Description
Found Linux Kernel flaw in the i740 driver. The Userspace program could pass any values to the driver through ioctl() interface. The driver doesn't check the value of 'pixclock', so it may cause a divide by zero error.
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | Kernel | Linux kernel 5.18-rc5 |
References
- https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/commit/?id=15cf0b82271b1823fb02ab8c377badba614d95d5Mailing List, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5257Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/commit/?id=15cf0b82271b1823fb02ab8c377badba614d95d5Mailing List, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5257Third Party Advisory
Timeline
- Published
- Sep 1, 2022
- Last modified
- Jun 17, 2026
- NVD status
- Modified