CVE-2023-52691

HighCVSS 7.8/10Last modified Aug 4, 2026

Description

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

drm/amd/pm: fix a double-free in si_dpm_init

When the allocation of adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries fails, amdgpu_free_extended_power_table is called to free some fields of adev. However, when the control flow returns to si_dpm_sw_init, it goes to label dpm_failed and calls si_dpm_fini, which calls amdgpu_free_extended_power_table again and free those fields again. Thus a double-free is triggered.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-415

Affected software

VendorProductVersions
LinuxLinux>= 841686df9f7d2942cfd94d024b8591fa3f74ef7c, < afe9f5b871f86d58ecdc45b217b662227d7890d0; >= 841686df9f7d2942cfd94d024b8591fa3f74ef7c, < 06d95c99d5a4f5accdb79464076efe62e668c706; >= 841686df9f7d2942cfd94d024b8591fa3f74ef7c, < aeed2b4e4a70c7568d4a5eecd6a109713c0dfbf4; >= 841686df9f7d2942cfd94d024b8591fa3f74ef7c, < 2bf47c89bbaca2bae16581ef1b28aaec0ade0334; >= 841686df9f7d2942cfd94d024b8591fa3f74ef7c, < f957a1be647f7fc65926cbf572992ec2747a93f2; >= 841686df9f7d2942cfd94d024b8591fa3f74ef7c, < fb1936cb587262cd539e84b34541abb06e42b2f9; >= 841686df9f7d2942cfd94d024b8591fa3f74ef7c, < ca8e2e251c65e5a712f6025e27bd9b26d16e6f4a; >= 841686df9f7d2942cfd94d024b8591fa3f74ef7c, < ac16667237a82e2597e329eb9bc520d1cf9dff30
LinuxLinux4.9

References

Timeline

Published
May 17, 2024
Last modified
Aug 4, 2026
NVD status
Modified

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CVE-2023-52691: High severity, CVSS 7.8 | Vulnix