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CVE-2026-72133— spi: uniphier: Fix completion initialization order before devm_request_irq()

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基金会开源的一个操作系统内核。 Linux kernel 4.19版本存在安全漏洞，该漏洞源于spi: uniphier驱动中completion初始化顺序错误，可能导致未定义行为。

CVSS 8.4 · High EPSS 0.18% · P8

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177< b9fcf0db433d79648ace74bc2b8b88f91e306304 affected
5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177< 82a5746c4c9e94f6f816ec7edea6ddc24417c6a5 affected
5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177< f4bb0a91f7badd6d15ac8d783a1169d9e1e95c17 affected
5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177< 49f6705d80b5e6175d8435d9c72b66bd516a8e89 affected
5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177< 8b5798ce0007874c14611b8ee4ce6c749855260e affected
5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177< d44b828eb551bd59ba9f22457825cc3db3a39fc1 affected
5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177< 077a7bc1c32d3da9670c5e282ea3e5ac8a94be59 affected
5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177< f3ad1c87d8201e54b66bd6072442f0b5d5a308ee affected
… +10 more rows
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I. Basic Information for CVE-2026-72133

Vulnerability Information
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Vulnerability Title
spi: uniphier: Fix completion initialization order before devm_request_irq()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: spi: uniphier: Fix completion initialization order before devm_request_irq() The driver calls devm_request_irq() before initializing the completion used by the interrupt handler. Because the interrupt may occur immediately after devm_request_irq(), the handler may execute before init_completion(). This may result in calling complete() on an uninitialized completion, causing undefined behavior. This has been observed with KASAN. Fix this by initializing the completion before registering the IRQ.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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基金会开源的一个操作系统内核。 Linux kernel 4.19版本存在安全漏洞，该漏洞源于spi: uniphier驱动中completion初始化顺序错误，可能导致未定义行为。
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 5ba155a4d4cc8e4cdd3db6df7d03271a3bd91177 ~ b9fcf0db433d79648ace74bc2b8b88f91e306304 -
Linux Linux 4.19 -

II. Public POCs for CVE-2026-72133

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III. Intelligence Information for CVE-2026-72133

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Patches & Fixes for CVE-2026-72133 (7)

Same Patch Batch · Linux · 2026-08-15 · 845 CVEs total

CVE-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-74280 10.0 CRITICAL crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-72408 10.0 CRITICAL geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-72421 10.0 CRITICAL ipv4: fib: Don't ignore error route in local/main tables.
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-74279 10.0 CRITICAL crypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-72493 9.9 CRITICAL net: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-72381 9.8 CRITICAL ksmbd: fix use-after-free of fp->owner.name in durable handle owner check
CVE-2026-72393 9.8 CRITICAL eth: fbnic: don't cache shinfo across skb realloc
CVE-2026-74401 9.8 CRITICAL dlm: fix add msg handle in send_queue ordered
CVE-2026-74406 9.8 CRITICAL vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive().
CVE-2026-72355 9.8 CRITICAL netfs: Fix barriering when walking subrequest list
CVE-2026-72339 9.8 CRITICAL qede: fix off-by-one in BD ring consumption on build_skb failure
CVE-2026-72211 9.8 CRITICAL ntfs: grow index root value before reparent header update
CVE-2026-72194 9.8 CRITICAL fs/ntfs3: add depth limit to indx_find_buffer to prevent stack overflow
CVE-2026-72351 9.8 CRITICAL gue: validate REMCSUM private option length
CVE-2026-72366 9.8 CRITICAL netfs: Fix netfs_create_write_req() to handle async cache object creation
CVE-2026-72098 9.8 CRITICAL dm-verity: fix buffer overflow in FEC calculation
CVE-2026-72083 9.8 CRITICAL scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE

Showing top 20 of 845 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-72133

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