CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
AI Score
Confidence
Low
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid HDCP over-read and corruption Instead of reading the desired 5 bytes of the actual target field, the code was reading 8. This could result in a corrupted value if the trailing 3 bytes were non-zero, so instead use an appropriately sized and zero-initialized bounce buffer, and read only 5 bytes before casting to u64.
git.kernel.org/linus/06888d571b513cbfc0b41949948def6cb81021b2
git.kernel.org/stable/c/06888d571b513cbfc0b41949948def6cb81021b2
git.kernel.org/stable/c/3b2b93a485fb7a970bc8b5daef16f4cf579d172f
git.kernel.org/stable/c/44c7c901cb368a9f2493748f213b247b5872639f
git.kernel.org/stable/c/c5b518f4b98dbb2bc31b6a55e6aaa1e0e2948f2e
ubuntu.com/security/CVE-2021-47348
www.cve.org/CVERecord?id=CVE-2021-47348