CVE-2024-40960

一、漏洞信息
 漏洞编号：[CVE-2024-40960](https://nvd.nist.gov/vuln/detail/CVE-2024-40960)
 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 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:ipv6: prevent possible NULL dereference in rt6_probe()syzbot caught a NULL dereference in rt6_probe() [1]Bail out if  __in6_dev_get() returns NULL.[1]Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 [#1] PREEMPT SMP KASAN PTIKASAN: null-ptr-deref in range [0x0000000000000658-0x000000000000065f]CPU: 1 PID: 22444 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:rt6_probe net/ipv6/route.c:656 [inline] RIP: 0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758Code: 14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19RSP: 0018:ffffc900034af070 EFLAGS: 00010203RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004521000RDX: 00000000000000cb RSI: ffffffff8990d0cd RDI: 000000000000065cRBP: ffffc900034af150 R08: 0000000000000005 R09: 0000000000000000R10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000aR13: 1ffff92000695e18 R14: ffff8880244a1d20 R15: 0000000000000000FS:  00007f4844a5a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033CR2: 0000001b31b27000 CR3: 000000002d42c000 CR4: 00000000003506f0DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400Call Trace: <TASK>  rt6_nh_find_match+0xfa/0x1a0 net/ipv6/route.c:784  nexthop_for_each_fib6_nh+0x26d/0x4a0 net/ipv4/nexthop.c:1496  __find_rr_leaf+0x6e7/0xe00 net/ipv6/route.c:825  find_rr_leaf net/ipv6/route.c:853 [inline]  rt6_select net/ipv6/route.c:897 [inline]  fib6_table_lookup+0x57e/0xa30 net/ipv6/route.c:2195  ip6_pol_route+0x1cd/0x1150 net/ipv6/route.c:2231  pol_lookup_func include/net/ip6_fib.h:616 [inline]  fib6_rule_lookup+0x386/0x720 net/ipv6/fib6_rules.c:121  ip6_route_output_flags_noref net/ipv6/route.c:2639 [inline]  ip6_route_output_flags+0x1d0/0x640 net/ipv6/route.c:2651  ip6_dst_lookup_tail.constprop.0+0x961/0x1760 net/ipv6/ip6_output.c:1147  ip6_dst_lookup_flow+0x99/0x1d0 net/ipv6/ip6_output.c:1250  rawv6_sendmsg+0xdab/0x4340 net/ipv6/raw.c:898  inet_sendmsg+0x119/0x140 net/ipv4/af_inet.c:853  sock_sendmsg_nosec net/socket.c:730 [inline]  __sock_sendmsg net/socket.c:745 [inline]  sock_write_iter+0x4b8/0x5c0 net/socket.c:1160  new_sync_write fs/read_write.c:497 [inline]  vfs_write+0x6b6/0x1140 fs/read_write.c:590  ksys_write+0x1f8/0x260 fs/read_write.c:643  do_syscall_x64 arch/x86/entry/common.c:52 [inline]  do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f
 漏洞公开时间：2024-07-12 21:15:18
 漏洞创建时间：2024-07-13 21:28:12
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-40960
<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/1ed9849fdf9a1a617129346b11d2094ca26828dc |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/569c9d9ea6648d099187527b93982f406ddcebc0 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/6eed6d3cd19ff3cfa83aeceed86da14abaf7417b |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/b86762dbe19a62e785c189f313cda5b989931f37 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/d66fc4826127c82f99c4033380f8e93833d331c7 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/f0cda984e4e634b221dbf9642b8ecc5b4806b41e |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-40960 | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-40960 | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://git.kernel.org/stable/c/1ed9849fdf9a1a617129346b11d2094ca26828dc | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://git.kernel.org/stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2 | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://git.kernel.org/stable/c/569c9d9ea6648d099187527b93982f406ddcebc0 | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://git.kernel.org/stable/c/6eed6d3cd19ff3cfa83aeceed86da14abaf7417b | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://git.kernel.org/stable/c/73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6 | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://git.kernel.org/stable/c/b86762dbe19a62e785c189f313cda5b989931f37 | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://git.kernel.org/stable/c/d66fc4826127c82f99c4033380f8e93833d331c7 | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://git.kernel.org/stable/c/f0cda984e4e634b221dbf9642b8ecc5b4806b41e | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-40960.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1227813 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-40960 |

</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:
  其它
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

无
</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: prevent possible NULL dereference in rt6_probe()syzbot caught a NULL dereference in rt6_probe() [1]Bail out if  __in6_dev_get() returns NULL.[1]Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 [#1] PREEMPT SMP KASAN PTIKASAN: null-ptr-deref in range [0x0000000000000658-0x000000000000065f]CPU: 1 PID: 22444 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:rt6_probe net/ipv6/route.c:656 [inline] RIP: 0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758Code: 14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 &lt;0f&gt; b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19RSP: 0018:ffffc900034af070 EFLAGS: 00010203RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004521000RDX: 00000000000000cb RSI: ffffffff8990d0cd RDI: 000000000000065cRBP: ffffc900034af150 R08: 0000000000000005 R09: 0000000000000000R10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000aR13: 1ffff92000695e18 R14: ffff8880244a1d20 R15: 0000000000000000FS:  00007f4844a5a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033CR2: 0000001b31b27000 CR3: 000000002d42c000 CR4: 00000000003506f0DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400Call Trace: &lt;TASK&gt;  rt6_nh_find_match+0xfa/0x1a0 net/ipv6/route.c:784  nexthop_for_each_fib6_nh+0x26d/0x4a0 net/ipv4/nexthop.c:1496  __find_rr_leaf+0x6e7/0xe00 net/ipv6/route.c:825  find_rr_leaf net/ipv6/route.c:853 [inline]  rt6_select net/ipv6/route.c:897 [inline]  fib6_table_lookup+0x57e/0xa30 net/ipv6/route.c:2195  ip6_pol_route+0x1cd/0x1150 net/ipv6/route.c:2231  pol_lookup_func include/net/ip6_fib.h:616 [inline]  fib6_rule_lookup+0x386/0x720 net/ipv6/fib6_rules.c:121  ip6_route_output_flags_noref net/ipv6/route.c:2639 [inline]  ip6_route_output_flags+0x1d0/0x640 net/ipv6/route.c:2651  ip6_dst_lookup_tail.constprop.0+0x961/0x1760 net/ipv6/ip6_output.c:1147  ip6_dst_lookup_flow+0x99/0x1d0 net/ipv6/ip6_output.c:1250  rawv6_sendmsg+0xdab/0x4340 net/ipv6/raw.c:898  inet_sendmsg+0x119/0x140 net/ipv4/af_inet.c:853  sock_sendmsg_nosec net/socket.c:730 [inline]  __sock_sendmsg net/socket.c:745 [inline]  sock_write_iter+0x4b8/0x5c0 net/socket.c:1160  new_sync_write fs/read_write.c:497 [inline]  vfs_write+0x6b6/0x1140 fs/read_write.c:590  ksys_write+0x1f8/0x260 fs/read_write.c:643  do_syscall_x64 arch/x86/entry/common.c:52 [inline]  do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7fThe Linux kernel CVE team has assigned CVE-2024-40960 to this issue.  
 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-20.03-LTS-SP4(4.19.90):受影响
2.openEuler-22.03-LTS-SP1(5.10.0):受影响
3.openEuler-22.03-LTS-SP3(5.10.0):受影响
4.openEuler-24.03-LTS(6.6.0):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-2024-1944

src-openEuler / kernel
Closed

Content Risk Flag

Comments (29)

src-openEuler / kernelClosed .gitee-modal { width: 500px !important; }

Content Risk Flag

CVE-2024-40960

Comments (29)

Search

src-openEuler / kernel
Closed