CVE-2024-41006

一、漏洞信息
 漏洞编号：[CVE-2024-41006](https://nvd.nist.gov/vuln/detail/CVE-2024-41006)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.8,6.4.0,6.6.0
 CVSS V2.0分值：
  BaseScore：0.0 Low
  Vector：CVSS：2.0/
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:netrom: Fix a memory leak in nr_heartbeat_expiry()syzbot reported a memory leak in nr_create() [0].Commit 409db27e3a2e ( netrom: Fix use-after-free of a listening socket. )added sock_hold() to the nr_heartbeat_expiry() function, wherea) a socket has a SOCK_DESTROY flag orb) a listening socket has a SOCK_DEAD flag.But in the case  a,  when the SOCK_DESTROY flag is set, the file descriptorhas already been closed and the nr_release() function has been called.So it makes no sense to hold the reference count because no one willcall another nr_destroy_socket() and put it as in the case  b. nr_connect  nr_establish_data_link    nr_start_heartbeatnr_release  switch (nr->state)  case NR_STATE_3    nr->state = NR_STATE_2    sock_set_flag(sk, SOCK_DESTROY);                        nr_rx_frame                          nr_process_rx_frame                            switch (nr->state)                            case NR_STATE_2                              nr_state2_machine()                                nr_disconnect()                                  nr_sk(sk)->state = NR_STATE_0                                  sock_set_flag(sk, SOCK_DEAD)                        nr_heartbeat_expiry                          switch (nr->state)                          case NR_STATE_0                            if (sock_flag(sk, SOCK_DESTROY) ||                               (sk->sk_state == TCP_LISTEN                                 && sock_flag(sk, SOCK_DEAD)))                               sock_hold()  // ( !!! )                               nr_destroy_socket()To fix the memory leak, let s call sock_hold() only for a listening socket.Found by InfoTeCS on behalf of Linux Verification Center(linuxtesting.org) with Syzkaller.[0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16
 漏洞公开时间：2024-07-12 21:15:21
 漏洞创建时间：2024-07-15 13:02:56
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-41006
<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/0b9130247f3b6a1122478471ff0e014ea96bb735 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/280cf1173726a7059b628c610c71050d5c0b6937 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/5391f9db2cab5ef1cb411be1ab7dbec728078fba |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/a02fd5d775cf9787ee7698c797e20f2fa13d2e2b |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/b6ebe4fed73eedeb73f4540f8edc4871945474c8 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/d377f5a28332954b19e373d36823e59830ab1712 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/d616876256b38ecf9a1a1c7d674192c5346bc69c |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/e07a9c2a850cdebf625e7a1b8171bd23a8554313 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-41006 | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-41006 | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://git.kernel.org/stable/c/0b9130247f3b6a1122478471ff0e014ea96bb735 | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://git.kernel.org/stable/c/280cf1173726a7059b628c610c71050d5c0b6937 | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://git.kernel.org/stable/c/5391f9db2cab5ef1cb411be1ab7dbec728078fba | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://git.kernel.org/stable/c/a02fd5d775cf9787ee7698c797e20f2fa13d2e2b | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://git.kernel.org/stable/c/b6ebe4fed73eedeb73f4540f8edc4871945474c8 | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://git.kernel.org/stable/c/d377f5a28332954b19e373d36823e59830ab1712 | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://git.kernel.org/stable/c/d616876256b38ecf9a1a1c7d674192c5346bc69c | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://git.kernel.org/stable/c/e07a9c2a850cdebf625e7a1b8171bd23a8554313 | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-41006.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1227862 |
| redhat_bugzilla | https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16 | https://bugzilla.redhat.com/show_bug.cgi?id=2297590 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2024-41006 | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://git.kernel.org/linus/0b9130247f3b6a1122478471ff0e014ea96bb735 (6.10-rc5) | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://git.kernel.org/stable/c/d616876256b38ecf9a1a1c7d674192c5346bc69c | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://git.kernel.org/stable/c/e07a9c2a850cdebf625e7a1b8171bd23a8554313 | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://git.kernel.org/stable/c/5391f9db2cab5ef1cb411be1ab7dbec728078fba | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://git.kernel.org/stable/c/280cf1173726a7059b628c610c71050d5c0b6937 | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://git.kernel.org/stable/c/a02fd5d775cf9787ee7698c797e20f2fa13d2e2b | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://git.kernel.org/stable/c/b6ebe4fed73eedeb73f4540f8edc4871945474c8 | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://git.kernel.org/stable/c/d377f5a28332954b19e373d36823e59830ab1712 | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://git.kernel.org/stable/c/0b9130247f3b6a1122478471ff0e014ea96bb735 | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2024-41006 | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2024-41006 | https://ubuntu.com/security/CVE-2024-41006 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2024-41006 | https://ubuntu.com/security/CVE-2024-41006 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-41006 |
| cve_search |  | https://git.kernel.org/stable/c/d616876256b38ecf9a1a1c7d674192c5346bc69c |
| cve_search |  | https://git.kernel.org/stable/c/e07a9c2a850cdebf625e7a1b8171bd23a8554313 |
| cve_search |  | https://git.kernel.org/stable/c/5391f9db2cab5ef1cb411be1ab7dbec728078fba |
| cve_search |  | https://git.kernel.org/stable/c/280cf1173726a7059b628c610c71050d5c0b6937 |
| cve_search |  | https://git.kernel.org/stable/c/a02fd5d775cf9787ee7698c797e20f2fa13d2e2b |
| cve_search |  | https://git.kernel.org/stable/c/b6ebe4fed73eedeb73f4540f8edc4871945474c8 |
| cve_search |  | https://git.kernel.org/stable/c/d377f5a28332954b19e373d36823e59830ab1712 |
| cve_search |  | https://git.kernel.org/stable/c/0b9130247f3b6a1122478471ff0e014ea96bb735 |

</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 |  | https://git.kernel.org/linus/0b9130247f3b6a1122478471ff0e014ea96bb735 | https://git.kernel.org/linus/409db27e3a2eb5e8ef7226ca33be33361b3ed1c9 | ubuntu |

</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:netrom: Fix a memory leak in nr_heartbeat_expiry()syzbot reported a memory leak in nr_create() [0].Commit 409db27e3a2e (&#34;netrom: Fix use-after-free of a listening socket.&#34;)added sock_hold() to the nr_heartbeat_expiry() function, wherea) a socket has a SOCK_DESTROY flag orb) a listening socket has a SOCK_DEAD flag.But in the case &#34;a,&#34; when the SOCK_DESTROY flag is set, the file descriptorhas already been closed and the nr_release() function has been called.So it makes no sense to hold the reference count because no one willcall another nr_destroy_socket() and put it as in the case &#34;b.&#34;nr_connect  nr_establish_data_link    nr_start_heartbeatnr_release  switch (nr-&gt;state)  case NR_STATE_3    nr-&gt;state = NR_STATE_2    sock_set_flag(sk, SOCK_DESTROY);                        nr_rx_frame                          nr_process_rx_frame                            switch (nr-&gt;state)                            case NR_STATE_2                              nr_state2_machine()                                nr_disconnect()                                  nr_sk(sk)-&gt;state = NR_STATE_0                                  sock_set_flag(sk, SOCK_DEAD)                        nr_heartbeat_expiry                          switch (nr-&gt;state)                          case NR_STATE_0                            if (sock_flag(sk, SOCK_DESTROY) ||                               (sk-&gt;sk_state == TCP_LISTEN                                 &#38;&#38; sock_flag(sk, SOCK_DEAD)))                               sock_hold()  // ( !!! )                               nr_destroy_socket()To fix the memory leak, let&#39;s call sock_hold() only for a listening socket.Found by InfoTeCS on behalf of Linux Verification Center(linuxtesting.org) with Syzkaller.[0]: <ahref= https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16 >https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16</a>The Linux kernel CVE team has assigned CVE-2024-41006 to this issue. 
 openEuler评分：
  3.9
 Vector：CVSS：2.0/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.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-24.03-LTS(6.6.0):受影响
4.openEuler-22.03-LTS-SP1(5.10.0):不受影响
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响
6.master(6.1.0):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(6.1.0):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

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-1963

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