Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%

Buy Us a Coffee

CVE-2024-50128— net: wwan: fix global oob in wwan_rtnl_policy

Quick assessment

Affected

Linux Linux

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于net模块中，wwan_rtnl_policy的全局越界读取问题，由于变量wwan_rtnl_link_ops分配了过大的maxtype，导致解析netlink属性时出现越界。

CVSS 7.8 · High EPSS 0.23% · P13 Updated Aug 05, 2026

Possible ATT&CK Techniques 2 AI

T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application

Affected Version Matrix 12

Vendor	Product	Version Range	Status
Linux	Linux	`88b710532e53de2466d1033fb1d5125aabf3215a< c9a0aed51977198df005d0a623090e38e2d77d7b`	affected
		`88b710532e53de2466d1033fb1d5125aabf3215a< 9683804e36668f6093fb06e202eed2f188ba437e`	affected
		`88b710532e53de2466d1033fb1d5125aabf3215a< 69076f8435c1c5dae5f814eaf4c361d1f00b22a3`	affected
		`88b710532e53de2466d1033fb1d5125aabf3215a< a3ffce63dcc0c208edd4d196e17baed22ebcb643`	affected
		`88b710532e53de2466d1033fb1d5125aabf3215a< 47dd5447cab8ce30a847a0337d5341ae4c7476a7`	affected
		`5.14`	affected
		`< 5.14`	unaffected
		`5.15.170≤ 5.15.*`	unaffected
… +4 more rows

Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2024-50128

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

net: wwan: fix global oob in wwan_rtnl_policy

Source: CVE Program / CVE List V5

Vulnerability Description

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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

N/A

Source: CVE Program / CVE List V5

Vulnerability Title

Linux kernel 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Linux	Linux	88b710532e53de2466d1033fb1d5125aabf3215a ~ c9a0aed51977198df005d0a623090e38e2d77d7b	-
Linux	Linux	5.14	-

II. Public POCs for CVE-2024-50128

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2024-50128

请登录查看更多情报信息。

https://www.cve.org/CVERecord?id=CVE-2024-50128

Same Patch Batch · Linux · 2024-11-05 · 50 CVEs total

CVE-2024-50106	9.8 CRITICAL	nfsd: fix race between laundromat and free_stateid
CVE-2024-50113	8.8 HIGH	firewire: core: fix invalid port index for parent device
CVE-2024-50115	8.4 HIGH	KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory
CVE-2024-50125	8.0 HIGH	Bluetooth: SCO: Fix UAF on sco_sock_timeout
CVE-2024-50124	8.0 HIGH	Bluetooth: ISO: Fix UAF on iso_sock_timeout
CVE-2024-50132	7.8 HIGH	tracing/probes: Fix MAX_TRACE_ARGS limit handling
CVE-2023-52920	7.8 HIGH	bpf: support non-r10 register spill/fill to/from stack in precision tracking
CVE-2024-50091	7.8 HIGH	dm vdo: don't refer to dedupe_context after releasing it
CVE-2024-50101	7.8 HIGH	iommu/vt-d: Fix incorrect pci_for_each_dma_alias() for non-PCI devices
CVE-2024-50114	7.8 HIGH	KVM: arm64: Unregister redistributor for failed vCPU creation
CVE-2024-50127	7.8 HIGH	net: sched: fix use-after-free in taprio_change()
CVE-2024-50126	7.8 HIGH	net: sched: use RCU read-side critical section in taprio_dump()
CVE-2024-50130	7.8 HIGH	netfilter: bpf: must hold reference on net namespace
CVE-2024-50090	7.8 HIGH	drm/xe/oa: Fix overflow in oa batch buffer
CVE-2024-50094	7.5 HIGH	sfc: Don't invoke xdp_do_flush() from netpoll.
CVE-2024-50095	7.5 HIGH	RDMA/mad: Improve handling of timed out WRs of mad agent
CVE-2024-50099	7.3 HIGH	arm64: probes: Remove broken LDR (literal) uprobe support
CVE-2024-50096	7.3 HIGH	nouveau/dmem: Fix vulnerability in migrate_to_ram upon copy error
CVE-2024-50131	7.3 HIGH	tracing: Consider the NULL character when validating the event length
CVE-2024-50117	7.3 HIGH	drm/amd: Guard against bad data for ATIF ACPI method

Showing top 20 of 50 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux

Same vendor: Linux

V. Comments for CVE-2024-50128

No comments yet

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2024-50128— net: wwan: fix global oob in wwan_rtnl_policy

Quick assessment

Possible ATT&CK Techniques 2 AI

Affected Version Matrix 12

I. Basic Information for CVE-2024-50128

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2024-50128

III. Intelligence Information for CVE-2024-50128

Same Patch Batch · Linux · 2024-11-05 · 50 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2024-50128

Leave a comment