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CVE-2026-46261— spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()

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spi wpcm-fiu驱动在wpcm_fiu_probe函数中platform_get_resource_byname可能返回NULL，导致传递给resource_size时可能造成空指针取消引用。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 9838c182471ee5532824bae7f2669d3539719f78< 9e5cb7e67fbdb8320d68d87db882a92b36f6a1d9 affected
9838c182471ee5532824bae7f2669d3539719f78< 2c538a0b3472e99c892c26f4940da38b7d87f632 affected
9838c182471ee5532824bae7f2669d3539719f78< 0f93a80eb3fd596ddc5730d05e0e8c88e1aa2891 affected
9838c182471ee5532824bae7f2669d3539719f78< cb9b2dc34a9eef0855edb00ae9c9b7f72394281b affected
9838c182471ee5532824bae7f2669d3539719f78< 888a0a802c467bbe34a42167bdf9d7331333440a affected
6.2 affected
< 6.2 unaffected
6.6.128≤ 6.6.* unaffected
… +4 more rows
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I. Basic Information for CVE-2026-46261

Vulnerability Information
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Vulnerability Title
spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe() platform_get_resource_byname() can return NULL, which would cause a crash when passed the pointer to resource_size(). Move the fiu->memory_size assignment after the error check for devm_ioremap_resource() to prevent the potential NULL pointer dereference.
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spi wpcm-fiu驱动在wpcm_fiu_probe函数中platform_get_resource_byname可能返回NULL，导致传递给resource_size时可能造成空指针取消引用。
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 9838c182471ee5532824bae7f2669d3539719f78 ~ 9e5cb7e67fbdb8320d68d87db882a92b36f6a1d9 -
Linux Linux 6.2 -

II. Public POCs for CVE-2026-46261

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III. Intelligence Information for CVE-2026-46261

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Patches & Fixes for CVE-2026-46261 (5)

Same Patch Batch · Linux · 2026-06-03 · 32 CVEs total

CVE-2026-46244 9.1 CRITICAL netfilter: nft_inner: Fix IPv6 inner_thoff desync
CVE-2026-46266 9.1 CRITICAL inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP
CVE-2026-46264 8.8 HIGH drm/xe/pf: Fix sysfs initialization
CVE-2026-46273 8.6 HIGH ibmveth: Disable GSO for packets with small MSS
CVE-2026-46251 8.4 HIGH btrfs: fix block_group_tree dirty_list corruption
CVE-2026-46270 8.4 HIGH power: supply: rt9455: Fix use-after-free in power_supply_changed()
CVE-2026-46263 7.8 HIGH drm/amd/display: Fix out-of-bounds stream encoder index v3
CVE-2026-46260 7.8 HIGH ipv6: Fix out-of-bound access in fib6_add_rt2node().
CVE-2026-46259 7.8 HIGH procfs: fix missing RCU protection when reading real_parent in do_task_stat()
CVE-2026-46271 7.8 HIGH wifi: ath12k: do WoW offloads only on primary link
CVE-2026-46253 7.8 HIGH pstore/ram: fix buffer overflow in persistent_ram_save_old()
CVE-2026-46265 7.5 HIGH RDMA/hns: Fix WQ_MEM_RECLAIM warning
CVE-2026-46250 7.3 HIGH MIPS: Work around LLVM bug when gp is used as global register variable
CVE-2025-71314 drm/panthor: Recover from panthor_gpu_flush_caches() failures
CVE-2026-46245 drm/amd/display: Fix dc_link NULL handling in HPD init
CVE-2025-71313 PCI: endpoint: Add missing NULL check for alloc_workqueue()
CVE-2026-46246 power: supply: pm8916_lbc: Fix use-after-free for extcon in IRQ handler
CVE-2026-46247 clk: qcom: gfx3d: add parent to parent request map
CVE-2026-46248 wifi: ath12k: clear stale link mapping of ahvif->links_map
CVE-2026-46249 octeontx2-af: Fix PF driver crash with kexec kernel booting

Showing top 20 of 32 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-46261

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