9.1

CVE-2021-47348

drm/amd/display: Avoid HDCP over-read and corruption

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.10.51
Linux ≫ Linux Kernel Version >= 5.11 < 5.12.18
Linux ≫ Linux Kernel Version >= 5.13 < 5.13.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.99% 0.578
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.

https://git.kernel.org/stable/c/06888d571b513cbfc0b41949948def6cb81021b2
Patch
https://git.kernel.org/stable/c/3b2b93a485fb7a970bc8b5daef16f4cf579d172f
Patch
https://git.kernel.org/stable/c/44c7c901cb368a9f2493748f213b247b5872639f
Patch
https://git.kernel.org/stable/c/c5b518f4b98dbb2bc31b6a55e6aaa1e0e2948f2e
Patch