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CVE-2026-64166— firmware: arm_ffa: Check for NULL FF-A ID table while driver registration

AI Predicted 4.4 Difficulty: Hard EPSS 0.17% · P7

Possible ATT&CK Techniques 1AI

T1207 · Rogue Domain Controller

Affected Version Matrix 16

VendorProductVersion RangeStatus
LinuxLinux92743071464fca5acbbe812d9a0d88de3eaaad36< f98f131256beaddd51ad468e95d90d857fef12bfaffected
92743071464fca5acbbe812d9a0d88de3eaaad36< bc499d1acddbb75b5b4bce05f5296dd8ef9611fdaffected
92743071464fca5acbbe812d9a0d88de3eaaad36< adfff93d08a2e12ecf2a1eba272d18bc749f13c0affected
92743071464fca5acbbe812d9a0d88de3eaaad36< 34f59211984f66788390e7469f3e99d3796db4a8affected
92743071464fca5acbbe812d9a0d88de3eaaad36< 820245d86ce58898fb48b4fefc77d0cafc02801daffected
92743071464fca5acbbe812d9a0d88de3eaaad36< 198f6c86d508ed562f07dc00276cac6dbb5dd3bfaffected
92743071464fca5acbbe812d9a0d88de3eaaad36< 0a5e695095c557d2380131b613dea4e8d90371beaffected
5.14affected
… +8 more rows
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I. Basic Information for CVE-2026-64166

Vulnerability Information
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Vulnerability Title
firmware: arm_ffa: Check for NULL FF-A ID table while driver registration
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Check for NULL FF-A ID table while driver registration The bus match callback assumes that every FF-A driver provides an id_table and dereferences it unconditionally. Enforce that contract at registration time so a buggy client driver cannot crash the bus during match.
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基金会开源的一款操作系统内核。 Linux kernel 5.14之前版本存在安全漏洞，该漏洞源于arm_ffa驱动注册时未对FF-A ID表进行空指针检查，可能导致空指针取消引用，从而使总线匹配崩溃。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 92743071464fca5acbbe812d9a0d88de3eaaad36 ~ f98f131256beaddd51ad468e95d90d857fef12bf -
LinuxLinux 5.14 -

II. Public POCs for CVE-2026-64166

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III. Intelligence Information for CVE-2026-64166

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Patches & Fixes for CVE-2026-64166 (6)

Same Patch Batch · Linux · 2026-07-19 · 431 CVEs total

CVE-2026-6379510.0 CRITICAL9p: avoid putting oldfid in p9_client_walk() error path
CVE-2026-638009.8 CRITICALpNFS: Fix use-after-free in pnfs_update_layout()
CVE-2026-640559.8 CRITICALnet: ethernet: cortina: Carry over frag counter
CVE-2026-640569.8 CRITICALnet: ethernet: cortina: Make RX SKB per-port
CVE-2026-640619.8 CRITICALnetfs: Fix early put of sink folio in netfs_read_gaps()
CVE-2026-640669.8 CRITICALnetfs: Fix netfs_read_to_pagecache() to pause on subreq failure
CVE-2026-640679.8 CRITICALnetfs: Fix missing barriers when accessing stream->subrequests locklessly
CVE-2026-640689.8 CRITICALnetfs: Fix missing locking around retry adding new subreqs
CVE-2026-640699.8 CRITICALnetfs: Fix cancellation of a DIO and single read subrequests
CVE-2026-638089.8 CRITICALexfat: fix potential use-after-free in exfat_find_dir_entry()
CVE-2026-640899.8 CRITICALbatman-adv: tt: fix negative last_changeset_len
CVE-2026-640919.8 CRITICALbatman-adv: tt: fix TOCTOU race for reported vlans
CVE-2026-533999.8 CRITICALnfsd: release layout stid on setlease failure
CVE-2026-641429.8 CRITICALksmbd: close durable scavenger races against m_fp_list lookups
CVE-2026-641369.8 CRITICALsmb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked()
CVE-2026-641329.8 CRITICALipv6: ioam: refresh hdr pointer before ioam6_event()
CVE-2026-533989.8 CRITICALNFSD: Fix SECINFO_NO_NAME decode error cleanup
CVE-2026-641229.8 CRITICALnet/mlx5e: Fix use-after-free in mlx5e_tx_reporter_timeout_recover
CVE-2026-641029.8 CRITICALRDMA/siw: Reject MPA FPDU length underflow before signed receive math
CVE-2026-641139.8 CRITICALixgbevf: fix use-after-free in VEPA multicast source pruning

Showing top 20 of 431 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-64166

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