DEBIAN-CVE-2025-40158

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2025-40158
Published: 12 Nov 2025, 11:15
Last modified:28 Apr 2026, 20:30

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

12 Nov 2025, 11:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:30
Last Modified
Vulnerability information updated

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_output() Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent possible UAF. We can remove rcu_read_lock()/rcu_read_unlock() pairs from ip6_finish_output2().

Affected Systems

  • debian•linux

    all | all | all | < 6.17.6-1

References (1)