Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-70025.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-70025
Upstream
Published
2025-11-12T11:15:45Z
Modified
2026-04-01T05:21:41.069080Z
Summary
CVE-2025-40158 affecting package kernel 6.6.126.1-1
Details

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

ipv6: use RCU in ip6_output()

Use RCU in ip6output() in order to use dstdev_rcu() to prevent possible UAF.

We can remove rcureadlock()/rcureadunlock() pairs from ip6finishoutput2().

References

Affected packages

Azure Linux:3 / kernel

Package

Name
kernel
Purl
pkg:rpm/azure-linux/kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
6.6.126.1-1

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-70025.json"