CVE-2021-47165 - CVE House
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Status published Medium CVE-2021-47165

drm/meson: fix shutdown crash when component not probed

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: drm/meson: fix shutdown crash when component not probed When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 ... pc : meson_drv_shutdown+0x24/0x50 lr : platform_drv_shutdown+0x20/0x30 ... Call trace: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x30 device_shutdown+0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30 ... Simply check if the priv struct has been allocated before using it.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
8a5160cc8488776ddc48ea045860dab015f47390, 8fbbf2b3849419e31731902d7478b0c934732632, d2100ef32a8cfd024bad94f4fbc5e53d40d2b3da, d4ec1ffbdaa8939a208656e9c1440742c457ef16, fa0c16caf3d73ab4d2e5d6fa2ef2394dbec91791, cef14d5d92f14a6e282c3216c2da63e05f14758a, 4.14.226, 4.19.181, 5.4.106, 5.10.24, 5.11.7, 5.12, 0, 4.14.235, 4.19.193, 5.4.124, 5.10.42, 5.12.9, 5.13

Timeline

Official Publish: March 25th, 2024
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.