UBUNTU-CVE-2025-40135
Advisory lineage Upstream: 1 Downstream: 19
Upstream
Published: 12 Nov 2025, 11:15
Last modified:21 Jul 2026, 18:52
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
21 Jul 2026, 18:52
Last Modified
Vulnerability information updated
Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.
Affected Systems
- ubuntu•linux
all | all | all | all | < 6.8.0-136.136 | < 6.17.0-14.14
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | all | all | all | < 6.17.0-1007.7
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
all
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.14
all
- ubuntu•linux-aws-6.17
< 6.17.0-1007.7~24.04.1
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
all
- ubuntu•linux-aws-fips
all
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | all | all | all | < 6.17.0-1008.8
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
all
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.11
all
- ubuntu•linux-azure-6.14
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all | all | all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.14
all
- ubuntu•linux-azure-fde-6.17
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fde-6.8
all
- ubuntu•linux-azure-fips
all
- ubuntu•linux-azure-nvidia
all
- ubuntu•linux-azure-nvidia-6.14
all
- ubuntu•linux-bluefield
all | all | all
- ubuntu•linux-fips
all
- ubuntu•linux-gcp
all | all | all | all | all | < 6.8.0-1064.72 | < 6.17.0-1007.7
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
all
- ubuntu•linux-gcp-5.19
all
Showing first 50 affected entries in server-rendered view.
References (12)
- https://ubuntu.com/security/CVE-2025-40135
- https://www.cve.org/CVERecord?id=CVE-2025-40135
- https://git.kernel.org/linus/9085e56501d93af9f2d7bd16f7fcfacdde47b99c
- https://git.kernel.org/stable/c/9085e56501d93af9f2d7bd16f7fcfacdde47b99c
- https://git.kernel.org/stable/c/f7f9e924f23684b4b23cd9f976cceab24a968e34
- https://ubuntu.com/security/notices/USN-8029-1
- https://ubuntu.com/security/notices/USN-8030-1
- https://ubuntu.com/security/notices/USN-8029-2
- https://ubuntu.com/security/notices/USN-8048-1
- https://ubuntu.com/security/notices/USN-8029-3
- https://ubuntu.com/security/notices/USN-8567-1
- https://ubuntu.com/security/notices/USN-8574-1