# CVE-2022-49483: linux: In the Linux kernel, the following vulnerability has been resolved:  drm/msm/disp/dpu1: avoid clearing hw interrupts...

CVE-2022-49483 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49483, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-49483
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 26, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit  If edp modeset init is failed due to panel being not ready and probe defers during drm bind, avoid clearing irqs and dereference hw_intr when hw_intr is null.  BUG: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000  Call trace:  dpu_core_irq_uninstall+0x50/0xb0  dpu_irq_uninstall+0x18/0x24  msm_drm_uninit+0xd8/0x16c  msm_drm_bind+0x580/0x5fc  try_to_bring_up_master+0x168/0x1c0  __component_add+0xb4/0x178  component_add+0x1c/0x28  dp_display_probe+0x38c/0x400  platform_probe+0xb0/0xd0  really_probe+0xcc/0x2c8  __driver_probe_device+0xbc/0xe8  driver_probe_device+0x48/0xf0  __device_attach_driver+0xa0/0xc8  bus_for_each_drv+0x8c/0xd8  __device_attach+0xc4/0x150  device_initial_probe+0x1c/0x28  Changes in V2: - Update commit message and coreect fixes tag.  Patchwork: https://patchwork.freedesktop.org/patch/484430/

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.18.5-1 | [DEBIAN-CVE-2022-49483](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49483.md) | Feb 26, 2025 |
| Linux | linux Debian 13.5 (trixie) | 5.18.5-1 | [DEBIAN-CVE-2022-49483](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49483.md) | Feb 26, 2025 |
| Linux | linux Debian 14 | 5.18.5-1 | [DEBIAN-CVE-2022-49483](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49483.md) | Feb 26, 2025 |

---

Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.