Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: sis: Error out if pixclock equals zero The userspace program could pass any values to the driver through ioctl() interface. If the driver doesn't check the value of pixclock, it may cause divide-by-zero error. In sisfb_check_var(), var->pixclock is used as a divisor to caculate drate before it is checked against zero. Fix this by checking it at the beginning. This is similar to CVE-2022-3061 in i740fb which was fixed by commit 15cf0b8.
References (10)
Scores
CVSS v3
5.5
EPSS
0.0001
EPSS Percentile
0.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-369
Status
published
Products (10)
debian/debian_linux
10.0
linux/Kernel
2.6.12 - 4.19.308linux
linux/Kernel
4.20.0 - 5.4.270linux
linux/Kernel
5.11.0 - 5.15.150linux
linux/Kernel
5.16.0 - 6.1.80linux
linux/Kernel
5.5.0 - 5.10.211linux
linux/Kernel
6.2.0 - 6.6.19linux
linux/Kernel
6.7.0 - 6.7.7linux
linux/linux_kernel
6.8 rc1
linux/linux_kernel
< 4.19.308
Published
Apr 03, 2024
Tracked Since
Feb 18, 2026