# CVE-2023-53498: linux: In the Linux kernel, the following vulnerability has been resolved:  drm/amd/display: Fix potential null dereference...

CVE-2023-53498 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-53498, released October 1, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-53498
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0016
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 1, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  drm/amd/display: Fix potential null dereference  The adev->dm.dc pointer can be NULL and dereferenced in amdgpu_dm_fini() without checking.  Add a NULL pointer check before calling dc_dmub_srv_destroy().  Found by Linux Verification Center (linuxtesting.org) with SVACE.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 11.6 (bullseye) | 5.10.247-1 | [DLA-4404-1](https://patchblox.com/security/data/fix/linux/dla-4404-1.md) | Dec 12, 2025 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.37-1 | [DEBIAN-CVE-2023-53498](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53498.md) | Oct 1, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.3.7-1 | [DEBIAN-CVE-2023-53498](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53498.md) | Oct 1, 2025 |
| Linux | linux Debian 14 | 6.3.7-1 | [DEBIAN-CVE-2023-53498](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53498.md) | Oct 1, 2025 |

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