CVE-2024-50155

一、漏洞信息
 漏洞编号：[CVE-2024-50155](https://nvd.nist.gov/vuln/detail/CVE-2024-50155)
 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：7.8 High
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:netdevsim: use cond_resched() in nsim_dev_trap_report_work()I am still seeing many syzbot reports hinting that syzbotmight fool nsim_dev_trap_report_work() with hundreds of ports [1]Lets use cond_resched(), and system_unbound_wqinstead of implicit system_wq.[1]INFO: task syz-executor:20633 blocked for more than 143 seconds.      Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0 echo 0 > /proc/sys/kernel/hung_task_timeout_secs  disables this message.task:syz-executor    state:D stack:25856 pid:20633 tgid:20633 ppid:1      flags:0x00004006...NMI backtrace for cpu 1CPU: 1 UID: 0 PID: 16760 Comm: kworker/1:0 Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024Workqueue: events nsim_dev_trap_report_work RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210Code: 89 fb e8 23 00 00 00 48 8b 3d 04 fb 9c 0c 48 89 de 5b e9 c3 c7 5d 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 c0 d7 03 00 65 8b 15 60 f0RSP: 0018:ffffc90000a187e8 EFLAGS: 00000246RAX: 0000000000000100 RBX: ffffc90000a188e0 RCX: ffff888027d3bc00RDX: ffff888027d3bc00 RSI: 0000000000000000 RDI: 0000000000000000RBP: ffff88804a2e6000 R08: ffffffff8a4bc495 R09: ffffffff89da3577R10: 0000000000000004 R11: ffffffff8a4bc2b0 R12: dffffc0000000000R13: ffff88806573b503 R14: dffffc0000000000 R15: ffff8880663cca00FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033CR2: 00007fc90a747f98 CR3: 000000000e734000 CR4: 00000000003526f0DR0: 0000000000000000 DR1: 000000000000002b DR2: 0000000000000000DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400Call Trace: <NMI> </NMI> <TASK>  __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382  spin_unlock_bh include/linux/spinlock.h:396 [inline]  nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]  nsim_dev_trap_report_work+0x75d/0xaa0 drivers/net/netdevsim/dev.c:850  process_one_work kernel/workqueue.c:3229 [inline]  process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310  worker_thread+0x870/0xd30 kernel/workqueue.c:3391  kthread+0x2f0/0x390 kernel/kthread.c:389  ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147  ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK>
 漏洞公开时间：2024-11-07 18:15:07
 漏洞创建时间：2024-11-07 18:30:42
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-50155
<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/24973f4b64f93232a48fe78029385de762a2418d |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/32f054f93937b548c61b3bf57d8f4aefc50f3b16 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/681ce79ab6fba2f8d1c5ea60239f0086baebd0d3 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/a1494d532e28598bde7a5544892ef9c7dbfafa93 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-50155 | https://bugzilla.suse.com/show_bug.cgi?id=1233035 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-50155.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1233035 |
| suse_bugzilla | https://git.kernel.org/stable/c/24973f4b64f93232a48fe78029385de762a2418d | https://bugzilla.suse.com/show_bug.cgi?id=1233035 |
| suse_bugzilla | https://git.kernel.org/stable/c/681ce79ab6fba2f8d1c5ea60239f0086baebd0d3 | https://bugzilla.suse.com/show_bug.cgi?id=1233035 |
| suse_bugzilla | https://git.kernel.org/stable/c/32f054f93937b548c61b3bf57d8f4aefc50f3b16 | https://bugzilla.suse.com/show_bug.cgi?id=1233035 |
| suse_bugzilla | https://git.kernel.org/stable/c/a1494d532e28598bde7a5544892ef9c7dbfafa93 | https://bugzilla.suse.com/show_bug.cgi?id=1233035 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-50155 | https://bugzilla.suse.com/show_bug.cgi?id=1233035 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024110746-CVE-2024-50155-f220@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2324336 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-50155 |

</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/24973f4b64f93232a48fe78029385de762a2418d |  | nvd |
|  |  | https://git.kernel.org/stable/c/32f054f93937b548c61b3bf57d8f4aefc50f3b16 |  | nvd |
|  |  | https://git.kernel.org/stable/c/681ce79ab6fba2f8d1c5ea60239f0086baebd0d3 |  | nvd |
|  |  | https://git.kernel.org/stable/c/a1494d532e28598bde7a5544892ef9c7dbfafa93 |  | 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:netdevsim: use cond_resched() in nsim_dev_trap_report_work()I am still seeing many syzbot reports hinting that syzbotmight fool nsim_dev_trap_report_work() with hundreds of ports [1]Lets use cond_resched(), and system_unbound_wqinstead of implicit system_wq.[1]INFO: task syz-executor:20633 blocked for more than 143 seconds.      Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0 echo 0 > /proc/sys/kernel/hung_task_timeout_secs  disables this message.task:syz-executor    state:D stack:25856 pid:20633 tgid:20633 ppid:1      flags:0x00004006...NMI backtrace for cpu 1CPU: 1 UID: 0 PID: 16760 Comm: kworker/1:0 Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024Workqueue: events nsim_dev_trap_report_work RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210Code: 89 fb e8 23 00 00 00 48 8b 3d 04 fb 9c 0c 48 89 de 5b e9 c3 c7 5d 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 c0 d7 03 00 65 8b 15 60 f0RSP: 0018:ffffc90000a187e8 EFLAGS: 00000246RAX: 0000000000000100 RBX: ffffc90000a188e0 RCX: ffff888027d3bc00RDX: ffff888027d3bc00 RSI: 0000000000000000 RDI: 0000000000000000RBP: ffff88804a2e6000 R08: ffffffff8a4bc495 R09: ffffffff89da3577R10: 0000000000000004 R11: ffffffff8a4bc2b0 R12: dffffc0000000000R13: ffff88806573b503 R14: dffffc0000000000 R15: ffff8880663cca00FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033CR2: 00007fc90a747f98 CR3: 000000000e734000 CR4: 00000000003526f0DR0: 0000000000000000 DR1: 000000000000002b DR2: 0000000000000000DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400Call Trace: <NMI> </NMI> <TASK>  __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382  spin_unlock_bh include/linux/spinlock.h:396 [inline]  nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]  nsim_dev_trap_report_work+0x75d/0xaa0 drivers/net/netdevsim/dev.c:850  process_one_work kernel/workqueue.c:3229 [inline]  process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310  worker_thread+0x870/0xd30 kernel/workqueue.c:3391  kthread+0x2f0/0x390 kernel/kthread.c:389  ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147  ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK>
 openEuler评分：
  7.8
 Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-20.03-LTS-SP4(4.19.90):不受影响
3.openEuler-22.03-LTS-SP1(5.10.0):不受影响
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响
5.openEuler-22.03-LTS-SP4(5.10.0):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
8.openEuler-24.03-LTS-SP1: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-20.03-LTS-SP4(4.19.90):不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP1(5.10.0):不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响-漏洞代码不存在
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响-漏洞代码不存在
6.master(6.6.0):不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不存在
8.openEuler-24.03-LTS-SP1: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-2024-2522

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