CVE-2024-35988
Published: May 21, 2024Last modified: May 21, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: riscv: Fix TASK_SIZE on 64-bit NOMMU On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASK_SIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access routines.
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 (6.1.91-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/04bf2e5f95c1a52e28a7567a507f926efe31c3b6
- https://git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be
- https://git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b
- https://git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948
- https://git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa
- https://git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html