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CVE-2023-53545

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: unmap and remove csa_va properly Root PD BO should be reserved before unmap and remove a bo_va from VM otherwise lo…

Published Oct 4, 2025EPSS 0.17%

Overview

CVE-2023-53545 is a high-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

drm/amdgpu: unmap and remove csa_va properly

Root PD BO should be reserved before unmap and remove

a 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] <TASK>

[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

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/1bc35e637a81dac5f5155e83a277c26708c4d4d7Refgit.kernel.org/stable/c/5daff15cd013422bc6d1efcfe82b586800025384Refgit.kernel.org/stable/c/a3a96bf843c356d1d9b2d7f6d0784b6ee28ca9d0Refgit.kernel.org/stable/c/ae325b245208394279a1dc412c831ebd71befb0d

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53545?

CVE-2023-53545 is a high-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-53545?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53545?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-53545?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53545 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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