CVE-2024-39475
Published: July 6, 2024Last modified: July 6, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: savage: Handle err return when savagefb_check_var failed The commit 04e5eac8f3ab("fbdev: savage: Error out if pixclock equals zero") checks the value of pixclock to avoid divide-by-zero error. However the function savagefb_probe doesn't handle the error return of savagefb_check_var. When pixclock is 0, it will cause divide-by-zero error.
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 | Not affected (6.1.33-r0) |
| Stream | linux-lts | Not affected (6.1.33-r0) |
References
- https://git.kernel.org/stable/c/32f92b0078ebf79dbe4827288e0acb50d89d3d5b
- https://git.kernel.org/stable/c/4b2c67e30b4e1d2ae19dba8b8e8f3b5fd3cf8089
- https://git.kernel.org/stable/c/5f446859bfa46df0ffb34149499f48a2c2d8cd95
- https://git.kernel.org/stable/c/6ad959b6703e2c4c5d7af03b4cfd5ff608036339
- https://git.kernel.org/stable/c/86435f39c18967cdd937d7a49ba539cdea7fb547
- https://git.kernel.org/stable/c/b8385ff814ca4cb7e63789841e6ec2a14c73e1e8
- https://git.kernel.org/stable/c/be754cbd77eaf2932408a4e18532e4945274a5c7
- https://git.kernel.org/stable/c/edaa57480b876e8203b51df7c3d14a51ea6b09e3