Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-77679.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-77679
Upstream
Published
2026-02-14T16:15:57Z
Modified
2026-08-28T17:45:35.992233985Z
Summary
CVE-2026-23169 affecting package kernel for versions less than 6.6.126.1-1
Details

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

mptcp: fix race in mptcppmnlflushaddrs_doit()

syzbot and Eulgyu Kim reported crashes in mptcppmnlgetlocalid() and/or mptcppmnlis_backup()

Root cause is listspliceinit() in mptcppmnlflushaddrs_doit() which is not RCU ready.

listspliceinit_rcu() can not be called here while holding pernet->lock spinlock.

Many thanks to Eulgyu Kim for providing a repro and testing our patches.

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
Fixed
6.6.126.1-1

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-77679.json"