CVE-2023-53545

Description

In the Linux kernel, the following vulnerability has been resolved:drm/amdgpu: unmap and remove csa_va properlyRoot PD BO should be reserved before unmap and removea bo_va from VM otherwise lockdep will complain.v2: check fpriv->csa_va is not null instead of amdgpu_mcbp (christian)[14616.936827] WARNING: CPU: 6 PID: 1711 at drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1762 amdgpu_vm_bo_del+0x399/0x3f0 [amdgpu][14616.937096] Call Trace:[14616.937097] [14616.937102] amdgpu_driver_postclose_kms+0x249/0x2f0 [amdgpu][14616.937187] drm_file_free+0x1d6/0x300 [drm][14616.937207] drm_close_helper.isra.0+0x62/0x70 [drm][14616.937220] drm_release+0x5e/0x100 [drm][14616.937234] __fput+0x9f/0x280[14616.937239] ____fput+0xe/0x20[14616.937241] task_work_run+0x61/0x90[14616.937246] exit_to_user_mode_prepare+0x215/0x220[14616.937251] syscall_exit_to_user_mode+0x2a/0x60[14616.937254] do_syscall_64+0x48/0x90[14616.937257] entry_SYSCALL_64_after_hwframe+0x63/0xcd

Risk Information

Base Score

5.5

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.016

Associated Vulnerability

No records found

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234