SB20260528124 - Memory leak in Linux kernel amd amdgpu driver
Published: May 28, 2026
Security Bulletin ID
SB20260528124
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory leak (CVE-ID: CVE-2026-45947)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in amdgpu_acpi_enumerate_xcc() when handling an error from amdgpu_acpi_dev_init(). A local user can trigger the affected code path to cause a denial of service.
The issue occurs when amdgpu_acpi_dev_init() returns -ENOMEM.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/18a7bbd11f17a7cd4c42fd5955d3675d68c692df
- https://git.kernel.org/stable/c/7e4b612fe7a960d610c20260c9ee220bddd1b215
- https://git.kernel.org/stable/c/c9be63d565789b56ca7b0197e2cb78a3671f95a8
- https://git.kernel.org/stable/c/d1370ef2ecf7d4df25e3e1e430cd191b1e7f8596
- https://git.kernel.org/stable/c/e87c73a80a12d337cf5f493c0956f6c2c9eafd80