CVE-2025-38123— net: wwan: t7xx: Fix napi rx poll issue
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I. Basic Information for CVE-2025-38123
Vulnerability Information
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Vulnerability Title
net: wwan: t7xx: Fix napi rx poll issue
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: Fix napi rx poll issue When driver handles the napi rx polling requests, the netdev might have been released by the dellink logic triggered by the disconnect operation on user plane. However, in the logic of processing skb in polling, an invalid netdev is still being used, which causes a panic. BUG: kernel NULL pointer dereference, address: 00000000000000f1 Oops: 0000 [#1] PREEMPT SMP NOPTI RIP: 0010:dev_gro_receive+0x3a/0x620 [...] Call Trace: <IRQ> ? __die_body+0x68/0xb0 ? page_fault_oops+0x379/0x3e0 ? exc_page_fault+0x4f/0xa0 ? asm_exc_page_fault+0x22/0x30 ? __pfx_t7xx_ccmni_recv_skb+0x10/0x10 [mtk_t7xx (HASH:1400 7)] ? dev_gro_receive+0x3a/0x620 napi_gro_receive+0xad/0x170 t7xx_ccmni_recv_skb+0x48/0x70 [mtk_t7xx (HASH:1400 7)] t7xx_dpmaif_napi_rx_poll+0x590/0x800 [mtk_t7xx (HASH:1400 7)] net_rx_action+0x103/0x470 irq_exit_rcu+0x13a/0x310 sysvec_apic_timer_interrupt+0x56/0x90 </IRQ>
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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t7xx wwan驱动在napi轮询中使用无效网络设备，可能导致空指针取消引用。
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
II. Public POCs for CVE-2025-38123
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Same Patch Batch · Linux · 2025-07-03 · 78 CVEs total
| CVE-2025-38129 | page_pool: Fix use-after-free in page_pool_recycle_in_ring | |
| CVE-2025-38128 | Bluetooth: MGMT: reject malformed HCI_CMD_SYNC commands | |
| CVE-2025-38113 | ACPI: CPPC: Fix NULL pointer dereference when nosmp is used | |
| CVE-2025-38127 | ice: fix Tx scheduler error handling in XDP callback | |
| CVE-2025-38125 | net: stmmac: make sure that ptp_rate is not 0 before configuring EST | |
| CVE-2025-38126 | net: stmmac: make sure that ptp_rate is not 0 before configuring timestamping | |
| CVE-2025-38130 | drm/connector: only call HDMI audio helper plugged cb if non-null | |
| CVE-2025-38131 | coresight: prevent deactivate active config while enabling the config | |
| CVE-2025-38132 | coresight: holding cscfg_csdev_lock while removing cscfg from csdev | |
| CVE-2025-38133 | iio: adc: ad4851: fix ad4858 chan pointer handling | |
| CVE-2025-38124 | net: fix udp gso skb_segment after pull from frag_list | |
| CVE-2025-38122 | gve: add missing NULL check for gve_alloc_pending_packet() in TX DQO | |
| CVE-2025-38121 | wifi: iwlwifi: mld: avoid panic on init failure | |
| CVE-2025-38119 | scsi: core: ufs: Fix a hang in the error handler | |
| CVE-2025-38120 | netfilter: nf_set_pipapo_avx2: fix initial map fill | |
| CVE-2025-38118 | Bluetooth: MGMT: Fix UAF on mgmt_remove_adv_monitor_complete | |
| CVE-2025-38117 | Bluetooth: MGMT: Protect mgmt_pending list with its own lock | |
| CVE-2025-38115 | net_sched: sch_sfq: fix a potential crash on gso_skb handling | |
| CVE-2025-38116 | wifi: ath12k: fix uaf in ath12k_core_init() | |
| CVE-2025-38114 | e1000: Move cancel_work_sync to avoid deadlock |
Showing top 20 of 78 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. Comments for CVE-2025-38123
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