CVE-2021-47165
Meson DRM Use-After-Free Null Pointer Dereference 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.
INFO
Published Date :
March 25, 2024, 10:15 a.m.
Last Modified :
Nov. 21, 2024, 6:35 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the affected packages.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47165.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47165 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47165
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47165 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47165 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 03, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *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:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12 from (excluding) 5.12.9 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14.226 from (excluding) 4.14.235 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.19.181 from (excluding) 4.19.193 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4.106 from (excluding) 5.4.124 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10.24 from (excluding) 5.10.42 Added Reference Type CVE: https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68 Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 Added Reference https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 Added Reference https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b Added Reference https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a Added Reference https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212 Added Reference https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Mar. 25, 2024
Action Type Old Value New Value Added 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. Added Reference kernel.org https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 [No types assigned]