CVE-2024-47707

一、漏洞信息
 漏洞编号：[CVE-2024-47707](https://nvd.nist.gov/vuln/detail/CVE-2024-47707)
 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：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:ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()Blamed commit accidentally removed a check for rt->rt6i_idev being NULL,as spotted by syzbot:Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTIKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]CPU: 1 UID: 0 PID: 10998 Comm: syz-executor Not tainted 6.11.0-rc6-syzkaller-00208-g625403177711 #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline] RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914Code: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06RSP: 0018:ffffc900047374e0 EFLAGS: 00010246RAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0RBP: ffffc900047375d0 R08: 0000000000000003 R09: fffff520008e6e8cR10: dffffc0000000000 R11: fffff520008e6e8c R12: 1ffff1100fdf8f18R13: ffff88807efc7998 R14: 0000000000000000 R15: ffff88807efc7930FS:  0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033CR2: 0000000020002a80 CR3: 0000000022f62000 CR4: 00000000003506f0DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400Call Trace: <TASK>  addrconf_ifdown+0x15d/0x1bd0 net/ipv6/addrconf.c:3856 addrconf_notify+0x3cb/0x1020  notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93  call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]  call_netdevice_notifiers net/core/dev.c:2046 [inline]  unregister_netdevice_many_notify+0xd81/0x1c40 net/core/dev.c:11352  unregister_netdevice_many net/core/dev.c:11414 [inline]  unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11289  unregister_netdevice include/linux/netdevice.h:3129 [inline]  __tun_detach+0x6b9/0x1600 drivers/net/tun.c:685  tun_detach drivers/net/tun.c:701 [inline]  tun_chr_close+0x108/0x1b0 drivers/net/tun.c:3510  __fput+0x24a/0x8a0 fs/file_table.c:422  task_work_run+0x24f/0x310 kernel/task_work.c:228  exit_task_work include/linux/task_work.h:40 [inline]  do_exit+0xa2f/0x27f0 kernel/exit.c:882  do_group_exit+0x207/0x2c0 kernel/exit.c:1031  __do_sys_exit_group kernel/exit.c:1042 [inline]  __se_sys_exit_group kernel/exit.c:1040 [inline]  __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040  x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232  do_syscall_x64 arch/x86/entry/common.c:52 [inline]  do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7fRIP: 0033:0x7f1acc77def9Code: Unable to access opcode bytes at 0x7f1acc77decf.RSP: 002b:00007ffeb26fa738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1acc77def9RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043RBP: 00007f1acc7dd508 R08: 00007ffeb26f84d7 R09: 0000000000000003R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001R13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffeb26fa8e0 </TASK>Modules linked in:---[ end trace 0000000000000000 ]--- RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline] RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914Code: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06RSP: 0018:ffffc900047374e0 EFLAGS: 00010246RAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0R---truncated---
 漏洞公开时间：2024-10-21 20:15:07
 漏洞创建时间：2024-10-21 20:43:25
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-47707
<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/04ccecfa959d3b9ae7348780d8e379c6486176ac |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/08409e401622e2896b4313be9f781bde8a2a6a53 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/0ceb2f2b5c813f932d6e60d3feec5e7e713da783 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/8a8b83016f06805775db099c8377024b6fa5b975 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/9a0ddc73be37d19dff1ba08290af34e707d18e50 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/a61a174280dad99f25a7dee920310885daf2552b |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/e43dd28405e6b9935279996725ee11e6306547a5 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/f2bd9635543ca41533b870f420872819f8331823 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-47707 | https://bugzilla.suse.com/show_bug.cgi?id=1231935 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-47707.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1231935 |
| suse_bugzilla | https://git.kernel.org/stable/c/f2bd9635543ca41533b870f420872819f8331823 | https://bugzilla.suse.com/show_bug.cgi?id=1231935 |
| suse_bugzilla | https://git.kernel.org/stable/c/0ceb2f2b5c813f932d6e60d3feec5e7e713da783 | https://bugzilla.suse.com/show_bug.cgi?id=1231935 |
| suse_bugzilla | https://git.kernel.org/stable/c/9a0ddc73be37d19dff1ba08290af34e707d18e50 | https://bugzilla.suse.com/show_bug.cgi?id=1231935 |
| suse_bugzilla | https://git.kernel.org/stable/c/08409e401622e2896b4313be9f781bde8a2a6a53 | https://bugzilla.suse.com/show_bug.cgi?id=1231935 |
| suse_bugzilla | https://git.kernel.org/stable/c/04ccecfa959d3b9ae7348780d8e379c6486176ac | https://bugzilla.suse.com/show_bug.cgi?id=1231935 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-47707 | https://bugzilla.suse.com/show_bug.cgi?id=1231935 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2320181 | https://bugzilla.suse.com/show_bug.cgi?id=1231935 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024102117-CVE-2024-47707-d8db@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2320181 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-47707 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2024-47707 |
| mageia |  | http://advisories.mageia.org/MGASA-2024-0345.html |
| osv | https://git.kernel.org/stable/c/04ccecfa959d3b9ae7348780d8e379c6486176ac | https://osv.dev/vulnerability/CVE-2024-47707 |
| osv | https://git.kernel.org/stable/c/08409e401622e2896b4313be9f781bde8a2a6a53 | https://osv.dev/vulnerability/CVE-2024-47707 |
| osv | https://git.kernel.org/stable/c/0ceb2f2b5c813f932d6e60d3feec5e7e713da783 | https://osv.dev/vulnerability/CVE-2024-47707 |
| osv | https://git.kernel.org/stable/c/9a0ddc73be37d19dff1ba08290af34e707d18e50 | https://osv.dev/vulnerability/CVE-2024-47707 |
| osv | https://git.kernel.org/stable/c/f2bd9635543ca41533b870f420872819f8331823 | https://osv.dev/vulnerability/CVE-2024-47707 |
| osv | https://git.kernel.org/stable/c/8a8b83016f06805775db099c8377024b6fa5b975 | https://osv.dev/vulnerability/CVE-2024-47707 |
| osv | https://git.kernel.org/stable/c/a61a174280dad99f25a7dee920310885daf2552b | https://osv.dev/vulnerability/CVE-2024-47707 |
| osv | https://git.kernel.org/stable/c/e43dd28405e6b9935279996725ee11e6306547a5 | https://osv.dev/vulnerability/CVE-2024-47707 |
| osv | https://security-tracker.debian.org/tracker/CVE-2024-47707 | https://osv.dev/vulnerability/CVE-2024-47707 |

</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/04ccecfa959d3b9ae7348780d8e379c6486176ac |  | nvd |
|  |  | https://git.kernel.org/stable/c/08409e401622e2896b4313be9f781bde8a2a6a53 |  | nvd |
|  |  | https://git.kernel.org/stable/c/0ceb2f2b5c813f932d6e60d3feec5e7e713da783 |  | nvd |
|  |  | https://git.kernel.org/stable/c/9a0ddc73be37d19dff1ba08290af34e707d18e50 |  | nvd |
|  |  | https://git.kernel.org/stable/c/f2bd9635543ca41533b870f420872819f8331823 |  | nvd |
| linux_kernel | 6.1.113 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f2bd9635543cIssue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e332bc67cf5e | linuxkernelcves |
| linux_kernel | 6.6.54 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0ceb2f2b5c81Issue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e332bc67cf5e | linuxkernelcves |
| linux_kernel | 6.10.13 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9a0ddc73be37Issue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e332bc67cf5e | linuxkernelcves |
| linux_kernel | 6.11.2 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=08409e401622Issue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e332bc67cf5e | linuxkernelcves |
| linux_kernel | 6.12-rc1 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=04ccecfa959dIssue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e332bc67cf5e | 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:ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev()Blamed commit accidentally removed a check for rt->rt6i_idev being NULL,as spotted by syzbot:Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTIKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]CPU: 1 UID: 0 PID: 10998 Comm: syz-executor Not tainted 6.11.0-rc6-syzkaller-00208-g625403177711 #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline] RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914Code: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06RSP: 0018:ffffc900047374e0 EFLAGS: 00010246RAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0RBP: ffffc900047375d0 R08: 0000000000000003 R09: fffff520008e6e8cR10: dffffc0000000000 R11: fffff520008e6e8c R12: 1ffff1100fdf8f18R13: ffff88807efc7998 R14: 0000000000000000 R15: ffff88807efc7930FS:  0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033CR2: 0000000020002a80 CR3: 0000000022f62000 CR4: 00000000003506f0DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400Call Trace: <TASK>  addrconf_ifdown+0x15d/0x1bd0 net/ipv6/addrconf.c:3856 addrconf_notify+0x3cb/0x1020  notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93  call_netdevice_notifiers_extack net/core/dev.c:2032 [inline]  call_netdevice_notifiers net/core/dev.c:2046 [inline]  unregister_netdevice_many_notify+0xd81/0x1c40 net/core/dev.c:11352  unregister_netdevice_many net/core/dev.c:11414 [inline]  unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11289  unregister_netdevice include/linux/netdevice.h:3129 [inline]  __tun_detach+0x6b9/0x1600 drivers/net/tun.c:685  tun_detach drivers/net/tun.c:701 [inline]  tun_chr_close+0x108/0x1b0 drivers/net/tun.c:3510  __fput+0x24a/0x8a0 fs/file_table.c:422  task_work_run+0x24f/0x310 kernel/task_work.c:228  exit_task_work include/linux/task_work.h:40 [inline]  do_exit+0xa2f/0x27f0 kernel/exit.c:882  do_group_exit+0x207/0x2c0 kernel/exit.c:1031  __do_sys_exit_group kernel/exit.c:1042 [inline]  __se_sys_exit_group kernel/exit.c:1040 [inline]  __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040  x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232  do_syscall_x64 arch/x86/entry/common.c:52 [inline]  do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7fRIP: 0033:0x7f1acc77def9Code: Unable to access opcode bytes at 0x7f1acc77decf.RSP: 002b:00007ffeb26fa738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1acc77def9RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043RBP: 00007f1acc7dd508 R08: 00007ffeb26f84d7 R09: 0000000000000003R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001R13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffeb26fa8e0 </TASK>Modules linked in:---[ end trace 0000000000000000 ]--- RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline] RIP: 0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914Code: 41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06RSP: 0018:ffffc900047374e0 EFLAGS: 00010246RAX: 0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0R---truncated---
 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):受影响
2.openEuler-22.03-LTS-SP3(5.10.0):受影响
3.openEuler-22.03-LTS-SP4(5.10.0):受影响
4.openEuler-24.03-LTS(6.6.0):受影响
5.master(6.6.0):不受影响
6.openEuler-24.03-LTS-Next(6.6.0):不受影响
7.openEuler-24.03-LTS-SP1(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
8.openEuler-24.03-LTS-SP1(6.6.0):否

原因说明：
  1.openEuler-22.03-LTS-SP3(5.10.0):正常修复
2.openEuler-22.03-LTS-SP4(5.10.0):正常修复
3.openEuler-24.03-LTS(6.6.0):正常修复
4.openEuler-20.03-LTS-SP4(4.19.90):不修复-超出修复范围
5.master(6.6.0):不受影响-漏洞代码不能被攻击者触发
6.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-SP1(6.6.0):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-2024-2521

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