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CVE-2026-80632— wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()

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.

在 Linux 内核中，已解决以下漏洞： wifi: mt76: mt7996: 修复 mt7996_init_tx_queues() 中的空指针解引用 当启用 和 ，且 mt76 正确检测到 Airoha NPU SoC 时， 会解引用一个为 NULL 的 WED 指针。 修复方案是：在 中始终传递 WED 指针，以解决该问题。

AI Predicted 6.8 Difficulty: Hard EPSS 0.15% · P5

Possible ATT&CK Techniques 1 AI

T1690.001

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux cd7951f242a7e4114de8f41804d708f5b5079d53< 93f3f9a9e955569ab7c3f02f0486d3aaf2314a56 affected
cd7951f242a7e4114de8f41804d708f5b5079d53< 6794edb55b5f5ef834e03b0b241b1a8b725f82c0 affected
7.1 affected
< 7.1 unaffected
7.1.5≤ 7.1.* unaffected
7.2≤ * unaffected
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I. Basic Information for CVE-2026-80632

Vulnerability Information
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Vulnerability Title
wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues() When MT76_NPU and CONFIG_NET_MEDIATEK_SOC_WED are enabled and mt76 detects properly the Airoha NPU SoC, mt7996_init_tx_queues() will dereference a NULL WED pointer. Fix the issue by always passing the WED pointer from mt7996_dma_init().
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux cd7951f242a7e4114de8f41804d708f5b5079d53 ~ 93f3f9a9e955569ab7c3f02f0486d3aaf2314a56 -
Linux Linux 7.1 -

II. Public POCs for CVE-2026-80632

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III. Intelligence Information for CVE-2026-80632

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Patches & Fixes for CVE-2026-80632 (2)

Same Patch Batch · Linux · 2026-08-28 · 135 CVEs total

CVE-2026-80634 9.8 CRITICAL netfilter: flowtable: avoid num_encaps underflow on bridge VLAN untag
CVE-2026-80694 9.8 CRITICAL net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller
CVE-2026-80681 9.8 CRITICAL vxlan: re-fetch eth header after route_shortcircuit()
CVE-2026-80674 9.8 CRITICAL ntfs: validate resident attribute lists and harden the validator
CVE-2026-80673 9.8 CRITICAL ntfs: bound the look-ahead attribute-list entry in ntfs_external_attr_find()
CVE-2026-80668 9.8 CRITICAL netfilter: nf_conntrack_expect: use conntrack GC to reap expectations
CVE-2026-80630 9.8 CRITICAL net/sched: sch_fq_codel: Do not call qdisc_tree_reduce_backlog during peek before restorin
CVE-2026-80617 9.8 CRITICAL net: airoha: fix foe_check_time allocation size
CVE-2026-80612 9.8 CRITICAL net: lwtunnel: Drop skb metadata before LWT encapsulation
CVE-2026-80714 9.8 CRITICAL ipvs: do not propagate one-packet flag to synced conns
CVE-2026-80609 9.8 CRITICAL qede: fix out-of-bounds check for cqe->len_list[]
CVE-2026-80600 9.8 CRITICAL batman-adv: dat: acquire ARP hw source only after skb realloc
CVE-2026-80693 9.3 CRITICAL idpf: bound interrupt-vector register fill to the allocated array
CVE-2026-80684 9.3 CRITICAL KVM: s390: pci: Fix NULL dereference on AIBV allocation failure
CVE-2026-80671 9.3 CRITICAL perf sched: Fix register_pid() overflow, strcpy, and BUG_ON
CVE-2026-80603 9.1 CRITICAL netfilter: nf_conntrack_irc: fix parse_dcc() off-by-one OOB read
CVE-2026-80670 9.1 CRITICAL perf tools: Use perf_env__get_cpu_topology() in machine__resolve()
CVE-2026-80721 8.8 HIGH Bluetooth: ISO: ensure no dangling hcon references in iso_conn
CVE-2026-80722 8.8 HIGH wifi: mac80211: validate individual TWT params before driver setup
CVE-2026-80724 8.8 HIGH ptp: vmclock: prevent read-only mappings from becoming writable

Showing top 20 of 135 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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