CVE-2021-47253
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential memory leak in DMUB hw_init [Why] On resume we perform DMUB hw_init which allocates memory: dm_resume->dm_dmub_hw_init->dc_dmub_srv_create->kzalloc That results in memory leak in suspend/resume scenarios. [How] Allocate memory for the DC wrapper to DMUB only if it was not allocated before. No need to reallocate it on suspend/resume.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 21, 2024
First seenMay 21, 2024
How to fix
Update
- linux linux_kernel5.10.45, 5.12.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.10.45, 5.11 ≤ v < 5.12.12, 5.13 | 5.10.45, 5.12.12 |
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