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CVE-2021-47253

drm/amd/display: Fix potential memory leak in DMUB hw_init PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 8c7aea404d55dabc71df792c850aed5536ece2fd before 9e8c2af010463197315fa54a6c17e74988b5259c; affected 8c7aea404d55dabc71df792c850aed5536ece2fd before aa000f828e60ac15d6340f606ec4a673966f5b0b; affected 8c7aea404d55dabc71df792c850aed5536ece2fd before c5699e2d863f58221044efdc3fa712dd32d55cde
Linux / Linuxaffected 5.6; unaffected 0 before 5.6; unaffected 5.10.45 through 5.10.*; unaffected 5.12.12 through 5.12.*; unaffected 5.13 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.