CVE-2024-56653

一、漏洞信息
 漏洞编号：[CVE-2024-56653](https://nvd.nist.gov/vuln/detail/CVE-2024-56653)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.4.0,6.6.0
 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:Bluetooth: btmtk: avoid UAF in btmtk_process_coredumphci_devcd_append may lead to the release of the skb, so it cannot beaccessed once it is called.==================================================================BUG: KASAN: slab-use-after-free in btmtk_process_coredump+0x2a7/0x2d0 [btmtk]Read of size 4 at addr ffff888033cfabb0 by task kworker/0:3/82CPU: 0 PID: 82 Comm: kworker/0:3 Tainted: G     U             6.6.40-lockdep-03464-g1d8b4eb3060e #1 b0b3c1cc0c842735643fb411799d97921d1f688cHardware name: Google Yaviks_Ufs/Yaviks_Ufs, BIOS Google_Yaviks_Ufs.15217.552.0 05/07/2024Workqueue: events btusb_rx_work [btusb]Call Trace: <TASK> dump_stack_lvl+0xfd/0x150 print_report+0x131/0x780 kasan_report+0x177/0x1c0 btmtk_process_coredump+0x2a7/0x2d0 [btmtk 03edd567dd71a65958807c95a65db31d433e1d01] btusb_recv_acl_mtk+0x11c/0x1a0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec] btusb_rx_work+0x9e/0xe0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec] worker_thread+0xe44/0x2cc0 kthread+0x2ff/0x3a0 ret_from_fork+0x51/0x80 ret_from_fork_asm+0x1b/0x30 </TASK>Allocated by task 82: stack_trace_save+0xdc/0x190 kasan_set_track+0x4e/0x80 __kasan_slab_alloc+0x4e/0x60 kmem_cache_alloc+0x19f/0x360 skb_clone+0x132/0xf70 btusb_recv_acl_mtk+0x104/0x1a0 [btusb] btusb_rx_work+0x9e/0xe0 [btusb] worker_thread+0xe44/0x2cc0 kthread+0x2ff/0x3a0 ret_from_fork+0x51/0x80 ret_from_fork_asm+0x1b/0x30Freed by task 1733: stack_trace_save+0xdc/0x190 kasan_set_track+0x4e/0x80 kasan_save_free_info+0x28/0xb0 ____kasan_slab_free+0xfd/0x170 kmem_cache_free+0x183/0x3f0 hci_devcd_rx+0x91a/0x2060 [bluetooth] worker_thread+0xe44/0x2cc0 kthread+0x2ff/0x3a0 ret_from_fork+0x51/0x80 ret_from_fork_asm+0x1b/0x30The buggy address belongs to the object at ffff888033cfab40 which belongs to the cache skbuff_head_cache of size 232The buggy address is located 112 bytes inside of freed 232-byte region [ffff888033cfab40, ffff888033cfac28)The buggy address belongs to the physical page:page:00000000a174ba93 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33cfahead:00000000a174ba93 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0anon flags: 0x4000000000000840(slab|head|zone=1)page_type: 0xffffffff()raw: 4000000000000840 ffff888100848a00 0000000000000000 0000000000000001raw: 0000000000000000 0000000080190019 00000001ffffffff 0000000000000000page dumped because: kasan: bad access detectedMemory state around the buggy address: ffff888033cfaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc ffff888033cfab00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb>ffff888033cfab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb                                     ^ ffff888033cfac00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc ffff888033cfac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb==================================================================Check if we need to call hci_devcd_complete before callinghci_devcd_append. That requires that we check data->cd_info.cnt >=MTK_COREDUMP_NUM instead of data->cd_info.cnt > MTK_COREDUMP_NUM, as weincrement data->cd_info.cnt only once the call to hci_devcd_appendsucceeds.
 漏洞公开时间：2024-12-27 23:15:25
 漏洞创建时间：2025-02-05 10:34:33
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-56653
<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/b548f5e9456c568155499d9ebac675c0d7a296e8 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/d20ff1d3cb40479789368f502eedb0a00e4161fc |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/ecdcaea0e4057171ea4c3783e1cc1c900ad99125 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-56653 | https://bugzilla.suse.com/show_bug.cgi?id=1235531 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-56653 | https://bugzilla.suse.com/show_bug.cgi?id=1235531 |
| suse_bugzilla | https://git.kernel.org/stable/c/b548f5e9456c568155499d9ebac675c0d7a296e8 | https://bugzilla.suse.com/show_bug.cgi?id=1235531 |
| suse_bugzilla | https://git.kernel.org/stable/c/d20ff1d3cb40479789368f502eedb0a00e4161fc | https://bugzilla.suse.com/show_bug.cgi?id=1235531 |
| suse_bugzilla | https://git.kernel.org/stable/c/ecdcaea0e4057171ea4c3783e1cc1c900ad99125 | https://bugzilla.suse.com/show_bug.cgi?id=1235531 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-56653.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1235531 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2334538 | https://bugzilla.suse.com/show_bug.cgi?id=1235531 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024122749-CVE-2024-56653-bb35@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2334538 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-56653 |

</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_kernel | 6.6.67 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=ecdcaea0e4057171ea4c3783e1cc1c900ad99125Issue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0b70151328781a89c89e4cf3fae21fc0e98d869e | linuxkernelcves |
| linux_kernel | 6.12.6 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d20ff1d3cb40479789368f502eedb0a00e4161fcIssue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0b70151328781a89c89e4cf3fae21fc0e98d869e | linuxkernelcves |
| linux_kernel | 6.13-rc3 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=b548f5e9456c568155499d9ebac675c0d7a296e8Please | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0b70151328781a89c89e4cf3fae21fc0e98d869e | linuxkernelcves |

</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:Bluetooth: btmtk: avoid UAF in btmtk_process_coredumphci_devcd_append may lead to the release of the skb, so it cannot beaccessed once it is called.==================================================================BUG: KASAN: slab-use-after-free in btmtk_process_coredump+0x2a7/0x2d0 [btmtk]Read of size 4 at addr ffff888033cfabb0 by task kworker/0:3/82CPU: 0 PID: 82 Comm: kworker/0:3 Tainted: G     U             6.6.40-lockdep-03464-g1d8b4eb3060e #1 b0b3c1cc0c842735643fb411799d97921d1f688cHardware name: Google Yaviks_Ufs/Yaviks_Ufs, BIOS Google_Yaviks_Ufs.15217.552.0 05/07/2024Workqueue: events btusb_rx_work [btusb]Call Trace: <TASK> dump_stack_lvl+0xfd/0x150 print_report+0x131/0x780 kasan_report+0x177/0x1c0 btmtk_process_coredump+0x2a7/0x2d0 [btmtk 03edd567dd71a65958807c95a65db31d433e1d01] btusb_recv_acl_mtk+0x11c/0x1a0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec] btusb_rx_work+0x9e/0xe0 [btusb 675430d1e87c4f24d0c1f80efe600757a0f32bec] worker_thread+0xe44/0x2cc0 kthread+0x2ff/0x3a0 ret_from_fork+0x51/0x80 ret_from_fork_asm+0x1b/0x30 </TASK>Allocated by task 82: stack_trace_save+0xdc/0x190 kasan_set_track+0x4e/0x80 __kasan_slab_alloc+0x4e/0x60 kmem_cache_alloc+0x19f/0x360 skb_clone+0x132/0xf70 btusb_recv_acl_mtk+0x104/0x1a0 [btusb] btusb_rx_work+0x9e/0xe0 [btusb] worker_thread+0xe44/0x2cc0 kthread+0x2ff/0x3a0 ret_from_fork+0x51/0x80 ret_from_fork_asm+0x1b/0x30Freed by task 1733: stack_trace_save+0xdc/0x190 kasan_set_track+0x4e/0x80 kasan_save_free_info+0x28/0xb0 ____kasan_slab_free+0xfd/0x170 kmem_cache_free+0x183/0x3f0 hci_devcd_rx+0x91a/0x2060 [bluetooth] worker_thread+0xe44/0x2cc0 kthread+0x2ff/0x3a0 ret_from_fork+0x51/0x80 ret_from_fork_asm+0x1b/0x30The buggy address belongs to the object at ffff888033cfab40 which belongs to the cache skbuff_head_cache of size 232The buggy address is located 112 bytes inside of freed 232-byte region [ffff888033cfab40, ffff888033cfac28)The buggy address belongs to the physical page:page:00000000a174ba93 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33cfahead:00000000a174ba93 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0anon flags: 0x4000000000000840(slab|head|zone=1)page_type: 0xffffffff()raw: 4000000000000840 ffff888100848a00 0000000000000000 0000000000000001raw: 0000000000000000 0000000080190019 00000001ffffffff 0000000000000000page dumped because: kasan: bad access detectedMemory state around the buggy address: ffff888033cfaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc ffff888033cfab00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb>ffff888033cfab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb                                     ^ ffff888033cfac00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc ffff888033cfac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb==================================================================Check if we need to call hci_devcd_complete before callinghci_devcd_append. That requires that we check data->cd_info.cnt >=MTK_COREDUMP_NUM instead of data->cd_info.cnt > MTK_COREDUMP_NUM, as weincrement data->cd_info.cnt only once the call to hci_devcd_appendsucceeds.
 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-24.03-LTS-SP1(6.6.0):受影响
3.openEuler-20.03-LTS-SP4(4.19.90):不受影响
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响
5.openEuler-22.03-LTS-SP4: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

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

原因说明：
  1.openEuler-24.03-LTS(6.6.0):正常修复
2.openEuler-24.03-LTS-SP1(6.6.0):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-SP3(5.10.0):不受影响-漏洞代码不存在
7.openEuler-22.03-LTS-SP4:不受影响-漏洞代码不存在

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