CVE-2023-52921

drm/amdgpu: fix possible UAF in amdgpu_cs_pass1()

State: Published
Severity: 7.8 High
Published: Nov 19, 2024
Updated: Aug 5, 2026
Reserved: Aug 21, 2024

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Description

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: fix possible UAF in amdgpu_cs_pass1()

Since the gang_size check is outside of chunk parsing loop, we need to reset i before we free the chunk data.

Suggested by Ye Zhang (@VAR10CK) of Baidu Security.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
LinuxLinux	2ebf61f2cfb9a11bc17db30df3e675a4cd7418d3 to before e08e9dd09809b16f8f8cee8c466841b33d24ed96Affected 2ebf61f2cfb9a11bc17db30df3e675a4cd7418d3 to before 90e065677e0362a777b9db97ea21d43a39211399Affected
LinuxLinux	6.2Affected before 6.2Not affected 6.4.11 through 6.4.*Not affected 6.5 and laterNot affected

References

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