CVE-2025-38556 — Out-of-bounds Read in Linux
Severity
7.1HIGHNVD
OSV7.8OSV3.2
EPSS
0.0%
top 96.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 19
Latest updateApr 13
Description
In the Linux kernel, the following vulnerability has been resolved:
HID: core: Harden s32ton() against conversion to 0 bits
Testing by the syzbot fuzzer showed that the HID core gets a
shift-out-of-bounds exception when it tries to convert a 32-bit
quantity to a 0-bit quantity. Ideally this should never occur, but
there are buggy devices and some might have a report field with size
set to zero; we shouldn't reject the report or the device just because
of that.
Instead, harden the s32ton() rou…
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