CVE-2021-47253

Source
https://cve.org/CVERecord?id=CVE-2021-47253
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47253.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-47253
Downstream
Related
Published
2024-05-21T15:15:14.160Z
Modified
2026-03-15T22:43:09.472565Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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 hwinit which allocates memory: dmresume->dmdmubhwinit->dcdmubsrvcreate->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.

References

Affected packages

Git /

Affected ranges

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47253.json"
unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "5.10.45"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "5.11"
            },
            {
                "fixed": "5.12.12"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.13-rc1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.13-rc2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.13-rc3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.13-rc4"
            }
        ]
    }
]