CVE-2025-40075
Published: October 29, 2025Last modified: June 24, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: tcp_metrics: use dst_dev_net_rcu() Replace three dst_dev() with a lockdep enabled helper.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Vulnerable (6.1.156-r0) |
| 25 LTS | linux-lts | Fixed (6.12.65-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/07613a95326ebad2d1b88d883cd72546025a4f3e
- https://git.kernel.org/stable/c/23261817e955ebeb91d7c5c667d09fa415eb88b4
- https://git.kernel.org/stable/c/4b89397807eb04986427c4786d065e9442834ad4
- https://git.kernel.org/stable/c/50c127a69cd6285300931853b352a1918cfa180f
- https://git.kernel.org/stable/c/7012bea5622396b37566fbdc059f7c6a6c279d74