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CVE-2025-38725— net: usb: asix_devices: add phy_mask for ax88772 mdio bus

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ax88772驱动未设置phy_mask，可能导致空指针解引用。

AI Predicted 6.5 Difficulty: Easy EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux e532a096be0e5e570b383e71d4560e7f04384e0f< 75947d3200de98a9ded9ad8972e02f1a177097fe affected
e532a096be0e5e570b383e71d4560e7f04384e0f< 59ed6fbdb1bc03316e09493ffde7066f031c7524 affected
e532a096be0e5e570b383e71d4560e7f04384e0f< ccef5ee4adf56472aa26bdd1f821a6d0cd06089a affected
e532a096be0e5e570b383e71d4560e7f04384e0f< ee2cd40b0bb46056949a2319084a729d95389386 affected
e532a096be0e5e570b383e71d4560e7f04384e0f< a754ab53993b1585132e871c5d811167ad3c52ff affected
e532a096be0e5e570b383e71d4560e7f04384e0f< ad1f8313aeec0115f9978bd2d002ef4a8d96c773 affected
e532a096be0e5e570b383e71d4560e7f04384e0f< 4faff70959d51078f9ee8372f8cff0d7045e4114 affected
5.14 affected
… +8 more rows
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I. Basic Information for CVE-2025-38725

Vulnerability Information
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Vulnerability Title
net: usb: asix_devices: add phy_mask for ax88772 mdio bus
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: usb: asix_devices: add phy_mask for ax88772 mdio bus Without setting phy_mask for ax88772 mdio bus, current driver may create at most 32 mdio phy devices with phy address range from 0x00 ~ 0x1f. DLink DUB-E100 H/W Ver B1 is such a device. However, only one main phy device will bind to net phy driver. This is creating issue during system suspend/resume since phy_polling_mode() in phy_state_machine() will directly deference member of phydev->drv for non-main phy devices. Then NULL pointer dereference issue will occur. Due to only external phy or internal phy is necessary, add phy_mask for ax88772 mdio bus to workarnoud the issue.
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
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ax88772驱动未设置phy_mask，可能导致空指针解引用。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux e532a096be0e5e570b383e71d4560e7f04384e0f ~ 75947d3200de98a9ded9ad8972e02f1a177097fe -
Linux Linux 5.14 -

II. Public POCs for CVE-2025-38725

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III. Intelligence Information for CVE-2025-38725

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Same Patch Batch · Linux · 2025-09-04 · 52 CVEs total

CVE-2025-38724 9.8 CRITICAL nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()
CVE-2025-38708 9.8 CRITICAL drbd: add missing kref_get in handle_write_conflicts
CVE-2025-38728 9.1 CRITICAL smb3: fix for slab out of bounds on mount to ksmbd
CVE-2025-38688 8.8 HIGH iommufd: Prevent ALIGN() overflow
CVE-2025-38697 7.8 HIGH jfs: upper bound check of tree index in dbAllocAG
CVE-2025-38714 7.8 HIGH hfsplus: fix slab-out-of-bounds in hfsplus_bnode_read()
CVE-2025-38715 7.8 HIGH hfs: fix slab-out-of-bounds in hfs_bnode_read()
CVE-2025-38717 7.8 HIGH net: kcm: Fix race condition in kcm_unattach()
CVE-2025-38718 7.8 HIGH sctp: linearize cloned gso packets in sctp_rcv
CVE-2025-38685 7.8 HIGH fbdev: Fix vmalloc out-of-bounds write in fast_imageblit
CVE-2025-38710 7.8 HIGH gfs2: Validate i_depth for exhash directories
CVE-2025-38722 7.8 HIGH habanalabs: fix UAF in export_dmabuf()
CVE-2025-38730 7.8 HIGH io_uring/net: commit partial buffers on retry
CVE-2025-38703 7.8 HIGH drm/xe: Make dma-fences compliant with the safe access rules
CVE-2025-38687 7.3 HIGH comedi: fix race between polling and detaching
CVE-2025-38679 7.3 HIGH media: venus: Fix OOB read due to missing payload bound check
CVE-2025-38713 7.1 HIGH hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc()
CVE-2025-38707 7.1 HIGH fs/ntfs3: Add sanity check for file name
CVE-2025-38694 media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()
CVE-2025-38692 exfat: add cluster chain loop check for dir

Showing top 20 of 52 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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