      cmd_exec+0x7a0/0xa00 [mlx5_core]      mlx5_cmd_exec+0x54/0x80 [mlx5_core]      mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]      mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]      mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]      process_one_work+0x1b0/0x448      worker_thread+0x54/0x468      kthread+0x134/0x138      ret_from_fork+0x10/0x18|
|已分析|2.openEulerScore|5.5|
|已分析|3.openEulerVector|AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H|
|已分析|4.受影响版本排查|openEuler-22.03-LTS-SP3:受影响,openEuler-22.03-LTS-SP4:受影响,openEuler-24.03-LTS:受影响,openEuler-24.03-LTS-SP1:受影响,openEuler-20.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS-Next:不受影响|
|已分析|5.是否涉及abi变化|openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-SP1:否|
|已分析|6.原因说明|openEuler-24.03-LTS:暂不修复-漏洞仍在分析中,openEuler-24.03-LTS-SP1:暂不修复-漏洞仍在分析中,openEuler-22.03-LTS-SP3:不修复-超出修复范围,openEuler-22.03-LTS-SP4:不修复-超出修复范围,master:不受影响-漏洞代码不能被攻击者触发,openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发,openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在|

**请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.**