CVE-2024-50075

一、漏洞信息
 漏洞编号：[CVE-2024-50075](https://nvd.nist.gov/vuln/detail/CVE-2024-50075)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0
 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:xhci: tegra: fix checked USB2 port numberIf USB virtualizatoin is enabled, USB2 ports are shared between allVirtual Functions. The USB2 port number owned by an USB2 root hub ina Virtual Function may be less than total USB2 phy number supportedby the Tegra XUSB controller.Using total USB2 phy number as port number to check all PORTSC valueswould cause invalid memory access.[  116.923438] Unable to handle kernel paging request at virtual address 006c622f7665642f...[  117.213640] Call trace:[  117.216783]  tegra_xusb_enter_elpg+0x23c/0x658[  117.222021]  tegra_xusb_runtime_suspend+0x40/0x68[  117.227260]  pm_generic_runtime_suspend+0x30/0x50[  117.232847]  __rpm_callback+0x84/0x3c0[  117.237038]  rpm_suspend+0x2dc/0x740[  117.241229] pm_runtime_work+0xa0/0xb8[  117.245769]  process_scheduled_works+0x24c/0x478[  117.251007]  worker_thread+0x23c/0x328[  117.255547]  kthread+0x104/0x1b0[  117.259389]  ret_from_fork+0x10/0x20[  117.263582] Code: 54000222 f9461ae8 f8747908 b4ffff48 (f9400100)
 漏洞公开时间：2024-10-29 09:15:04
 漏洞创建时间：2024-10-29 09:28:49
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-50075
<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/7d381137cb6ecf558ef6698c7730ddd482d4c8f2 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/9c696bf4ab54c7cec81221887564305f0ceeac0a |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/c46555f14b71f95a447f5d49fc3f1f80a1472da2 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-50075 | https://bugzilla.suse.com/show_bug.cgi?id=1232506 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-50075 | https://bugzilla.suse.com/show_bug.cgi?id=1232506 |
| suse_bugzilla | https://git.kernel.org/stable/c/7d381137cb6ecf558ef6698c7730ddd482d4c8f2 | https://bugzilla.suse.com/show_bug.cgi?id=1232506 |
| suse_bugzilla | https://git.kernel.org/stable/c/9c696bf4ab54c7cec81221887564305f0ceeac0a | https://bugzilla.suse.com/show_bug.cgi?id=1232506 |
| suse_bugzilla | https://git.kernel.org/stable/c/c46555f14b71f95a447f5d49fc3f1f80a1472da2 | https://bugzilla.suse.com/show_bug.cgi?id=1232506 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-50075.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1232506 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024102935-CVE-2024-50075-81b7@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2322320 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-50075 |
| cve_search |  | https://git.kernel.org/stable/c/9c696bf4ab54c7cec81221887564305f0ceeac0a |
| cve_search |  | https://git.kernel.org/stable/c/c46555f14b71f95a447f5d49fc3f1f80a1472da2 |
| cve_search |  | https://git.kernel.org/stable/c/7d381137cb6ecf558ef6698c7730ddd482d4c8f2 |

</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  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | https://git.kernel.org/stable/c/7d381137cb6ecf558ef6698c7730ddd482d4c8f2 |  | nvd |
|  |  | https://git.kernel.org/stable/c/9c696bf4ab54c7cec81221887564305f0ceeac0a |  | nvd |
|  |  | https://git.kernel.org/stable/c/c46555f14b71f95a447f5d49fc3f1f80a1472da2 |  | nvd |

</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:xhci: tegra: fix checked USB2 port numberIf USB virtualizatoin is enabled, USB2 ports are shared between allVirtual Functions. The USB2 port number owned by an USB2 root hub ina Virtual Function may be less than total USB2 phy number supportedby the Tegra XUSB controller.Using total USB2 phy number as port number to check all PORTSC valueswould cause invalid memory access.[  116.923438] Unable to handle kernel paging request at virtual address 006c622f7665642f...[  117.213640] Call trace:[  117.216783]  tegra_xusb_enter_elpg+0x23c/0x658[  117.222021]  tegra_xusb_runtime_suspend+0x40/0x68[  117.227260]  pm_generic_runtime_suspend+0x30/0x50[  117.232847]  __rpm_callback+0x84/0x3c0[  117.237038]  rpm_suspend+0x2dc/0x740[  117.241229] pm_runtime_work+0xa0/0xb8[  117.245769]  process_scheduled_works+0x24c/0x478[  117.251007]  worker_thread+0x23c/0x328[  117.255547]  kthread+0x104/0x1b0[  117.259389]  ret_from_fork+0x10/0x20[  117.263582] Code: 54000222 f9461ae8 f8747908 b4ffff48 (f9400100)The Linux kernel CVE team has assigned CVE-2024-50075 to this issue.
 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-24.03-LTS(6.6.0):受影响
2.openEuler-24.03-LTS-SP1:受影响
3.openEuler-20.03-LTS-SP4(4.19.90):不受影响
4.openEuler-22.03-LTS-SP1(5.10.0):不受影响
5.openEuler-22.03-LTS-SP3(5.10.0):不受影响
6.openEuler-22.03-LTS-SP4(5.10.0):不受影响
7.master(6.6.0):不受影响
8.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-SP1(5.10.0):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.master(6.6.0):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-22.03-LTS-SP4(5.10.0):否
8.openEuler-24.03-LTS-SP1:否

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

@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-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(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-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(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-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(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

CVE-2024-50075

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

xhci: tegra: fix checked USB2 port number

If USB virtualizatoin is enabled, USB2 ports are shared between all
Virtual Functions. The USB2 port number owned by an USB2 root hub in
a Virtual Function may be less than total USB2 phy number supported
by the Tegra XUSB controller.

Using total USB2 phy number as port number to check all PORTSC values
would cause invalid memory access.

[  116.923438] Unable to handle kernel paging request at virtual address 006c622f7665642f
...
[  117.213640] Call trace:
[  117.216783]  tegra_xusb_enter_elpg+0x23c/0x658
[  117.222021]  tegra_xusb_runtime_suspend+0x40/0x68
[  117.227260]  pm_generic_runtime_suspend+0x30/0x50
[  117.232847]  __rpm_callback+0x84/0x3c0
[  117.237038]  rpm_suspend+0x2dc/0x740
[  117.241229] pm_runtime_work+0xa0/0xb8
[  117.245769]  process_scheduled_works+0x24c/0x478
[  117.251007]  worker_thread+0x23c/0x328
[  117.255547]  kthread+0x104/0x1b0
[  117.259389]  ret_from_fork+0x10/0x20
[  117.263582] Code: 54000222 f9461ae8 f8747908 b4ffff48 (f9400100)

The Linux kernel CVE team has assigned CVE-2024-50075 to this issue.

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-SP1:不受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.1.0):不受影响
6.openEuler-24.03-LTS:受影响
7.openEuler-24.03-LTS-Next:不受影响
8.openEuler-24.03-LTS-SP1:受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(6.1.0):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否
8.openEuler-24.03-LTS-SP1:否

原因说明：
1.master(23.08.5):不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP1:不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP3:不受影响-漏洞代码不存在
5.openEuler-22.03-LTS-SP4:不受影响-漏洞代码不存在
6.openEuler-24.03-LTS:正常修复
7.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
8.openEuler-24.03-LTS-SP1:正常修复

@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:xhci: tegra: fix checked USB2 port numberIf USB virtualizatoin is enabled, USB2 ports are shared between allVirtual Functions. The USB2 port number owned by an USB2 root hub ina Virtual Function may be less than total USB2 phy number supportedby the Tegra XUSB controller.Using total USB2 phy number as port number to check all PORTSC valueswould cause invalid memory access.[  116.923438] Unable to handle kernel paging request at virtual address 006c622f7665642f...[  117.213640] Call trace:[  117.216783]  tegra_xusb_enter_elpg+0x23c/0x658[  117.222021]  tegra_xusb_runtime_suspend+0x40/0x68[  117.227260]  pm_generic_runtime_suspend+0x30/0x50[  117.232847]  __rpm_callback+0x84/0x3c0[  117.237038]  rpm_suspend+0x2dc/0x740[  117.241229] pm_runtime_work+0xa0/0xb8[  117.245769]  process_scheduled_works+0x24c/0x478[  117.251007]  worker_thread+0x23c/0x328[  117.255547]  kthread+0x104/0x1b0[  117.259389]  ret_from_fork+0x10/0x20[  117.263582] Code: 54000222 f9461ae8 f8747908 b4ffff48 (f9400100)The Linux kernel CVE team has assigned CVE-2024-50075 to this issue.|
|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-24.03-LTS:受影响,openEuler-24.03-LTS-SP1:受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-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-SP1: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:正常修复,openEuler-24.03-LTS-SP1:正常修复,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,openEuler-22.03-LTS-SP1:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP3:不受影响-漏洞代码不存在,openEuler-22.03-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.**

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