Vulnerabilities > CVE-2024-46814 - Improper Validation of Array Index vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check msg_id before processing transcation [WHY & HOW] HDCP_MESSAGE_ID_INVALID (-1) is not a valid msg_id nor is it a valid array index, and it needs checking before used. This fixes 4 OVERRUN issues reported by Coverity.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Overflow Buffers Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
References
- https://git.kernel.org/stable/c/916083054670060023d3f8a8ace895d710e268f4
- https://git.kernel.org/stable/c/fe63daf7b10253b0faaa60c55d6153cd276927aa
- https://git.kernel.org/stable/c/0147505f08220c89b3a9c90eb608191276e263a8
- https://git.kernel.org/stable/c/cb63090a17d3abb87f132851fa3711281249b7d2
- https://git.kernel.org/stable/c/6590643c5de74098d27933b7d224d5ac065d7755
- https://git.kernel.org/stable/c/fa71face755e27dc44bc296416ebdf2c67163316