CVE-2024-35896

一、漏洞信息
 漏洞编号：[CVE-2024-35896](https://nvd.nist.gov/vuln/detail/CVE-2024-35896)
 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：7.1 High
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:netfilter: validate user input for expected lengthI got multiple syzbot reports showing old bugs exposedby BPF after commit 20f2505fb436 ( bpf: Try to avoid kzallocin cgroup/{s,g}etsockopt )setsockopt() @optlen argument should be taken into accountbefore copying data. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline] BUG: KASAN: slab-out-of-bounds in do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627Read of size 96 at addr ffff88802cd73da0 by task syz-executor.4/7238CPU: 1 PID: 7238 Comm: syz-executor.4 Not tainted 6.9.0-rc2-next-20240403-syzkaller #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024Call Trace: <TASK>  __dump_stack lib/dump_stack.c:88 [inline]  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114  print_address_description mm/kasan/report.c:377 [inline]  print_report+0x169/0x550 mm/kasan/report.c:488  kasan_report+0x143/0x180 mm/kasan/report.c:601  kasan_check_range+0x282/0x290 mm/kasan/generic.c:189  __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105  copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]  copy_from_sockptr include/linux/sockptr.h:55 [inline]  do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]  do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627  nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101  do_sock_setsockopt+0x3af/0x720 net/socket.c:2311  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334  __do_sys_setsockopt net/socket.c:2343 [inline]  __se_sys_setsockopt net/socket.c:2340 [inline]  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x72/0x7aRIP: 0033:0x7fd22067dde9Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48RSP: 002b:00007fd21f9ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036RAX: ffffffffffffffda RBX: 00007fd2207abf80 RCX: 00007fd22067dde9RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003RBP: 00007fd2206ca47a R08: 0000000000000001 R09: 0000000000000000R10: 0000000020000880 R11: 0000000000000246 R12: 0000000000000000R13: 000000000000000b R14: 00007fd2207abf80 R15: 00007ffd2d0170d8 </TASK>Allocated by task 7238:  kasan_save_stack mm/kasan/common.c:47 [inline]  kasan_save_track+0x3f/0x80 mm/kasan/common.c:68  poison_kmalloc_redzone mm/kasan/common.c:370 [inline]  __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387  kasan_kmalloc include/linux/kasan.h:211 [inline]  __do_kmalloc_node mm/slub.c:4069 [inline]  __kmalloc_noprof+0x200/0x410 mm/slub.c:4082  kmalloc_noprof include/linux/slab.h:664 [inline]  __cgroup_bpf_run_filter_setsockopt+0xd47/0x1050 kernel/bpf/cgroup.c:1869  do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334  __do_sys_setsockopt net/socket.c:2343 [inline]  __se_sys_setsockopt net/socket.c:2340 [inline]  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x72/0x7aThe buggy address belongs to the object at ffff88802cd73da0 which belongs to the cache kmalloc-8 of size 8The buggy address is located 0 bytes inside of allocated 1-byte region [ffff88802cd73da0, ffff88802cd73da1)The buggy address belongs to the physical page:page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802cd73020 pfn:0x2cd73flags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff)page_type: 0xffffefff(slab)raw: 00fff80000000000 ffff888015041280 dead000000000100 dead000000000122raw: ffff88802cd73020 000000008080007f 00000001ffffefff 00---truncated---
 漏洞公开时间：2024-05-19 17:15:10
 漏洞创建时间：2024-05-19 10:06:56
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-35896
<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/0c83842df40f86e529db6842231154772c20edcc |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/0f038242b77ddfc505bf4163d4904c1abd2e74d6 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/18aae2cb87e5faa9c5bd865260ceadac60d5a6c5 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/440e948cf0eff32cfe322dcbca3f2525354b159b |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525 |  |
| af854a3a-2127-422b-91ae-364da2661108 | https://git.kernel.org/stable/c/0c83842df40f86e529db6842231154772c20edcc |  |
| af854a3a-2127-422b-91ae-364da2661108 | https://git.kernel.org/stable/c/0f038242b77ddfc505bf4163d4904c1abd2e74d6 |  |
| af854a3a-2127-422b-91ae-364da2661108 | https://git.kernel.org/stable/c/18aae2cb87e5faa9c5bd865260ceadac60d5a6c5 |  |
| af854a3a-2127-422b-91ae-364da2661108 | https://git.kernel.org/stable/c/440e948cf0eff32cfe322dcbca3f2525354b159b |  |
| af854a3a-2127-422b-91ae-364da2661108 | https://git.kernel.org/stable/c/58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018 |  |
| af854a3a-2127-422b-91ae-364da2661108 | https://git.kernel.org/stable/c/81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525 |  |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-35896 | https://bugzilla.suse.com/show_bug.cgi?id=1224662 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-35896 | https://bugzilla.suse.com/show_bug.cgi?id=1224662 |
| suse_bugzilla | https://git.kernel.org/stable/c/0c83842df40f86e529db6842231154772c20edcc | https://bugzilla.suse.com/show_bug.cgi?id=1224662 |
| suse_bugzilla | https://git.kernel.org/stable/c/0f038242b77ddfc505bf4163d4904c1abd2e74d6 | https://bugzilla.suse.com/show_bug.cgi?id=1224662 |
| suse_bugzilla | https://git.kernel.org/stable/c/18aae2cb87e5faa9c5bd865260ceadac60d5a6c5 | https://bugzilla.suse.com/show_bug.cgi?id=1224662 |
| suse_bugzilla | https://git.kernel.org/stable/c/440e948cf0eff32cfe322dcbca3f2525354b159b | https://bugzilla.suse.com/show_bug.cgi?id=1224662 |
| suse_bugzilla | https://git.kernel.org/stable/c/58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018 | https://bugzilla.suse.com/show_bug.cgi?id=1224662 |
| suse_bugzilla | https://git.kernel.org/stable/c/81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525 | https://bugzilla.suse.com/show_bug.cgi?id=1224662 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-35896.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1224662 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024051950-CVE-2024-35896-e6b5@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2281675 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5067 | https://bugzilla.redhat.com/show_bug.cgi?id=2281675 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5066 | https://bugzilla.redhat.com/show_bug.cgi?id=2281675 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5102 | https://bugzilla.redhat.com/show_bug.cgi?id=2281675 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5101 | https://bugzilla.redhat.com/show_bug.cgi?id=2281675 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5928 | https://bugzilla.redhat.com/show_bug.cgi?id=2281675 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2024-35896 | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://git.kernel.org/linus/0c83842df40f86e529db6842231154772c20edcc (6.9-rc3) | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://git.kernel.org/stable/c/0f038242b77ddfc505bf4163d4904c1abd2e74d6 | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://git.kernel.org/stable/c/440e948cf0eff32cfe322dcbca3f2525354b159b | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://git.kernel.org/stable/c/18aae2cb87e5faa9c5bd865260ceadac60d5a6c5 | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://git.kernel.org/stable/c/81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525 | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://git.kernel.org/stable/c/58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018 | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://git.kernel.org/stable/c/0c83842df40f86e529db6842231154772c20edcc | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://ubuntu.com/security/notices/USN-6893-1 | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2024-35896 | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2024-35896 | https://ubuntu.com/security/CVE-2024-35896 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2024-35896 | https://ubuntu.com/security/CVE-2024-35896 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-35896 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2024-35896 |

</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/0c83842df40f86e529db6842231154772c20edcc |  | nvd |
|  |  | https://git.kernel.org/stable/c/0f038242b77ddfc505bf4163d4904c1abd2e74d6 |  | nvd |
|  |  | https://git.kernel.org/stable/c/18aae2cb87e5faa9c5bd865260ceadac60d5a6c5 |  | nvd |
|  |  | https://git.kernel.org/stable/c/440e948cf0eff32cfe322dcbca3f2525354b159b |  | nvd |
|  |  | https://git.kernel.org/stable/c/58f2bfb789e6bd3bc24a2c9c1580f3c67aec3018 |  | nvd |
|  |  | https://git.kernel.org/stable/c/81d51b9b7c95e791ba3c1a2dd77920a9d3b3f525 |  | nvd |
|  |  | https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html |  | nvd |
| linux |  | https://git.kernel.org/linus/0c83842df40f86e529db6842231154772c20edcc | https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | 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:netfilter: validate user input for expected lengthI got multiple syzbot reports showing old bugs exposedby BPF after commit 20f2505fb436 ( bpf: Try to avoid kzallocin cgroup/{s,g}etsockopt )setsockopt() @optlen argument should be taken into accountbefore copying data. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline] BUG: KASAN: slab-out-of-bounds in do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627Read of size 96 at addr ffff88802cd73da0 by task syz-executor.4/7238CPU: 1 PID: 7238 Comm: syz-executor.4 Not tainted 6.9.0-rc2-next-20240403-syzkaller #0Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024Call Trace: <TASK>  __dump_stack lib/dump_stack.c:88 [inline]  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114  print_address_description mm/kasan/report.c:377 [inline]  print_report+0x169/0x550 mm/kasan/report.c:488  kasan_report+0x143/0x180 mm/kasan/report.c:601  kasan_check_range+0x282/0x290 mm/kasan/generic.c:189  __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105  copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]  copy_from_sockptr include/linux/sockptr.h:55 [inline]  do_replace net/ipv4/netfilter/ip_tables.c:1111 [inline]  do_ipt_set_ctl+0x902/0x3dd0 net/ipv4/netfilter/ip_tables.c:1627  nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101  do_sock_setsockopt+0x3af/0x720 net/socket.c:2311  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334  __do_sys_setsockopt net/socket.c:2343 [inline]  __se_sys_setsockopt net/socket.c:2340 [inline]  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x72/0x7aRIP: 0033:0x7fd22067dde9Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48RSP: 002b:00007fd21f9ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036RAX: ffffffffffffffda RBX: 00007fd2207abf80 RCX: 00007fd22067dde9RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003RBP: 00007fd2206ca47a R08: 0000000000000001 R09: 0000000000000000R10: 0000000020000880 R11: 0000000000000246 R12: 0000000000000000R13: 000000000000000b R14: 00007fd2207abf80 R15: 00007ffd2d0170d8 </TASK>Allocated by task 7238:  kasan_save_stack mm/kasan/common.c:47 [inline]  kasan_save_track+0x3f/0x80 mm/kasan/common.c:68  poison_kmalloc_redzone mm/kasan/common.c:370 [inline]  __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387  kasan_kmalloc include/linux/kasan.h:211 [inline]  __do_kmalloc_node mm/slub.c:4069 [inline]  __kmalloc_noprof+0x200/0x410 mm/slub.c:4082  kmalloc_noprof include/linux/slab.h:664 [inline]  __cgroup_bpf_run_filter_setsockopt+0xd47/0x1050 kernel/bpf/cgroup.c:1869  do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334  __do_sys_setsockopt net/socket.c:2343 [inline]  __se_sys_setsockopt net/socket.c:2340 [inline]  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x72/0x7aThe buggy address belongs to the object at ffff88802cd73da0 which belongs to the cache kmalloc-8 of size 8The buggy address is located 0 bytes inside of allocated 1-byte region [ffff88802cd73da0, ffff88802cd73da1)The buggy address belongs to the physical page:page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802cd73020 pfn:0x2cd73flags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff)page_type: 0xffffefff(slab)raw: 00fff80000000000 ffff888015041280 dead000000000100 dead000000000122raw: ffff88802cd73020 000000008080007f 00000001ffffefff 00---truncated---
 openEuler评分：
  7.1
 Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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):不受影响
4.master(6.6.0):不受影响
5.openEuler-24.03-LTS(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-20.03-LTS-SP4(4.19.90):正常修复
2.openEuler-22.03-LTS-SP3(5.10.0):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-22.03-LTS-SP4(5.10.0):不受影响-漏洞代码不存在
6.openEuler-24.03-LTS(6.6.0):不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-SP1(6.6.0):不受影响-漏洞代码不存在

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