CVE-2022-50867

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: Fix kvzalloc vs state_kcalloc usage adreno_show_object() is a trap! It will re-allocate the pointer it is passed on first call, when the data is ascii85 encoded, using kvmalloc/ kvfree(). Which means the data *passed* to it must be kvmalloc'd, ie. we cannot use the state_kcalloc() helper. This partially reverts commit ec8f1813bf8d ("drm/msm/a6xx: Replace kcalloc() with kvzalloc()"), but adds the missing kvfree() to fix the memory leak that was present previously. And adds a warning comment. Patchwork: https://patchwork.freedesktop.org/patch/507014/

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/4b1bbc0571a5d7ee10f754186dc3d619b9ced5c1
https://git.kernel.org/stable/c/83d18e9d9c0150d98dc24e3642ea93f5e245322c

Configurations

No configuration.

History

No history.

Information

Published : 2025-12-30 13:16

Updated : 2026-08-04 10:18

NVD link : CVE-2022-50867

Mitre link : CVE-2022-50867

CVE.ORG link : CVE-2022-50867

JSON object : View

Products Affected

No product.

CWE

No CWE.

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