CVE-2024-49571
Published: January 13, 2025Last modified: January 13, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg When receiving proposal msg in server, the field iparea_offset and the field ipv6_prefixes_cnt in proposal msg are from the remote client and can not be fully trusted. Especially the field iparea_offset, once exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks iparea_offset and ipv6_prefixes_cnt before using them.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.124-r0) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/47ce46349672a7e0c361bfe39ed0b22e824ef4fb
- https://git.kernel.org/stable/c/62056d1592e63d85e82357ee2ae6a6a294f440b0
- https://git.kernel.org/stable/c/846bada23bfcdeb83621b045ed85dc06c7833ff0
- https://git.kernel.org/stable/c/91a7c27c1444ed4677b83fd5308d2cf03f5f0851
- https://git.kernel.org/stable/c/a29e220d3c8edbf0e1beb0f028878a4a85966556
- https://git.kernel.org/stable/c/f10635268a0a49ee902a3b63b5dbb76f4fed498e