CVE-2024-39502

一、漏洞信息
 漏洞编号：[CVE-2024-39502](https://nvd.nist.gov/vuln/detail/CVE-2024-39502)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0
 CVSS V2.0分值：
  BaseScore：0.0 Medium
  Vector：CVSS：2.0/
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:ionic: fix use after netif_napi_del()When queues are started, netif_napi_add() and napi_enable() are called.If there are 4 queues and only 3 queues are used for the currentconfiguration, only 3 queues  napi should be registered and enabled.The ionic_qcq_enable() checks whether the .poll pointer is not NULL forenabling only the using queue  napi. Unused queues  napi will not beregistered by netif_napi_add(), so the .poll pointer indicates NULL.But it couldn t distinguish whether the napi was unregistered or notbecause netif_napi_del() doesn t reset the .poll pointer to NULL.So, ionic_qcq_enable() calls napi_enable() for the queue, which wasunregistered by netif_napi_del().Reproducer:   ethtool -L <interface name> rx 1 tx 1 combined 0   ethtool -L <interface name> rx 0 tx 0 combined 1   ethtool -L <interface name> rx 0 tx 0 combined 4Splat looks like:kernel BUG at net/core/dev.c:6666!Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTICPU: 3 PID: 1057 Comm: kworker/3:3 Not tainted 6.10.0-rc2+ #16Workqueue: events ionic_lif_deferred_work [ionic]RIP: 0010:napi_enable+0x3b/0x40Code: 48 89 c2 48 83 e2 f6 80 b9 61 09 00 00 00 74 0d 48 83 bf 60 01 00 00 00 74 03 80 ce 01 f0 4fRSP: 0018:ffffb6ed83227d48 EFLAGS: 00010246RAX: 0000000000000000 RBX: ffff97560cda0828 RCX: 0000000000000029RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff97560cda0a28RBP: ffffb6ed83227d50 R08: 0000000000000400 R09: 0000000000000001R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000R13: ffff97560ce3c1a0 R14: 0000000000000000 R15: ffff975613ba0a20FS:  0000000000000000(0000) GS:ffff975d5f780000(0000) knlGS:0000000000000000CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033CR2: 00007f8f734ee200 CR3: 0000000103e50000 CR4: 00000000007506f0PKRU: 55555554Call Trace: <TASK> ? die+0x33/0x90 ? do_trap+0xd9/0x100 ? napi_enable+0x3b/0x40 ? do_error_trap+0x83/0xb0 ? napi_enable+0x3b/0x40 ? napi_enable+0x3b/0x40 ? exc_invalid_op+0x4e/0x70 ? napi_enable+0x3b/0x40 ? asm_exc_invalid_op+0x16/0x20 ? napi_enable+0x3b/0x40 ionic_qcq_enable+0xb7/0x180 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_start_queues+0xc4/0x290 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_link_status_check+0x11c/0x170 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_lif_deferred_work+0x129/0x280 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] process_one_work+0x145/0x360 worker_thread+0x2bb/0x3d0 ? __pfx_worker_thread+0x10/0x10 kthread+0xcc/0x100 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2d/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30
 漏洞公开时间：2024-07-12 21:15:12
 漏洞创建时间：2024-07-13 14:55:21
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-39502
<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/0d19267cb150e8f76ade210e16ee820a77f684e7 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/183ebc167a8a19e916b885d4bb61a3491991bfa5 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/60cd714871cd5a683353a355cbb17a685245cf84 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/79f18a41dd056115d685f3b0a419c7cd40055e13 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/8edd18dab443863e9e48f084e7f123fca3065e4e |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/a87d72b37b9ec2c1e18fe36b09241d8b30334a2e |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/ff9c2a9426ecf5b9631e9fd74993b357262387d6 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-39502 | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-39502 | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| suse_bugzilla | https://git.kernel.org/stable/c/0d19267cb150e8f76ade210e16ee820a77f684e7 | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| suse_bugzilla | https://git.kernel.org/stable/c/183ebc167a8a19e916b885d4bb61a3491991bfa5 | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| suse_bugzilla | https://git.kernel.org/stable/c/60cd714871cd5a683353a355cbb17a685245cf84 | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| suse_bugzilla | https://git.kernel.org/stable/c/79f18a41dd056115d685f3b0a419c7cd40055e13 | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| suse_bugzilla | https://git.kernel.org/stable/c/8edd18dab443863e9e48f084e7f123fca3065e4e | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| suse_bugzilla | https://git.kernel.org/stable/c/a87d72b37b9ec2c1e18fe36b09241d8b30334a2e | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| suse_bugzilla | https://git.kernel.org/stable/c/ff9c2a9426ecf5b9631e9fd74993b357262387d6 | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-39502.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1227755 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2024-39502 | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://git.kernel.org/linus/79f18a41dd056115d685f3b0a419c7cd40055e13 (6.10-rc4) | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://git.kernel.org/stable/c/0d19267cb150e8f76ade210e16ee820a77f684e7 | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://git.kernel.org/stable/c/ff9c2a9426ecf5b9631e9fd74993b357262387d6 | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://git.kernel.org/stable/c/8edd18dab443863e9e48f084e7f123fca3065e4e | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://git.kernel.org/stable/c/60cd714871cd5a683353a355cbb17a685245cf84 | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://git.kernel.org/stable/c/183ebc167a8a19e916b885d4bb61a3491991bfa5 | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://git.kernel.org/stable/c/a87d72b37b9ec2c1e18fe36b09241d8b30334a2e | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://git.kernel.org/stable/c/79f18a41dd056115d685f3b0a419c7cd40055e13 | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2024-39502 | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2024-39502 | https://ubuntu.com/security/CVE-2024-39502 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2024-39502 | https://ubuntu.com/security/CVE-2024-39502 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-39502 |

</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/79f18a41dd056115d685f3b0a419c7cd40055e13 | https://git.kernel.org/linus/0f3154e6bcb354968cc04f7cd86ce466f7b9a814 | 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:ionic: fix use after netif_napi_del()When queues are started, netif_napi_add() and napi_enable() are called.If there are 4 queues and only 3 queues are used for the currentconfiguration, only 3 queues  napi should be registered and enabled.The ionic_qcq_enable() checks whether the .poll pointer is not NULL forenabling only the using queue  napi. Unused queues  napi will not beregistered by netif_napi_add(), so the .poll pointer indicates NULL.But it couldn t distinguish whether the napi was unregistered or notbecause netif_napi_del() doesn t reset the .poll pointer to NULL.So, ionic_qcq_enable() calls napi_enable() for the queue, which wasunregistered by netif_napi_del().Reproducer:   ethtool -L <interface name> rx 1 tx 1 combined 0   ethtool -L <interface name> rx 0 tx 0 combined 1   ethtool -L <interface name> rx 0 tx 0 combined 4Splat looks like:kernel BUG at net/core/dev.c:6666!Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTICPU: 3 PID: 1057 Comm: kworker/3:3 Not tainted 6.10.0-rc2+ #16Workqueue: events ionic_lif_deferred_work [ionic]RIP: 0010:napi_enable+0x3b/0x40Code: 48 89 c2 48 83 e2 f6 80 b9 61 09 00 00 00 74 0d 48 83 bf 60 01 00 00 00 74 03 80 ce 01 f0 4fRSP: 0018:ffffb6ed83227d48 EFLAGS: 00010246RAX: 0000000000000000 RBX: ffff97560cda0828 RCX: 0000000000000029RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff97560cda0a28RBP: ffffb6ed83227d50 R08: 0000000000000400 R09: 0000000000000001R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000R13: ffff97560ce3c1a0 R14: 0000000000000000 R15: ffff975613ba0a20FS:  0000000000000000(0000) GS:ffff975d5f780000(0000) knlGS:0000000000000000CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033CR2: 00007f8f734ee200 CR3: 0000000103e50000 CR4: 00000000007506f0PKRU: 55555554Call Trace: <TASK> ? die+0x33/0x90 ? do_trap+0xd9/0x100 ? napi_enable+0x3b/0x40 ? do_error_trap+0x83/0xb0 ? napi_enable+0x3b/0x40 ? napi_enable+0x3b/0x40 ? exc_invalid_op+0x4e/0x70 ? napi_enable+0x3b/0x40 ? asm_exc_invalid_op+0x16/0x20 ? napi_enable+0x3b/0x40 ionic_qcq_enable+0xb7/0x180 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_start_queues+0xc4/0x290 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_link_status_check+0x11c/0x170 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] ionic_lif_deferred_work+0x129/0x280 [ionic 59bdfc8a035436e1c4224ff7d10789e3f14643f8] process_one_work+0x145/0x360 worker_thread+0x2bb/0x3d0 ? __pfx_worker_thread+0x10/0x10 kthread+0xcc/0x100 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2d/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30 
 openEuler评分：
  5.5
 Vector：CVSS：2.0/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-24.03-LTS(6.6.0):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-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-2024-1863

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