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CVE-2022-49472— net: phy: micrel: Allow probing without .driver_data

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micrel phy驱动中缺少对priv->type的检查，可能导致空指针取消引用。

AI Predicted 3.7 Difficulty: Theoretical EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux e6a423a81da0eb3da755428f4d2df5a9ba13030f< 7dcb404662839a4ed1a9703658fee979eb894ca4 affected
e6a423a81da0eb3da755428f4d2df5a9ba13030f< 91e720b32cba25fa58eaa4c88fe957009cffe9f3 affected
e6a423a81da0eb3da755428f4d2df5a9ba13030f< 1e5fbfc2a6f384e3195446c14bbd3bc298eb88c2 affected
e6a423a81da0eb3da755428f4d2df5a9ba13030f< abb5594ae2ba7b82cce85917cc6337ec5d774837 affected
e6a423a81da0eb3da755428f4d2df5a9ba13030f< 660dfa033ccc9afb032015b6dc76e846bba42cfb affected
e6a423a81da0eb3da755428f4d2df5a9ba13030f< 143878e18001c5a61fcc7ae5c5240323753bb641 affected
e6a423a81da0eb3da755428f4d2df5a9ba13030f< bd219273b4e004a3f853da72e111fc8f81357501 affected
e6a423a81da0eb3da755428f4d2df5a9ba13030f< f2ef6f7539c68c6bd6c32323d8845ee102b7c450 affected
… +10 more rows
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I. Basic Information for CVE-2022-49472

Vulnerability Information
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Vulnerability Title
net: phy: micrel: Allow probing without .driver_data
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Allow probing without .driver_data Currently, if the .probe element is present in the phy_driver structure and the .driver_data is not, a NULL pointer dereference happens. Allow passing .probe without .driver_data by inserting NULL checks for priv->type.
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micrel phy驱动中缺少对priv->type的检查，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

Vendor Product Affected Versions CPE Subscribe
Linux Linux e6a423a81da0eb3da755428f4d2df5a9ba13030f ~ 7dcb404662839a4ed1a9703658fee979eb894ca4 -
Linux Linux 3.19 -

II. Public POCs for CVE-2022-49472

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III. Intelligence Information for CVE-2022-49472

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Patches & Fixes for CVE-2022-49472 (8)

Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total

CVE-2022-49561 9.8 CRITICAL netfilter: conntrack: re-fetch conntrack after insertion
CVE-2022-49149 9.8 CRITICAL rxrpc: Fix call timer start racing with call destruction
CVE-2022-49362 9.8 CRITICAL NFSD: Fix potential use-after-free in nfsd_file_put()
CVE-2022-49201 9.8 CRITICAL ibmvnic: fix race between xmit and reset
CVE-2022-49194 9.8 CRITICAL net: bcmgenet: Use stronger register read/writes to assure ordering
CVE-2022-49093 9.8 CRITICAL skbuff: fix coalescing for page_pool fragment recycling
CVE-2022-49260 9.8 CRITICAL crypto: hisilicon/sec - fix the aead software fallback for engine
CVE-2022-49418 9.8 CRITICAL NFSv4: Fix free of uninitialized nfs4_label on referral lookup.
CVE-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49280 9.8 CRITICAL NFSD: prevent underflow in nfssvc_decode_writeargs()
CVE-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49500 8.8 HIGH wl1251: dynamically allocate memory used for DMA
CVE-2022-49114 8.8 HIGH scsi: libfc: Fix use after free in fc_exch_abts_resp()
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49470 8.8 HIGH Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event
CVE-2022-49471 8.8 HIGH rtw89: cfo: check mac_id to avoid out-of-bounds
CVE-2022-49111 8.8 HIGH Bluetooth: Fix use after free in hci_send_acl
CVE-2022-49519 8.8 HIGH ath10k: skip ath10k_halt during suspend for driver state RESTARTING

Showing top 20 of 706 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49472

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