CVE-2024-50128 (GCVE-0-2024-50128)
Vulnerability from cvelistv5 – Published: 2024-11-05 17:10 – Updated: 2026-08-05 11:41
VLAI
EPSS
VEX
Title
net: wwan: fix global oob in wwan_rtnl_policy
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: wwan: fix global oob in wwan_rtnl_policy
The variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to
a global out-of-bounds read when parsing the netlink attributes. Exactly
same 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:603
Read of size 1 at addr ffffffff8b09cb60 by task syz.1.66276/323862
CPU: 0 PID: 323862 Comm: syz.1.66276 Not tainted 6.1.70 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
Call 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+0x63/0xcd
RIP: 0033:0x7f67b19a24ad
RSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24ad
RDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004
RBP: 00007f67b1a1e01d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40
</TASK>
The buggy address belongs to the variable:
wwan_rtnl_policy+0x20/0x40
The buggy address belongs to the physical page:
page:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09c
flags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_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.
Severity
7.8 (High)
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:21 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
88b710532e53de2466d1033fb1d5125aabf3215a , < c9a0aed51977198df005d0a623090e38e2d77d7b
(git)
Affected: 88b710532e53de2466d1033fb1d5125aabf3215a , < 9683804e36668f6093fb06e202eed2f188ba437e (git) Affected: 88b710532e53de2466d1033fb1d5125aabf3215a , < 69076f8435c1c5dae5f814eaf4c361d1f00b22a3 (git) Affected: 88b710532e53de2466d1033fb1d5125aabf3215a , < a3ffce63dcc0c208edd4d196e17baed22ebcb643 (git) Affected: 88b710532e53de2466d1033fb1d5125aabf3215a , < 47dd5447cab8ce30a847a0337d5341ae4c7476a7 (git) |
guessed | |
| Linux | Linux |
Affected:
5.14
Unaffected: 0 , < 5.14 (semver) Unaffected: 5.15.170 , ≤ 5.15.* (semver) Unaffected: 6.1.115 , ≤ 6.1.* (semver) Unaffected: 6.6.59 , ≤ 6.6.* (semver) Unaffected: 6.11.6 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix) |
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wwan: fix global oob in wwan_rtnl_policy\n\nThe variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to\na global out-of-bounds read when parsing the netlink attributes. Exactly\nsame bug cause as the oob fixed in commit b33fb5b801c6 (\"net: qualcomm:\nrmnet: fix global oob in rmnet_policy\").\n\n==================================================================\nBUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline]\nBUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\nRead of size 1 at addr ffffffff8b09cb60 by task syz.1.66276/323862\n\nCPU: 0 PID: 323862 Comm: syz.1.66276 Not tainted 6.1.70 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:284 [inline]\n print_report+0x14f/0x750 mm/kasan/report.c:395\n kasan_report+0x139/0x170 mm/kasan/report.c:495\n validate_nla lib/nlattr.c:388 [inline]\n __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\n __nla_parse+0x3c/0x50 lib/nlattr.c:700\n nla_parse_nested_deprecated include/net/netlink.h:1269 [inline]\n __rtnl_newlink net/core/rtnetlink.c:3514 [inline]\n rtnl_newlink+0x7bc/0x1fd0 net/core/rtnetlink.c:3623\n rtnetlink_rcv_msg+0x794/0xef0 net/core/rtnetlink.c:6122\n netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2508\n netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]\n netlink_unicast+0x74b/0x8c0 net/netlink/af_netlink.c:1352\n netlink_sendmsg+0x882/0xb90 net/netlink/af_netlink.c:1874\n sock_sendmsg_nosec net/socket.c:716 [inline]\n __sock_sendmsg net/socket.c:728 [inline]\n ____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499\n ___sys_sendmsg+0x21c/0x290 net/socket.c:2553\n __sys_sendmsg net/socket.c:2582 [inline]\n __do_sys_sendmsg net/socket.c:2591 [inline]\n __se_sys_sendmsg+0x19e/0x270 net/socket.c:2589\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7f67b19a24ad\nRSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24ad\nRDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004\nRBP: 00007f67b1a1e01d R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40\n \u003c/TASK\u003e\n\nThe buggy address belongs to the variable:\n wwan_rtnl_policy+0x20/0x40\n\nThe buggy address belongs to the physical page:\npage:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09c\nflags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff)\nraw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 0000000000000000\nraw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner info is not present (never set?)\n\nMemory state around the buggy address:\n ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 00 01 f9 f9\n ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9\n\u003effffffff8b09cb00: 00 00 00 00 05 f9 f9 f9 00 00 00 00 f9 f9 f9 f9\n ^\n ffffffff8b09cb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n==================================================================\n\nAccording to the comment of `nla_parse_nested_deprecated`, use correct size\n`IFLA_WWAN_MAX` here to fix this issue."
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"lang": "en",
"value": "AV:L - The vulnerability is reached by `sendmsg()` on a local `AF_NETLINK`/`NETLINK_ROUTE` socket carrying an `RTM_NEWLINK` message; no remote or adjacent-network packet reaches this code.\nAC:L - The attacker fully controls the netlink message and simply emits `IFLA_LINKINFO{IFLA_INFO_KIND=\"wwan\", IFLA_INFO_DATA{attr type 2}}`, deterministically hitting `policy[2]` on every attempt with no race or memory-layout luck involved.\nPR:L - `rtnetlink_rcv_msg` gates `RTM_NEWLINK` on `netlink_net_capable(skb, CAP_NET_ADMIN)`, which checks the capability against the network namespace\u0027s owning user namespace, so any unprivileged local user obtains it via `unshare -Urn`.\nUI:N - The attacker triggers the out-of-bounds read entirely from its own process by sending one netlink message; no victim action or cooperating user is needed.\nS:U - The out-of-bounds read and its consequences stay within the kernel\u0027s own security authority; no hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - A full 16-byte `struct nla_policy` beyond the array is read, and its contents are handed back to userspace through `NLMSGERR_ATTR_POLICY`, while the `NLA_REJECT` path dereferences the out-of-bounds `reject_message` pointer and copies the string at that arbitrary kernel address to the caller via `NLMSGERR_ATTR_MSG`.\nI:H - The out-of-bounds entry is consumed as control data: `NLA_VALIDATE_FUNCTION` performs an indirect call through the out-of-bounds `pt-\u003evalidate` pointer and `NLA_NESTED`/`NLA_NESTED_ARRAY` recurse using the out-of-bounds `pt-\u003enested_policy` pointer, giving a control-flow transfer through memory the policy array never owned.\nA:H - `BUG_ON(pt-\u003etype \u003e NLA_TYPE_MAX)` fires whenever the out-of-bounds byte exceeds 21, panicking the kernel from a context that holds `rtnl_lock`, so even a survivable oops permanently deadlocks all network configuration; the wild `reject_message`/`nested_policy` dereferences add further fatal faults."
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wwan: fix global oob in wwan_rtnl_policy\n\nThe variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to\na global out-of-bounds read when parsing the netlink attributes. Exactly\nsame bug cause as the oob fixed in commit b33fb5b801c6 (\"net: qualcomm:\nrmnet: fix global oob in rmnet_policy\").\n\n==================================================================\nBUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline]\nBUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\nRead of size 1 at addr ffffffff8b09cb60 by task syz.1.66276/323862\n\nCPU: 0 PID: 323862 Comm: syz.1.66276 Not tainted 6.1.70 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:284 [inline]\n print_report+0x14f/0x750 mm/kasan/report.c:395\n kasan_report+0x139/0x170 mm/kasan/report.c:495\n validate_nla lib/nlattr.c:388 [inline]\n __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\n __nla_parse+0x3c/0x50 lib/nlattr.c:700\n nla_parse_nested_deprecated include/net/netlink.h:1269 [inline]\n __rtnl_newlink net/core/rtnetlink.c:3514 [inline]\n rtnl_newlink+0x7bc/0x1fd0 net/core/rtnetlink.c:3623\n rtnetlink_rcv_msg+0x794/0xef0 net/core/rtnetlink.c:6122\n netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2508\n netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]\n netlink_unicast+0x74b/0x8c0 net/netlink/af_netlink.c:1352\n netlink_sendmsg+0x882/0xb90 net/netlink/af_netlink.c:1874\n sock_sendmsg_nosec net/socket.c:716 [inline]\n __sock_sendmsg net/socket.c:728 [inline]\n ____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499\n ___sys_sendmsg+0x21c/0x290 net/socket.c:2553\n __sys_sendmsg net/socket.c:2582 [inline]\n __do_sys_sendmsg net/socket.c:2591 [inline]\n __se_sys_sendmsg+0x19e/0x270 net/socket.c:2589\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7f67b19a24ad\nRSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24ad\nRDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004\nRBP: 00007f67b1a1e01d R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40\n \u003c/TASK\u003e\n\nThe buggy address belongs to the variable:\n wwan_rtnl_policy+0x20/0x40\n\nThe buggy address belongs to the physical page:\npage:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09c\nflags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff)\nraw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 0000000000000000\nraw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner info is not present (never set?)\n\nMemory state around the buggy address:\n ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 00 01 f9 f9\n ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9\n\u003effffffff8b09cb00: 00 00 00 00 05 f9 f9 f9 00 00 00 00 f9 f9 f9 f9\n ^\n ffffffff8b09cb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n==================================================================\n\nAccording to the comment of `nla_parse_nested_deprecated`, use correct size\n`IFLA_WWAN_MAX` here to fix this issue."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: wwan: fix global oob in wwan_rtnl_policy. La variable wwan_rtnl_link_ops asigna un maxtype *mayor* que lleva a una lectura global fuera de los l\u00edmites al analizar los atributos netlink. Exactamente la misma causa del error que el oob corregido en la confirmaci\u00f3n b33fb5b801c6 (\"net: qualcomm: rmnet: fix global oob in rmnet_policy\"). ======================================================================= ERROR: KASAN: global fuera de los l\u00edmites en la librer\u00eda validation_nla/nlattr.c:388 [en l\u00ednea] ERROR: KASAN: global fuera de los l\u00edmites en la librer\u00eda __nla_validate_parse+0x19d7/0x29a0/nlattr.c:603 Lectura de tama\u00f1o 1 en la direcci\u00f3n ffffffff8b09cb60 por la tarea syz.1.66276/323862 CPU: 0 PID: 323862 Comm: syz.1.66276 No contaminado 6.1.70 #1 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 01/04/2014 Seguimiento de llamadas: __dump_stack lib/dump_stack.c:88 [en l\u00ednea] dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [en l\u00ednea] print_report+0x14f/0x750 mm/kasan/report.c:395 kasan_report+0x139/0x170 mm/kasan/report.c:495 validation_nla lib/nlattr.c:388 [en l\u00ednea] __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 [en l\u00ednea] __rtnl_newlink net/core/rtnetlink.c:3514 [en l\u00ednea] 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 [en l\u00ednea] 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 [en l\u00ednea] __sock_sendmsg net/socket.c:728 [en l\u00ednea] ____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499 ___sys_sendmsg+0x21c/0x290 net/socket.c:2553 __sys_sendmsg net/socket.c:2582 [en l\u00ednea] __do_sys_sendmsg net/socket.c:2591 [en l\u00ednea] __se_sys_sendmsg+0x19e/0x270 net/socket.c:2589 do_syscall_x64 arch/x86/entry/common.c:51 [en l\u00ednea] do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f67b19a24ad RSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24ad RDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004 RBP: 00007f67b1a1e01d R08: 000000000000000 R09: 0000000000000000 R10: 000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40 La direcci\u00f3n con errores pertenece a la variable: wwan_rtnl_policy+0x20/0x40 La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: page:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09c flags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 000000000000000 raw: 000000000000000 0000000000000000 00000001ffffffff 0000000000000000 p\u00e1gina volcada porque: kasan: mal acceso detectado la informaci\u00f3n del propietario de la p\u00e1gina no est\u00e1 presente (\u00bfnunca se estableci\u00f3?) Estado de la memoria alrededor de la direcci\u00f3n con errores: ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 01 f9 f9 ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9 \u0026gt;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 =================================================================== Seg\u00fan el comentario de `nla_parse_nested_deprecated`, use el tama\u00f1o correcto `IFLA_WWAN_MAX` aqu\u00ed para solucionar este problema."
}
],
"id": "CVE-2024-50128",
"lastModified": "2024-11-08T19:39:38.027",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2024-11-05T18:15:15.730",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
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],
"url": "https://git.kernel.org/stable/c/47dd5447cab8ce30a847a0337d5341ae4c7476a7"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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},
{
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},
{
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"tags": [
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},
{
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"tags": [
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"url": "https://git.kernel.org/stable/c/c9a0aed51977198df005d0a623090e38e2d77d7b"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"microsoft_vex": {
"current_release_date": "2026-02-21T01:32:39.000Z",
"cve": "CVE-2024-50128",
"id": "msrc_CVE-2024-50128",
"initial_release_date": "2024-11-02T00:00:00.000Z",
"product_status:fixed": "5",
"product_status:known_affected": "5",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "net: wwan: fix global oob in wwan_rtnl_policy",
"url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-50128.json",
"version": "3"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/wwan/wwan_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"status": "affected",
"version": "88b710532e53de2466d1033fb1d5125aabf3215a",
"versionType": "git"
},
{
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"status": "affected",
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"versionType": "git"
},
{
"lessThan": "69076f8435c1c5dae5f814eaf4c361d1f00b22a3",
"status": "affected",
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"versionType": "git"
},
{
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},
{
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"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/wwan/wwan_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.14"
},
{
"lessThan": "5.14",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.170",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.115",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.59",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "53E8194F-DD7E-4112-80DD-3E7EF9172D6D",
"versionEndExcluding": "5.15.170",
"versionStartIncluding": "5.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C08A77A6-E42E-4EFD-B5A1-2BF6CBBB42AE",
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"negate": false,
"operator": "OR"
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]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wwan: fix global oob in wwan_rtnl_policy\n\nThe variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to\na global out-of-bounds read when parsing the netlink attributes. Exactly\nsame bug cause as the oob fixed in commit b33fb5b801c6 (\"net: qualcomm:\nrmnet: fix global oob in rmnet_policy\").\n\n==================================================================\nBUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline]\nBUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\nRead of size 1 at addr ffffffff8b09cb60 by task syz.1.66276/323862\n\nCPU: 0 PID: 323862 Comm: syz.1.66276 Not tainted 6.1.70 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:284 [inline]\n print_report+0x14f/0x750 mm/kasan/report.c:395\n kasan_report+0x139/0x170 mm/kasan/report.c:495\n validate_nla lib/nlattr.c:388 [inline]\n __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\n __nla_parse+0x3c/0x50 lib/nlattr.c:700\n nla_parse_nested_deprecated include/net/netlink.h:1269 [inline]\n __rtnl_newlink net/core/rtnetlink.c:3514 [inline]\n rtnl_newlink+0x7bc/0x1fd0 net/core/rtnetlink.c:3623\n rtnetlink_rcv_msg+0x794/0xef0 net/core/rtnetlink.c:6122\n netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2508\n netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]\n netlink_unicast+0x74b/0x8c0 net/netlink/af_netlink.c:1352\n netlink_sendmsg+0x882/0xb90 net/netlink/af_netlink.c:1874\n sock_sendmsg_nosec net/socket.c:716 [inline]\n __sock_sendmsg net/socket.c:728 [inline]\n ____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499\n ___sys_sendmsg+0x21c/0x290 net/socket.c:2553\n __sys_sendmsg net/socket.c:2582 [inline]\n __do_sys_sendmsg net/socket.c:2591 [inline]\n __se_sys_sendmsg+0x19e/0x270 net/socket.c:2589\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7f67b19a24ad\nRSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24ad\nRDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004\nRBP: 00007f67b1a1e01d R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40\n \u003c/TASK\u003e\n\nThe buggy address belongs to the variable:\n wwan_rtnl_policy+0x20/0x40\n\nThe buggy address belongs to the physical page:\npage:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09c\nflags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff)\nraw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 0000000000000000\nraw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner info is not present (never set?)\n\nMemory state around the buggy address:\n ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 00 01 f9 f9\n ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9\n\u003effffffff8b09cb00: 00 00 00 00 05 f9 f9 f9 00 00 00 00 f9 f9 f9 f9\n ^\n ffffffff8b09cb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n==================================================================\n\nAccording to the comment of `nla_parse_nested_deprecated`, use correct size\n`IFLA_WWAN_MAX` here to fix this issue."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: wwan: fix global oob in wwan_rtnl_policy. La variable wwan_rtnl_link_ops asigna un maxtype *mayor* que lleva a una lectura global fuera de los l\u00edmites al analizar los atributos netlink. Exactamente la misma causa del error que el oob corregido en la confirmaci\u00f3n b33fb5b801c6 (\"net: qualcomm: rmnet: fix global oob in rmnet_policy\"). ======================================================================= ERROR: KASAN: global fuera de los l\u00edmites en la librer\u00eda validation_nla/nlattr.c:388 [en l\u00ednea] ERROR: KASAN: global fuera de los l\u00edmites en la librer\u00eda __nla_validate_parse+0x19d7/0x29a0/nlattr.c:603 Lectura de tama\u00f1o 1 en la direcci\u00f3n ffffffff8b09cb60 por la tarea syz.1.66276/323862 CPU: 0 PID: 323862 Comm: syz.1.66276 No contaminado 6.1.70 #1 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 01/04/2014 Seguimiento de llamadas: __dump_stack lib/dump_stack.c:88 [en l\u00ednea] dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [en l\u00ednea] print_report+0x14f/0x750 mm/kasan/report.c:395 kasan_report+0x139/0x170 mm/kasan/report.c:495 validation_nla lib/nlattr.c:388 [en l\u00ednea] __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 [en l\u00ednea] __rtnl_newlink net/core/rtnetlink.c:3514 [en l\u00ednea] 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 [en l\u00ednea] 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 [en l\u00ednea] __sock_sendmsg net/socket.c:728 [en l\u00ednea] ____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499 ___sys_sendmsg+0x21c/0x290 net/socket.c:2553 __sys_sendmsg net/socket.c:2582 [en l\u00ednea] __do_sys_sendmsg net/socket.c:2591 [en l\u00ednea] __se_sys_sendmsg+0x19e/0x270 net/socket.c:2589 do_syscall_x64 arch/x86/entry/common.c:51 [en l\u00ednea] do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f67b19a24ad RSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24ad RDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004 RBP: 00007f67b1a1e01d R08: 000000000000000 R09: 0000000000000000 R10: 000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40 La direcci\u00f3n con errores pertenece a la variable: wwan_rtnl_policy+0x20/0x40 La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: page:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09c flags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 000000000000000 raw: 000000000000000 0000000000000000 00000001ffffffff 0000000000000000 p\u00e1gina volcada porque: kasan: mal acceso detectado la informaci\u00f3n del propietario de la p\u00e1gina no est\u00e1 presente (\u00bfnunca se estableci\u00f3?) Estado de la memoria alrededor de la direcci\u00f3n con errores: ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 01 f9 f9 ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9 \u0026gt;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 =================================================================== Seg\u00fan el comentario de `nla_parse_nested_deprecated`, use el tama\u00f1o correcto `IFLA_WWAN_MAX` aqu\u00ed para solucionar este problema."
}
],
"id": "CVE-2024-50128",
"lastModified": "2026-08-04T11:21:23.330",
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"redhat_vex": {
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"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: net: wwan: fix global oob in wwan_rtnl_policy",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-50128.json",
"version": "3"
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"product_status:recommended": "721",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-50128",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-50128.json",
"version": "75"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:25:50.239Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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}
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"title": "CVE Program Container"
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"metrics": [
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
}
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{
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}
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"providerMetadata": {
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"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/wwan/wwan_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"status": "affected",
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{
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{
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{
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"status": "affected",
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{
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},
{
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"programFiles": [
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.14"
},
{
"lessThan": "5.14",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.170",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.115",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.59",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.11.*",
"status": "unaffected",
"version": "6.11.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.12",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.170",
"versionStartIncluding": "5.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.115",
"versionStartIncluding": "5.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.59",
"versionStartIncluding": "5.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.11.6",
"versionStartIncluding": "5.14",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12",
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"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wwan: fix global oob in wwan_rtnl_policy\n\nThe variable wwan_rtnl_link_ops assign a *bigger* maxtype which leads to\na global out-of-bounds read when parsing the netlink attributes. Exactly\nsame bug cause as the oob fixed in commit b33fb5b801c6 (\"net: qualcomm:\nrmnet: fix global oob in rmnet_policy\").\n\n==================================================================\nBUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:388 [inline]\nBUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\nRead of size 1 at addr ffffffff8b09cb60 by task syz.1.66276/323862\n\nCPU: 0 PID: 323862 Comm: syz.1.66276 Not tainted 6.1.70 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x177/0x231 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:284 [inline]\n print_report+0x14f/0x750 mm/kasan/report.c:395\n kasan_report+0x139/0x170 mm/kasan/report.c:495\n validate_nla lib/nlattr.c:388 [inline]\n __nla_validate_parse+0x19d7/0x29a0 lib/nlattr.c:603\n __nla_parse+0x3c/0x50 lib/nlattr.c:700\n nla_parse_nested_deprecated include/net/netlink.h:1269 [inline]\n __rtnl_newlink net/core/rtnetlink.c:3514 [inline]\n rtnl_newlink+0x7bc/0x1fd0 net/core/rtnetlink.c:3623\n rtnetlink_rcv_msg+0x794/0xef0 net/core/rtnetlink.c:6122\n netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2508\n netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]\n netlink_unicast+0x74b/0x8c0 net/netlink/af_netlink.c:1352\n netlink_sendmsg+0x882/0xb90 net/netlink/af_netlink.c:1874\n sock_sendmsg_nosec net/socket.c:716 [inline]\n __sock_sendmsg net/socket.c:728 [inline]\n ____sys_sendmsg+0x5cc/0x8f0 net/socket.c:2499\n ___sys_sendmsg+0x21c/0x290 net/socket.c:2553\n __sys_sendmsg net/socket.c:2582 [inline]\n __do_sys_sendmsg net/socket.c:2591 [inline]\n __se_sys_sendmsg+0x19e/0x270 net/socket.c:2589\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x45/0x90 arch/x86/entry/common.c:81\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7f67b19a24ad\nRSP: 002b:00007f67b17febb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f67b1b45f80 RCX: 00007f67b19a24ad\nRDX: 0000000000000000 RSI: 0000000020005e40 RDI: 0000000000000004\nRBP: 00007f67b1a1e01d R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007ffd2513764f R14: 00007ffd251376e0 R15: 00007f67b17fed40\n \u003c/TASK\u003e\n\nThe buggy address belongs to the variable:\n wwan_rtnl_policy+0x20/0x40\n\nThe buggy address belongs to the physical page:\npage:ffffea00002c2700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb09c\nflags: 0xfff00000001000(reserved|node=0|zone=1|lastcpupid=0x7ff)\nraw: 00fff00000001000 ffffea00002c2708 ffffea00002c2708 0000000000000000\nraw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner info is not present (never set?)\n\nMemory state around the buggy address:\n ffffffff8b09ca00: 05 f9 f9 f9 05 f9 f9 f9 00 01 f9 f9 00 01 f9 f9\n ffffffff8b09ca80: 00 00 00 05 f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9\n\u003effffffff8b09cb00: 00 00 00 00 05 f9 f9 f9 00 00 00 00 f9 f9 f9 f9\n ^\n ffffffff8b09cb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n==================================================================\n\nAccording to the comment of `nla_parse_nested_deprecated`, use correct size\n`IFLA_WWAN_MAX` here to fix this issue."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The vulnerability is reached by `sendmsg()` on a local `AF_NETLINK`/`NETLINK_ROUTE` socket carrying an `RTM_NEWLINK` message; no remote or adjacent-network packet reaches this code.\nAC:L - The attacker fully controls the netlink message and simply emits `IFLA_LINKINFO{IFLA_INFO_KIND=\"wwan\", IFLA_INFO_DATA{attr type 2}}`, deterministically hitting `policy[2]` on every attempt with no race or memory-layout luck involved.\nPR:L - `rtnetlink_rcv_msg` gates `RTM_NEWLINK` on `netlink_net_capable(skb, CAP_NET_ADMIN)`, which checks the capability against the network namespace\u0027s owning user namespace, so any unprivileged local user obtains it via `unshare -Urn`.\nUI:N - The attacker triggers the out-of-bounds read entirely from its own process by sending one netlink message; no victim action or cooperating user is needed.\nS:U - The out-of-bounds read and its consequences stay within the kernel\u0027s own security authority; no hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - A full 16-byte `struct nla_policy` beyond the array is read, and its contents are handed back to userspace through `NLMSGERR_ATTR_POLICY`, while the `NLA_REJECT` path dereferences the out-of-bounds `reject_message` pointer and copies the string at that arbitrary kernel address to the caller via `NLMSGERR_ATTR_MSG`.\nI:H - The out-of-bounds entry is consumed as control data: `NLA_VALIDATE_FUNCTION` performs an indirect call through the out-of-bounds `pt-\u003evalidate` pointer and `NLA_NESTED`/`NLA_NESTED_ARRAY` recurse using the out-of-bounds `pt-\u003enested_policy` pointer, giving a control-flow transfer through memory the policy array never owned.\nA:H - `BUG_ON(pt-\u003etype \u003e NLA_TYPE_MAX)` fires whenever the out-of-bounds byte exceeds 21, panicking the kernel from a context that holds `rtnl_lock`, so even a survivable oops permanently deadlocks all network configuration; the wild `reject_message`/`nested_policy` dereferences add further fatal faults."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T11:41:54.188Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/c9a0aed51977198df005d0a623090e38e2d77d7b"
},
{
"url": "https://git.kernel.org/stable/c/9683804e36668f6093fb06e202eed2f188ba437e"
},
{
"url": "https://git.kernel.org/stable/c/69076f8435c1c5dae5f814eaf4c361d1f00b22a3"
},
{
"url": "https://git.kernel.org/stable/c/a3ffce63dcc0c208edd4d196e17baed22ebcb643"
},
{
"url": "https://git.kernel.org/stable/c/47dd5447cab8ce30a847a0337d5341ae4c7476a7"
}
],
"title": "net: wwan: fix global oob in wwan_rtnl_policy",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-50128",
"datePublished": "2024-11-05T17:10:55.044Z",
"dateReserved": "2024-10-21T19:36:19.955Z",
"dateUpdated": "2026-08-05T11:41:54.188Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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