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
2025-10-28T11:48:41.202Z
Modified
2026-03-20T12:43:09.939955Z
Summary
ipv4: start using dst_dev_rcu()
Details

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

ipv4: start using dstdevrcu()

Change icmpv4xrlimallow(), ip_defrag() to prevent possible UAF.

Change ipmrpreparexmit(), ipmrqueuefwdxmit(), ipmroutput(), ipv4neighlookup() to use lockdep enabled dstdev_rcu().

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40074.json",
    "cna_assigner": "Linux"
}
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
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
6.17.3

Database specific

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