CVE-2024-50128

一、漏洞信息
 漏洞编号：[CVE-2024-50128](https://nvd.nist.gov/vuln/detail/CVE-2024-50128)
 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 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:net: wwan: fix global oob in wwan_rtnl_policyThe variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads toa global out-of-bounds read when parsing the netlink attributes. Exactlysame bug cause as the oob fixed in commit b33fb5b801c6 ( net: qualcomm:rmnet: fix global oob in rmnet_policy ).==================================================================BUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline]BUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603Read of size 1 at addr ffffffff8b09cb60 by task syz.1.66276/323862CPU: 0 PID: 323862 Comm: syz.1.66276 Not tainted 6.1.70 #1Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x14f/0x750 mm/kasan/report.c:395 kasan_report+0x139/0x170 mm/kasan/report.c:495 validate_nla lib/nlattr.c:388 [inline] __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603 __nla_parse+0x3c/0x50 lib/nlattr.c:700 nla_parse_nested_deprecated include/net/netlink.h:1269 [inline] __rtnl_newlink net/core/rtnetlink.c:3514 [inline] rtnl_newlink+0x7bc/0x1fd0 net/core/rtnetlink.c:3623 rtnetlink_rcv_msg+0x794/0xef0 net/core/rtnetlink.c:6122 netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2508 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x74b/0x8c0 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x882/0xb90 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:716 [inline] __sock_sendmsg net/socket.c:728 [inline] ____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499 ___sys_sendmsg+0x21c/0x290 net/socket.c:2553 __sys_sendmsg net/socket.c:2582 [inline] __do_sys_sendmsg net/socket.c:2591 [inline] __se_sys_sendmsg+0x19e/0x270 net/socket.c:2589 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcdRIP: 0033:0x7f67b19a24adRSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002eRAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24adRDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004RBP: 00007f67b1a1e01d R08: 0000000000000000 R09: 0000000000000000R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000R13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40 </TASK>The buggy address belongs to the variable: wwan_rtnl_policy+0x20/0x40The buggy address belongs to the physical page:page:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09cflags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff)raw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 0000000000000000raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000page dumped because: kasan: bad access detectedpage_owner info is not present (never set?)Memory state around the buggy address: ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 00 01 f9 f9 ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9>ffffffff8b09cb00: 00 00 00 00 05 f9 f9 f9 00 00 00 00 f9 f9 f9 f9                                                       ^ ffffffff8b09cb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00==================================================================According to the comment of `nla_parse_nested_deprecated`, use correct size`IFLA_WWAN_MAX` here to fix this issue.
 漏洞公开时间：2024-11-06 02:15:15
 漏洞创建时间：2024-11-06 02:36:07
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-50128
<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/47dd5447cab8ce30a847a0337d5341ae4c7476a7 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/69076f8435c1c5dae5f814eaf4c361d1f00b22a3 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/9683804e36668f6093fb06e202eed2f188ba437e |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/a3ffce63dcc0c208edd4d196e17baed22ebcb643 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/c9a0aed51977198df005d0a623090e38e2d77d7b |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-50128 | https://bugzilla.suse.com/show_bug.cgi?id=1232905 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-50128.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1232905 |
| suse_bugzilla | https://git.kernel.org/stable/c/c9a0aed51977198df005d0a623090e38e2d77d7b | https://bugzilla.suse.com/show_bug.cgi?id=1232905 |
| suse_bugzilla | https://git.kernel.org/stable/c/9683804e36668f6093fb06e202eed2f188ba437e | https://bugzilla.suse.com/show_bug.cgi?id=1232905 |
| suse_bugzilla | https://git.kernel.org/stable/c/69076f8435c1c5dae5f814eaf4c361d1f00b22a3 | https://bugzilla.suse.com/show_bug.cgi?id=1232905 |
| suse_bugzilla | https://git.kernel.org/stable/c/a3ffce63dcc0c208edd4d196e17baed22ebcb643 | https://bugzilla.suse.com/show_bug.cgi?id=1232905 |
| suse_bugzilla | https://git.kernel.org/stable/c/47dd5447cab8ce30a847a0337d5341ae4c7476a7 | https://bugzilla.suse.com/show_bug.cgi?id=1232905 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-50128 | https://bugzilla.suse.com/show_bug.cgi?id=1232905 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2323918 | https://bugzilla.suse.com/show_bug.cgi?id=1232905 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024110557-CVE-2024-50128-0fd8@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2323918 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-50128 |

</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/47dd5447cab8ce30a847a0337d5341ae4c7476a7 |  | nvd |
|  |  | https://git.kernel.org/stable/c/69076f8435c1c5dae5f814eaf4c361d1f00b22a3 |  | nvd |
|  |  | https://git.kernel.org/stable/c/9683804e36668f6093fb06e202eed2f188ba437e |  | nvd |
|  |  | https://git.kernel.org/stable/c/a3ffce63dcc0c208edd4d196e17baed22ebcb643 |  | nvd |
|  |  | https://git.kernel.org/stable/c/c9a0aed51977198df005d0a623090e38e2d77d7b |  | nvd |

</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:net: wwan: fix global oob in wwan_rtnl_policyThe variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads toa global out-of-bounds read when parsing the netlink attributes. Exactlysame bug cause as the oob fixed in commit b33fb5b801c6 ( net: qualcomm:rmnet: fix global oob in rmnet_policy ).==================================================================BUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline]BUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603Read of size 1 at addr ffffffff8b09cb60 by task syz.1.66276/323862CPU: 0 PID: 323862 Comm: syz.1.66276 Not tainted 6.1.70 #1Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x14f/0x750 mm/kasan/report.c:395 kasan_report+0x139/0x170 mm/kasan/report.c:495 validate_nla lib/nlattr.c:388 [inline] __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603 __nla_parse+0x3c/0x50 lib/nlattr.c:700 nla_parse_nested_deprecated include/net/netlink.h:1269 [inline] __rtnl_newlink net/core/rtnetlink.c:3514 [inline] rtnl_newlink+0x7bc/0x1fd0 net/core/rtnetlink.c:3623 rtnetlink_rcv_msg+0x794/0xef0 net/core/rtnetlink.c:6122 netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2508 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x74b/0x8c0 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x882/0xb90 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:716 [inline] __sock_sendmsg net/socket.c:728 [inline] ____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499 ___sys_sendmsg+0x21c/0x290 net/socket.c:2553 __sys_sendmsg net/socket.c:2582 [inline] __do_sys_sendmsg net/socket.c:2591 [inline] __se_sys_sendmsg+0x19e/0x270 net/socket.c:2589 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcdRIP: 0033:0x7f67b19a24adRSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002eRAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24adRDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004RBP: 00007f67b1a1e01d R08: 0000000000000000 R09: 0000000000000000R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000R13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40 </TASK>The buggy address belongs to the variable: wwan_rtnl_policy+0x20/0x40The buggy address belongs to the physical page:page:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09cflags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff)raw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 0000000000000000raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000page dumped because: kasan: bad access detectedpage_owner info is not present (never set?)Memory state around the buggy address: ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 00 01 f9 f9 ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9>ffffffff8b09cb00: 00 00 00 00 05 f9 f9 f9 00 00 00 00 f9 f9 f9 f9                                                       ^ ffffffff8b09cb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00==================================================================According to the comment of `nla_parse_nested_deprecated`, use correct size`IFLA_WWAN_MAX` here to fix this issue.
 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-24.03-LTS(6.6.0):受影响
2.openEuler-20.03-LTS-SP4(4.19.90):不受影响
3.openEuler-22.03-LTS-SP1(5.10.0):不受影响
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响
5.openEuler-22.03-LTS-SP4(5.10.0):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
8.openEuler-24.03-LTS-SP1: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:否

原因说明：
  1.openEuler-24.03-LTS(6.6.0):正常修复
2.openEuler-20.03-LTS-SP4(4.19.90):不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP1(5.10.0):不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响-漏洞代码不存在
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响-漏洞代码不存在
6.master(6.6.0):不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不存在
8.openEuler-24.03-LTS-SP1: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-2024-2522

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