CVE-2024-42121 — Improper Validation of Array Index in Linux
Severity
7.8HIGHNVD
OSV5.5
EPSS
0.0%
top 97.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 30
Latest updateDec 12
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check index msg_id before read or write
[WHAT]
msg_id is used as an array index and it cannot be a negative value, and
therefore cannot be equal to MOD_HDCP_MESSAGE_ID_INVALID (-1).
[HOW]
Check whether msg_id is valid before reading and setting.
This fixes 4 OVERRUN issues reported by Coverity.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages6 packages
▶CVEListV5linux/linux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c — b5b8837d066cc182ff69fb5629ad32ade5484567+6