CVE-2026-31417
Published: April 15, 2026Last modified: April 30, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix overflow when accumulating packets Add a check to ensure that `x25_sock.fraglen` does not overflow. The `fraglen` also needs to be resetted when purging `fragment_queue` in `x25_clear_queues()`.
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 (6.1.168-r0) |
| 25 LTS | linux-lts | Fixed (6.12.81-r0) | |
| Stream | linux-lts | Fixed (6.12.85-r0) |
References
- https://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3
- https://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5
- https://git.kernel.org/stable/c/6e568835ea54a3e1d08e310e34f95d434e739477
- https://git.kernel.org/stable/c/798d613afb64b01a203f448fb0f43c37c6afe79d
- https://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9
- https://git.kernel.org/stable/c/96fc16370b0bceb289c7e0479bd0540b81e257aa
- https://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9
- https://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544