CVE-2024-50068

一、漏洞信息
 漏洞编号：[CVE-2024-50068](https://nvd.nist.gov/vuln/detail/CVE-2024-50068)
 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:mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets()The sysfs_target->regions allocated in damon_sysfs_regions_alloc() is notfreed in damon_sysfs_test_add_targets(), which cause the following memoryleak, free it to fix it.	unreferenced object 0xffffff80c2a8db80 (size 96):	  comm  kunit_try_catch , pid 187, jiffies 4294894363	  hex dump (first 32 bytes):	    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................	    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................	  backtrace (crc 0):	    [<0000000001e3714d>] kmemleak_alloc+0x34/0x40	    [<000000008e6835c1>] __kmalloc_cache_noprof+0x26c/0x2f4	    [<000000001286d9f8>] damon_sysfs_test_add_targets+0x1cc/0x738	    [<0000000032ef8f77>] kunit_try_run_case+0x13c/0x3ac	    [<00000000f3edea23>] kunit_generic_run_threadfn_adapter+0x80/0xec	    [<00000000adf936cf>] kthread+0x2e8/0x374	    [<0000000041bb1628>] ret_from_fork+0x10/0x20
 漏洞公开时间：2024-10-29 09:15:04
 漏洞创建时间：2024-10-29 09:28:37
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-50068
<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/05d43455f6bffa6abc7b937ca58be00452e6973f |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/2d6a1c835685de3b0c8e8dc871f60f4ef92ab01a |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-50068 | https://bugzilla.suse.com/show_bug.cgi?id=1232512 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-50068 | https://bugzilla.suse.com/show_bug.cgi?id=1232512 |
| suse_bugzilla | https://git.kernel.org/stable/c/05d43455f6bffa6abc7b937ca58be00452e6973f | https://bugzilla.suse.com/show_bug.cgi?id=1232512 |
| suse_bugzilla | https://git.kernel.org/stable/c/2d6a1c835685de3b0c8e8dc871f60f4ef92ab01a | https://bugzilla.suse.com/show_bug.cgi?id=1232512 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-50068.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1232512 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-50068 |
| cve_search |  | https://git.kernel.org/stable/c/05d43455f6bffa6abc7b937ca58be00452e6973f |
| cve_search |  | https://git.kernel.org/stable/c/2d6a1c835685de3b0c8e8dc871f60f4ef92ab01a |

</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/05d43455f6bffa6abc7b937ca58be00452e6973f |  | nvd |
|  |  | https://git.kernel.org/stable/c/2d6a1c835685de3b0c8e8dc871f60f4ef92ab01a |  | 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:mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets()The sysfs_target-&gt;regions allocated in damon_sysfs_regions_alloc() is notfreed in damon_sysfs_test_add_targets(), which cause the following memoryleak, free it to fix it.unreferenced object 0xffffff80c2a8db80 (size 96):  comm &#34;kunit_try_catch&#34;, pid 187, jiffies 4294894363  hex dump (first 32 bytes):    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................  backtrace (crc 0):    [&lt;0000000001e3714d&gt;] kmemleak_alloc+0x34/0x40    [&lt;000000008e6835c1&gt;] __kmalloc_cache_noprof+0x26c/0x2f4    [&lt;000000001286d9f8&gt;] damon_sysfs_test_add_targets+0x1cc/0x738    [&lt;0000000032ef8f77&gt;] kunit_try_run_case+0x13c/0x3ac    [&lt;00000000f3edea23&gt;] kunit_generic_run_threadfn_adapter+0x80/0xec    [&lt;00000000adf936cf&gt;] kthread+0x2e8/0x374    [&lt;0000000041bb1628&gt;] ret_from_fork+0x10/0x20The Linux kernel CVE team has assigned CVE-2024-50068 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-20.03-LTS-SP4(4.19.90):不受影响
2.openEuler-22.03-LTS-SP1(5.10.0):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.master(6.6.0):不受影响
6.openEuler-24.03-LTS(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-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

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):

@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-2024-50068

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

mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets()

The sysfs_target-&gt;regions allocated in damon_sysfs_regions_alloc() is not
freed in damon_sysfs_test_add_targets(), which cause the following memory
leak, free it to fix it.

unreferenced object 0xffffff80c2a8db80 (size 96):
	  comm &#34;kunit_try_catch&#34;, pid 187, jiffies 4294894363
	  hex dump (first 32 bytes):
	    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
	    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
	  backtrace (crc 0):
	    [&lt;0000000001e3714d&gt;] kmemleak_alloc+0x34/0x40
	    [&lt;000000008e6835c1&gt;] __kmalloc_cache_noprof+0x26c/0x2f4
	    [&lt;000000001286d9f8&gt;] damon_sysfs_test_add_targets+0x1cc/0x738
	    [&lt;0000000032ef8f77&gt;] kunit_try_run_case+0x13c/0x3ac
	    [&lt;00000000f3edea23&gt;] kunit_generic_run_threadfn_adapter+0x80/0xec
	    [&lt;00000000adf936cf&gt;] kthread+0x2e8/0x374
	    [&lt;0000000041bb1628&gt;] ret_from_fork+0x10/0x20

The Linux kernel CVE team has assigned CVE-2024-50068 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:不受影响
7.openEuler-24.03-LTS-Next:不受影响

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