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VULNERABILITIES

CVE-2021-47165 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 kernel.orgPatch
https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 kernel.orgPatch
https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b kernel.orgPatch
https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a kernel.orgPatch
https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212 kernel.orgPatch

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 4.14.226, < 4.14.235
>= 4.19.181, < 4.19.193
>= 5.4.106, < 5.4.124
>= 5.10.24, < 5.10.42
>= 5.12, < 5.12.9

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-47165
NVD Published Date:
Mar 25, 2024
NVD Last Modified:
Jun 17, 2026
Source:
kernel.org
CVE-2021-47165 Details - Not Deferred