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CVE-2025-39697— NFS: Fix a race when updating an existing write

EPSS 0.01% · P2
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I. Basic Information for CVE-2025-39697

Vulnerability Information
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Vulnerability Title
NFS: Fix a race when updating an existing write
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a race when updating an existing write After nfs_lock_and_join_requests() tests for whether the request is still attached to the mapping, nothing prevents a call to nfs_inode_remove_request() from succeeding until we actually lock the page group. The reason is that whoever called nfs_inode_remove_request() doesn't necessarily have a lock on the page group head. So in order to avoid races, let's take the page group lock earlier in nfs_lock_and_join_requests(), and hold it across the removal of the request in nfs_inode_remove_request().
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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NFS模块在更新现有写入时存在竞争条件。
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 bd37d6fce184836bd5e7cd90ce40116a4fadaf2a ~ 0ff42a32784e0f2cb46a46da8e9f473538c13e1b -
LinuxLinux 4.14 -

II. Public POCs for CVE-2025-39697

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III. Intelligence Information for CVE-2025-39697

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Same Patch Batch · Linux · 2025-09-05 · 60 CVEs total

CVE-2025-39707drm/amdgpu: check if hubbub is NULL in debugfs/amdgpu_dm_capabilities
CVE-2025-39725mm/vmscan: fix hwpoisoned large folio handling in shrink_folio_list
CVE-2025-39722crypto: caam - Prevent crash on suspend with iMX8QM / iMX8ULP
CVE-2025-39721crypto: qat - flush misc workqueue during device shutdown
CVE-2025-39720ksmbd: fix refcount leak causing resource not released
CVE-2025-39723netfs: Fix unbuffered write error handling
CVE-2025-39711media: ivsc: Fix crash at shutdown due to missing mei_cldev_disable() calls
CVE-2025-39710media: venus: Add a check for packet size after reading from shared memory
CVE-2025-39709media: venus: protect against spurious interrupts during probe
CVE-2025-39708media: iris: Fix NULL pointer dereference
CVE-2025-39712media: mt9m114: Fix deadlock in get_frame_interval/set_frame_interval
CVE-2025-39706drm/amdkfd: Destroy KFD debugfs after destroy KFD wq
CVE-2025-39705drm/amd/display: fix a Null pointer dereference vulnerability
CVE-2025-39704LoongArch: KVM: Fix stack protector issue in send_ipi_data()
CVE-2025-39703net, hsr: reject HSR frame if skb can't hold tag
CVE-2025-39702ipv6: sr: Fix MAC comparison to be constant-time
CVE-2025-39701ACPI: pfr_update: Fix the driver update version check
CVE-2025-39700mm/damon/ops-common: ignore migration request to invalid nodes
CVE-2025-39699iommu/riscv: prevent NULL deref in iova_to_phys
CVE-2025-39698io_uring/futex: ensure io_futex_wait() cleans up properly on failure

Showing top 20 of 60 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-39697

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