Vulnerability Details : CVE-2021-47348

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.
Published 2024-05-21 14:35:54
Updated 2025-04-02 14:30:39
Source Linux
View at NVD,   CVE.org

Products affected by CVE-2021-47348

Exploit prediction scoring system (EPSS) score for CVE-2021-47348

EPSS FAQ
0.32%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-47348

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.1
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.9
5.2
 134c704f-9b21-4f2e-91b3-4a467353bcc0 2024-07-03

CWE ids for CVE-2021-47348

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

References for CVE-2021-47348

Jump to
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close