CVE-2025-38483 — Out-of-bounds Read in Linux
Severity
7.1HIGHNVD
OSV5.5OSV3.2
EPSS
0.0%
top 94.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 28
Latest updateMar 25
Description
In the Linux kernel, the following vulnerability has been resolved:
comedi: das16m1: Fix bit shift out of bounds
When checking for a supported IRQ number, the following test is used:
/* only irqs 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, and 15 are valid */
if ((1 options[1]) & 0xdcfc) {
However, `it->options[i]` is an unchecked `int` value from userspace, so
the shift amount could be negative or out of bounds. Fix the test by
requiring `it->options[1]` to be within bounds before proceeding with
the…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2
Affected Packages4 packages
▶CVEListV5linux/linux729988507680b2ce934bce61d9ce0ea7b235914c — 539bdff832adac9ea653859fa0b6bc62e743329c+8
Also affects: Debian Linux 11.0