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CVE-2025-38430— nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request

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nfsd模块未验证是否为v4复合请求，可能导致未定义行为。

CVSS 9.8 · Critical EPSS 0.56% · P46

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux ed94164398c935a42be7b129a478eb19c598b68a< bf78a2706ce975981eb5167f2d3b609eb5d24c19 affected
ed94164398c935a42be7b129a478eb19c598b68a< b1d0323a09a29f81572c7391e0d80d78724729c9 affected
ed94164398c935a42be7b129a478eb19c598b68a< 425efc6b3292a3c79bfee4a1661cf043dcd9cf2f affected
ed94164398c935a42be7b129a478eb19c598b68a< 64a723b0281ecaa59d31aad73ef8e408a84cb603 affected
ed94164398c935a42be7b129a478eb19c598b68a< e7e943ddd1c6731812357a28e7954ade3a7d8517 affected
ed94164398c935a42be7b129a478eb19c598b68a< 7a75a956692aa64211a9e95781af1ec461642de4 affected
ed94164398c935a42be7b129a478eb19c598b68a< 2c54bd5a380ebf646fb9efbc4ae782ff3a83a5af affected
ed94164398c935a42be7b129a478eb19c598b68a< 1244f0b2c3cecd3f349a877006e67c9492b41807 affected
… +10 more rows
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I. Basic Information for CVE-2025-38430

Vulnerability Information
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Vulnerability Title
nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request If the request being processed is not a v4 compound request, then examining the cstate can have undefined results. This patch adds a check that the rpc procedure being executed (rq_procinfo) is the NFSPROC4_COMPOUND procedure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/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nfsd模块未验证是否为v4复合请求，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 ed94164398c935a42be7b129a478eb19c598b68a ~ bf78a2706ce975981eb5167f2d3b609eb5d24c19 -
Linux Linux 4.8 -

II. Public POCs for CVE-2025-38430

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III. Intelligence Information for CVE-2025-38430

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Patches & Fixes for CVE-2025-38430 (1)

Same Patch Batch · Linux · 2025-07-25 · 114 CVEs total

CVE-2025-38429 10.0 CRITICAL bus: mhi: ep: Update read pointer only after buffer is written
CVE-2025-38411 9.8 CRITICAL netfs: Fix double put of request
CVE-2025-38439 9.8 CRITICAL bnxt_en: Set DMA unmap len correctly for XDP_REDIRECT
CVE-2025-38365 9.1 CRITICAL btrfs: fix a race between renames and directory logging
CVE-2025-38377 8.8 HIGH rose: fix dangling neighbour pointers in rose_rt_device_down()
CVE-2025-38367 8.8 HIGH LoongArch: KVM: Avoid overflow with array index
CVE-2025-38437 8.8 HIGH ksmbd: fix potential use-after-free in oplock/lease break ack
CVE-2025-38375 8.4 HIGH virtio-net: ensure the received length does not exceed allocated size
CVE-2025-38395 8.4 HIGH regulator: gpio: Fix the out-of-bounds access to drvdata::gpiods
CVE-2025-38422 7.8 HIGH net: lan743x: Modify the EEPROM and OTP size for PCI1xxxx devices
CVE-2025-38440 7.8 HIGH net/mlx5e: Fix race between DIM disable and net_dim()
CVE-2025-38434 7.8 HIGH Revert "riscv: Define TASK_SIZE_MAX for __access_ok()"
CVE-2025-38449 7.8 HIGH drm/gem: Acquire references on GEM handles for framebuffers
CVE-2025-38382 7.8 HIGH btrfs: fix iteration of extrefs during log replay
CVE-2025-38412 7.8 HIGH platform/x86: dell-wmi-sysman: Fix WMI data block retrieval in sysfs callbacks
CVE-2025-38447 7.8 HIGH mm/rmap: fix potential out-of-bounds page table access during batched unmap
CVE-2025-38398 7.8 HIGH spi: spi-qpic-snand: reallocate BAM transactions
CVE-2025-38408 7.8 HIGH genirq/irq_sim: Initialize work context pointers properly
CVE-2025-38396 7.8 HIGH fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass
CVE-2025-38386 7.8 HIGH ACPICA: Refuse to evaluate a method if arguments are missing

Showing top 20 of 114 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38430

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