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ubuntucveUbuntu.comUB:CVE-2021-47404
HistoryMay 21, 2024 - 12:00 a.m.

CVE-2021-47404

2024-05-2100:00:00
ubuntu.com
ubuntu.com
2
linux kernel
hid betop driver
vulnerability
slab-out-of-bounds write
bug
syzbot
input report
patch

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.1%

In the Linux kernel, the following vulnerability has been resolved: HID:
betop: fix slab-out-of-bounds Write in betop_probe Syzbot reported
slab-out-of-bounds Write bug in hid-betopff driver. The problem is the
driver assumes the device must have an input report but some malicious
devices violate this assumption. So this patch checks hid_device’s input is
non empty before it’s been used.

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.1%