CVE-2021-47165

drm/meson: fix shutdown crash when component not probed

MEDIUM

5.5

CVSS Score

Published: March 25, 2024 at 09:16 AM UTC

Updated: June 17, 2026 at 04:16 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v ≥ 5.11.74.14.226 ≤ v < 4.14.2354.19.181 ≤ v < 4.19.1935.10.24 ≤ v < 5.10.425.11.7 ≤ v < 5.125.12 ≤ v < 5.12.95.12 ≤ v < 5.135.4.106 ≤ v < 5.4.1244.14.226 4.19.181 5.10.24 5.11.7 5.13 rc1 5.13 rc2 5.13 rc3 5.4.1068a5160cc8488776ddc48ea045860dab015f473908fbbf2b3849419e31731902d7478b0c934732632cef14d5d92f14a6e282c3216c2da63e05f14758ad2100ef32a8cfd024bad94f4fbc5e53d40d2b3dad4ec1ffbdaa8939a208656e9c1440742c457ef16fa0c16caf3d73ab4d2e5d6fa2ef2394dbec91791

Vendor states this is fixed in 4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 (fixed)

Vendor states this is fixed in 7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 (fixed)

Vendor states this is fixed in b4298d33c1fcce511ffe84d8d3de07e220300f9b (fixed)

Vendor states this is fixed in b4b91033a0b11fe9ade58156cd9168f89f4a8c1a (fixed)

Vendor states this is fixed in d66083c0d6f5125a4d982aa177dd71ab4cd3d212 (fixed)

Vendor states this is fixed in e256a0eb43e17209e347409a80805b1659398d68 (fixed)

Vendor states this is fixed in 4.14.235 (unaffected)

Vendor states this is fixed in 4.19.193 (unaffected)

Vendor states this is fixed in 5.10.42 (unaffected)

Vendor states this is fixed in 5.12 (unaffected)

Vendor states this is fixed in 5.12.9 (unaffected)

Vendor states this is fixed in 5.13 (unaffected)