CVE-2025-40074

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Source
https://cve.org/CVERecord?id=CVE-2025-40074
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40074.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-40074
Downstream
Related
Published
2025-10-28T11:48:41Z
Modified
2026-08-28T11:30:30Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
ipv4: start using dst_dev_rcu()
Details

In the Linux kernel, the following vulnerability has been resolved:

ipv4: start using dst_dev_rcu()

Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF.

Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu().

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40074.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36
Fixed
684efb2c86c887685f9aa65e1a21b3df6c1f822d
Fixed
923e0734c386984d45de508528a7a7ad91d791cc
Fixed
6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40074.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.13.0
Fixed
6.12.106
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.17.3

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40074.json"