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CVE-2026-98710— wifi: iwlegacy: 3945: free EEPROM data on remove

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，以下漏洞已得到修复： wifi: iwlegacy: 3945：在移除时释放 EEPROM 数据 函数调用了 ，后者为 EEPROM 数据分配了内存。在探测失败的处理路径中，会通过 释放该内存分配；但在探测成功后的移除（remove）路径中，并未释放该内存。 因此，当 PCI 设备被移除时，会导致 EEPROM 数据发生内存泄漏。 修复方法是在 函数中，在释放 mac80211 硬件结构之前，先释放 EEPROM 数据。 该问题是通过人工代码审查发现的。

AI Predicted 3.7 Difficulty: Moderate EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1069 · Permission Groups Discovery

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 073d3f5f1b3b6512eb82a3d40c84dedb14dc6f73< ab7bee2cd55f665cb29fa0ace2ec14020e0a452e affected
073d3f5f1b3b6512eb82a3d40c84dedb14dc6f73< cd8f8f45d81aac384311701d7ffe26567af2e783 affected
073d3f5f1b3b6512eb82a3d40c84dedb14dc6f73< 89f9d6186dc7429f38132635526e28549c913c0b affected
073d3f5f1b3b6512eb82a3d40c84dedb14dc6f73< f8ebe286394c0bbb4a6dbacb182a34ab6376922d affected
2.6.27 affected
< 2.6.27 unaffected
6.12.113≤ 6.12.* unaffected
6.18.56≤ 6.18.* unaffected
… +2 more rows
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I. Basic Information for CVE-2026-98710

Vulnerability Information
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Vulnerability Title
wifi: iwlegacy: 3945: free EEPROM data on remove
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlegacy: 3945: free EEPROM data on remove il3945_pci_probe() calls il_eeprom_init(), which allocates memory for the EEPROM data. The probe failure paths release this allocation with il_eeprom_free(), but the remove path does not free it after a successful probe. As a result, the EEPROM data is leaked when the PCI device is removed. Free the EEPROM data in il3945_pci_remove() before releasing the mac80211 hardware structure. This issue was found by manual code inspection.
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 073d3f5f1b3b6512eb82a3d40c84dedb14dc6f73 ~ ab7bee2cd55f665cb29fa0ace2ec14020e0a452e -
Linux Linux 2.6.27 -

II. Public POCs for CVE-2026-98710

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III. Intelligence Information for CVE-2026-98710

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Patches & Fixes for CVE-2026-98710 (4)

Same Patch Batch · Linux · 2026-10-18 · 435 CVEs total

CVE-2026-98720 KVM: nVMX: Force MSR bitmap refresh if runtime eVMCS controls are modified
CVE-2026-98733 Bluetooth: hci_core: Serialize fragmented ISO packet queueing
CVE-2026-98732 Bluetooth: btintel: fix buffer over-read in btintel_hw_error()
CVE-2026-98731 Bluetooth: btintel_pcie: fix plen overflow in btintel_pcie_recv_frame()
CVE-2026-98730 Bluetooth: btintel_pcie: reject oversized TX packets in send_frame()
CVE-2026-98729 x86/mm: Don't apply va_align to hugetlb mappings on AMD F15h
CVE-2026-98728 tpm: fix off-by-four bounds check in tpm2_get_random()
CVE-2026-98727 nvme-multipath: set BLK_FEAT_ZONED only after the zone info is known
CVE-2026-98726 nvme-multipath: fix underflow in ANA log bounds checks
CVE-2026-98725 nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge()
CVE-2026-98724 nvmet: pci-epf: reject too-short SGL segments
CVE-2026-98723 nvmet: copy the hostid into the ctrl before creating PR pc_refs
CVE-2026-98722 mtd: block2mtd: Fix divide error when erase_size is zero
CVE-2026-98721 mtd: rawnand: cadence: Initialize IRQ state before requesting IRQ
CVE-2026-98707 wifi: mac80211: shut down RX BA session timer on teardown
CVE-2026-98712 KVM: arm64: vgic: Take a refcount on IRQs referenced by last_lr_irq
CVE-2026-98711 wifi: cw1200: fix TX padding OOB read leaking heap data to device
CVE-2026-98709 wifi: mac80211: count only matching reservations in reserved switch
CVE-2026-98713 KVM: arm64: Apply the fine-grained UNDEFs without FEAT_FGT
CVE-2026-98708 wifi: mac80211: keep paired old chanctx alive

Showing top 20 of 435 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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