Vulnerability Details : CVE-2024-42121
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.
Products affected by CVE-2024-42121
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Exploit prediction scoring system (EPSS) score for CVE-2024-42121
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
References for CVE-2024-42121
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https://git.kernel.org/stable/c/59d99deb330af206a4541db0c4da8f73880fba03
drm/amd/display: Check index msg_id before read or write - kernel/git/stable/linux.git - Linux kernel stable tree
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https://git.kernel.org/stable/c/b5b8837d066cc182ff69fb5629ad32ade5484567
drm/amd/display: Check index msg_id before read or write - kernel/git/stable/linux.git - Linux kernel stable tree
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https://git.kernel.org/stable/c/fbb0701af9734cff13917a4b98b5ee9da2fde48d
drm/amd/display: Check index msg_id before read or write - kernel/git/stable/linux.git - Linux kernel stable tree
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https://git.kernel.org/stable/c/a31ea49dc8064a557565725cf045944307476a6e
drm/amd/display: Check index msg_id before read or write - kernel/git/stable/linux.git - Linux kernel stable tree
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https://git.kernel.org/stable/c/ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4
drm/amd/display: Check index msg_id before read or write - kernel/git/stable/linux.git - Linux kernel stable tree
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https://git.kernel.org/stable/c/9933eca6ada0cd612e19522e7a319bcef464c0eb
drm/amd/display: Check index msg_id before read or write - kernel/git/stable/linux.git - Linux kernel stable tree
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