CVE-2026-80646
Published: September 3, 2026Last modified: September 3, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in __in6_dev_stats_get() dev_get_by_index_rcu() could return NULL if the original physical device is unregistered. Found by Sashiko.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.182-r0) |
| 25 LTS | linux-lts | Fixed (6.12.103-r0) | |
| Stream | linux-lts | Fixed (6.18.43-r0) |
References
- https://git.kernel.org/stable/c/0db1949084e85a72d174a7dea3259b94fe5a9305
- https://git.kernel.org/stable/c/1a4adfbeb47a212a64539137411f1ca168474d33
- https://git.kernel.org/stable/c/1e3db30a88815bae6e9d5db6f64ac735e615a07e
- https://git.kernel.org/stable/c/507541c2a8eeb76c02bd2511958f73a8cfa3e1bc
- https://git.kernel.org/stable/c/952426a83ca75cea25c09d58944abafaa3ebd242
- https://git.kernel.org/stable/c/a23f2c68c6635e41404f189f8f7ae910738cebdb
- https://git.kernel.org/stable/c/e14db43677946bf2095febd294bb3c13ab375ab7
- https://git.kernel.org/stable/c/fc920c0659cdea5afd8721c1155a51564859e075