CVE-2025-40135
High
ipv6: use RCU in ip6_xmit()
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.
Exploit probability
0.5%
Published
November 12, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-40135
View original source
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.
05 / REFERENCES
Further evidence
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/9085e56501d93af9f2d7bd16f7fcfacdde47b99c
- https://git.kernel.org/stable/c/bd0905e2122e3680968cd0741966983490bf2ed3
- https://git.kernel.org/stable/c/f0a54d00d2f36de40266f47c27989853e8588656
- https://git.kernel.org/stable/c/f69fec6287565fdeb61f65e700a1184352306943
- https://git.kernel.org/stable/c/f7f9e924f23684b4b23cd9f976cceab24a968e34
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40135.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-40135