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CVE-2025-40056— vhost: vringh: Fix copy_to_iter return value check

EPSS 0.04% · P13
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I. Basic Information for CVE-2025-40056

Vulnerability Information
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Vulnerability Title
vhost: vringh: Fix copy_to_iter return value check
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: vhost: vringh: Fix copy_to_iter return value check The return value of copy_to_iter can't be negative, check whether the copied length is equal to the requested length instead of checking for negative values.
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，该漏洞源于未正确检查copy_to_iter返回值，可能导致数据复制不完整。
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 309bba39c945ac8ab8083ac05cd6cfe5822968e0 ~ bd71e7e0a612740e4de5524880c7cd40293af5f7 -
LinuxLinux 6.0 -

II. Public POCs for CVE-2025-40056

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III. Intelligence Information for CVE-2025-40056

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Same Patch Batch · Linux · 2025-10-28 · 58 CVEs total

CVE-2025-40064smc: Fix use-after-free in __pnet_find_base_ndev().
CVE-2025-40075tcp_metrics: use dst_dev_net_rcu()
CVE-2025-40078bpf: Explicitly check accesses to bpf_sock_addr
CVE-2025-40079riscv, bpf: Sign extend struct ops return values properly
CVE-2025-40077f2fs: fix to avoid overflow while left shift operation
CVE-2025-40081perf: arm_spe: Prevent overflow in PERF_IDX2OFF()
CVE-2025-40068fs: ntfs3: Fix integer overflow in run_unpack()
CVE-2025-40067fs/ntfs3: reject index allocation if $BITMAP is empty but blocks exist
CVE-2025-40066wifi: mt76: mt7996: Check phy before init msta_link in mt7996_mac_sta_add_links()
CVE-2025-40065RISC-V: KVM: Write hgatp register with valid mode bits
CVE-2025-40069drm/msm: Fix obj leak in VM_BIND error path
CVE-2025-40063crypto: comp - Use same definition of context alloc and free ops
CVE-2025-40062crypto: hisilicon/qm - set NULL to qm->debug.qm_diff_regs
CVE-2025-40061RDMA/rxe: Fix race in do_task() when draining
CVE-2025-40060coresight: trbe: Return NULL pointer for allocation failures
CVE-2025-40058iommu/vt-d: Disallow dirty tracking if incoherent page walk
CVE-2025-40059coresight: Fix incorrect handling for return value of devm_kzalloc
CVE-2025-40057ptp: Add a upper bound on max_vclocks
CVE-2025-40055ocfs2: fix double free in user_cluster_connect()
CVE-2025-40054f2fs: fix UAF issue in f2fs_merge_page_bio()

Showing top 20 of 58 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-40056

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