Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-40051— vhost: vringh: Modify the return value check

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，该漏洞源于未正确检查copy_from_iter和copy_to_iter返回值，可能导致数据不一致。

CVSS 7.8 · High EPSS 0.17% · P5

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 309bba39c945ac8ab8083ac05cd6cfe5822968e0< db042925a5ab7a550b710addeadbf6f72e3a8a4b affected
309bba39c945ac8ab8083ac05cd6cfe5822968e0< 78dc7362662fedaa1928fb8e4f27401c8322905d affected
309bba39c945ac8ab8083ac05cd6cfe5822968e0< baa37b1c7e29546f79c39bef0d18c4edc9f39bb1 affected
309bba39c945ac8ab8083ac05cd6cfe5822968e0< cfa0654402c06d086201a9ff167eb95da5844fc3 affected
309bba39c945ac8ab8083ac05cd6cfe5822968e0< 82a8d0fda55b35361ee7f35b54fa2b66d7847d2b affected
6.0 affected
< 6.0 unaffected
6.1.156≤ 6.1.* unaffected
… +4 more rows
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-40051

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
vhost: vringh: Modify the return value check
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: vhost: vringh: Modify the return value check The return value of copy_from_iter and copy_to_iter can't be negative, check whether the copied lengths are equal.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/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，该漏洞源于未正确检查copy_from_iter和copy_to_iter返回值，可能导致数据不一致。
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 309bba39c945ac8ab8083ac05cd6cfe5822968e0 ~ db042925a5ab7a550b710addeadbf6f72e3a8a4b -
Linux Linux 6.0 -

II. Public POCs for CVE-2025-40051

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-40051

请登录查看更多情报信息。

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

CVE-2025-40074 9.8 CRITICAL ipv4: start using dst_dev_rcu()
CVE-2025-40043 8.8 HIGH net: nfc: nci: Add parameter validation for packet data
CVE-2025-40039 8.8 HIGH ksmbd: Fix race condition in RPC handle list access
CVE-2025-40058 8.8 HIGH iommu/vt-d: Disallow dirty tracking if incoherent page walk
CVE-2025-40046 8.6 HIGH io_uring/zcrx: fix overshooting recv limit
CVE-2025-40068 8.4 HIGH fs: ntfs3: Fix integer overflow in run_unpack()
CVE-2025-40075 8.1 HIGH tcp_metrics: use dst_dev_net_rcu()
CVE-2025-40026 7.9 HIGH KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O
CVE-2025-40040 7.8 HIGH mm/ksm: fix flag-dropping behavior in ksm_madvise
CVE-2025-40054 7.8 HIGH f2fs: fix UAF issue in f2fs_merge_page_bio()
CVE-2025-40044 7.8 HIGH fs: udf: fix OOB read in lengthAllocDescs handling
CVE-2025-40045 7.8 HIGH ASoC: codecs: wcd937x: set the comp soundwire port correctly
CVE-2025-40047 7.8 HIGH io_uring/waitid: always prune wait queue entry in io_waitid_wait()
CVE-2025-40025 7.8 HIGH f2fs: fix to do sanity check on node footer for non inode dnode
CVE-2025-40061 7.8 HIGH RDMA/rxe: Fix race in do_task() when draining
CVE-2025-40064 7.8 HIGH smc: Fix use-after-free in __pnet_find_base_ndev().
CVE-2025-40067 7.8 HIGH fs/ntfs3: reject index allocation if $BITMAP is empty but blocks exist
CVE-2025-40069 7.8 HIGH drm/msm: Fix obj leak in VM_BIND error path
CVE-2025-40079 7.8 HIGH riscv, bpf: Sign extend struct ops return values properly
CVE-2025-40081 7.8 HIGH perf: arm_spe: Prevent overflow in PERF_IDX2OFF()

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-40051

No comments yet

Leave a comment