CVE-2024-40968
Published: July 16, 2024Last modified: July 16, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: MIPS: Octeon: Add PCIe link status check The standard PCIe configuration read-write interface is used to access the configuration space of the peripheral PCIe devices of the mips processor after the PCIe link surprise down, it can generate kernel panic caused by "Data bus error". So it is necessary to add PCIe link status check for system protection. When the PCIe link is down or in training, assigning a value of 0 to the configuration address can prevent read-write behavior to the configuration space of peripheral PCIe devices, thereby preventing kernel panic.
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 (6.1.97-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/1c33fd17383f48f679186c54df78542106deeaa0
- https://git.kernel.org/stable/c/25998f5613159fe35920dbd484fcac7ea3ad0799
- https://git.kernel.org/stable/c/29b83a64df3b42c88c0338696feb6fdcd7f1f3b7
- https://git.kernel.org/stable/c/38d647d509543e9434b3cc470b914348be271fe9
- https://git.kernel.org/stable/c/64845ac64819683ad5e51b668b2ed56ee3386aee
- https://git.kernel.org/stable/c/6bff05aaa32c2f7e1f6e68e890876642159db419
- https://git.kernel.org/stable/c/6c1b9fe148a4e03bbfa234267ebb89f35285814a
- https://git.kernel.org/stable/c/d996deb80398a90dd3c03590e68dad543da87d62